Core fields reviewed 2026-09-27 Source links and conditions accompany each parameter.
Technical schematicFPGA.io technical schematic for EP4CE6U14I7N. Values summarize the documented fields below; consult their source conditions. This is an abstract diagram, not a product photograph, package drawing or pinout. Parameter sources below ↓
EP4CE6U14I7N is an FPGA in the Altera Cyclone IV E family, supplied in the U14 package. Its reviewed resources include 6,272 LE, 270 Kb of block RAM, 179 I/O for this device/package combination. This ordering code specifies speed grade -7 and I temperature grade. The selected device/package has 0 serial transceiver channels; check this package-level limit before planning serial interfaces. Use the linked manufacturer data sheets for electrical limits, pin assignments and timing. FPGA.io can review the complete part number for chip sourcing or a combined sourcing and PCBA project.
Altera logic elements6,272 LE
Block RAM capacity270 Kb
Altera embedded 18 × 18 multipliers15 18 x 18 embedded multipliers
Core device/package/grade facts checked against official sources. Native resources are not cross-vendor equivalents. Detailed timing, design power and current supply status require project review.
Logic & memory
Parameter
Value
Scope / evidence
Logic cells
Not confirmed
unverifiedConditions
Altera LE count is logic_elements; no conversion to AMD logic cells.
6-input LUTs
Not confirmed
unverifiedConditions
Cyclone IV uses four-input LUT LEs; no LUT6 equivalence.
Block RAM capacity
270 Kb
deviceCYIV-OVERVIEW-2-0 ↗PDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE6 column; Embedded memory (Kbits) rowConditions
Official embedded memory Kbits including parity capacity. 1 Kb=1024 bits; not bytes.
36 Kb block RAM blocks
Not confirmed
unverifiedConditions
Existing field means 36 Kb blocks; M9K count is separate in
DSP slices
Not confirmed
unverifiedConditions
Existing field means DSP slices. Native 18 x 18 embedded multipliers are separate.
Native architecture resources
Parameter
Value
Scope / evidence
Altera logic elements
6272 LE
deviceCYIV-OVERVIEW-2-0 ↗PDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE6 column; Logic elements (LEs) row; PDF p. 22 FPGA Core FabricConditions
Native Altera LE count, each with a four-input LUT and programmable register. Not AMD logic cells.
Altera embedded 18 × 18 multipliers
15 18 x 18 embedded multipliers
deviceCYIV-OVERVIEW-2-0 ↗PDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE6 column; Embedded 18 x 18 multipliers row; PDF p. 22 FPGA Core FabricConditions
One 18 x 18 or two 9 x 9 multipliers per embedded multiplier block; not AMD DSP48 slices.
Altera M9K blocks
30 M9K blocks
derivedCYIV-OVERVIEW-2-0 ↗PDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE6 column; PDF p. 22 FPGA Core FabricConditions
Official embedded-memory Kbits / 9 Kbits per M9K; includes parity capacity.
Package & interfaces
Parameter
Value
Scope / evidence
User I/O in this package
179 I/O
device-packageCYIV-OVERVIEW-2-0 ↗PDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE6 row, U256 columns; User I/O columnConditions
User I/O includes general-purpose I/O, dedicated clock and dual-purpose configuration pins; excludes dedicated configuration pins. See Table 1-1 note 1.
Serial transceivers in this package
0 serial transceiver channels
device-packageCYIV-OVERVIEW-2-0 ↗PDF p. 22 / Volume 1 p. 1-8, High-Speed Transceivers (Cyclone IV GX Devices Only); E package matrix Table 1-3Conditions
High-speed serial transceivers are GX-only. E-family GPIO LVDS/SERDES pairs do not become hard serial channels.
Package code
U14
device-packageCYIV-ORDERING-STANDALONE-2-0 ↗Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering tableConditions
packageCYIV-ORDERING-STANDALONE-2-0 ↗Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering tableConditions
Actual BGA terminal count.
Package body
14 x 14 mm
packageCYIV-OVERVIEW-2-0 ↗PDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE6 row, U256 columns; Size (mm) rowConditions
BGA package size from manufacturer matrix.
Ball pitch
0.8 mm
packageCYIV-OVERVIEW-2-0 ↗PDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE6 row, U256 columns; Pitch (mm) rowConditions
Ball pitch; source package-matrix pitch.
Package terminals / leads (vendor count)
256 pins
packageCYIV-ORDERING-STANDALONE-2-0 ↗Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering tableConditions
partCYIV-ORDERING-STANDALONE-2-0 ↗Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering tableConditions
Source speed grade; retain L because it distinguishes low-voltage grades. Not a universal Fmax.
Junction temperature (Tj)
-40 to +100 °C
partCYIV-DATASHEET-2-1 ↗Combined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For industrial use; grade mapping: standalone overview p. 12, Figure 1-3Conditions
Industrial recommended operating junction-temperature range (TJ), not ambient temperature. This normalized range is ordinary industrial operation, not the maximum temperature under every conditional operating regime. See Conditional temperature operation below when present; the baseline limits apply to ordinary rated operation.
Temperature grade
I
partCYIV-ORDERING-STANDALONE-2-0 ↗Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering tableConditions
Industrial; temperature grade does not independently establish certification. I7 conditional extended operation is recorded separately.
Core voltage conditions
1.15-1.25 V
partCYIV-DATASHEET-2-1 ↗Combined handbook PDF pp. 450-451 / Volume 3 printed pp. 1-4 to 1-5, Table 1-3 VCCINT 1.2-V operation row and note 1 (I7)Conditions
Nominal 1.20 V internal-logic supply for grade I7. Standard-voltage C6/C7/C8/I7/A7 grades supported at 1.2 V.
Maximum application clock
Not confirmed
unverifiedConditions
Application-specific timing not reviewed. Use implementation constraints and timing analysis.
Application power
Not confirmed
unverifiedConditions
Design activity, voltage and temperature dependent; no single device power asserted.
Minimum junction temperature
-40 °C
partCYIV-DATASHEET-2-1 ↗Combined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For industrial use; grade mapping: standalone overview p. 12, Figure 1-3Conditions
Industrial recommended operating junction-temperature range (TJ), not ambient temperature. This normalized range is ordinary industrial operation, not the maximum temperature under every conditional operating regime. See Conditional temperature operation below when present; the baseline limits apply to ordinary rated operation.
Maximum junction temperature
100 °C
partCYIV-DATASHEET-2-1 ↗Combined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For industrial use; grade mapping: standalone overview p. 12, Figure 1-3Conditions
Industrial recommended operating junction-temperature range (TJ), not ambient temperature. This normalized range is ordinary industrial operation, not the maximum temperature under every conditional operating regime. See Conditional temperature operation below when present; the baseline limits apply to ordinary rated operation.
Temperature reference
Tj
partCYIV-DATASHEET-2-1 ↗Combined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For industrial use; grade mapping: standalone overview p. 12, Figure 1-3Conditions
TJ, not TA.
Conditional temperature operation
Historical conditional extended range
part-conditionalALTERA-EXTENDED-TEMPERATURE-SUPPORT ↗Cyclone IV FPGA Extended Industrial Temperature Offerings, EP4CE6 row, base ordering code EP4CE6U14I7; N suffix applicability note above table; timing-analysis and temperature-profile conditions preceding tableConditions
Tj -40 to 125 °C, operating speed -8. Historical manufacturer support table requires extended-range timing analysis with an I7 target and -40/125 C temperature settings; operating speed grade is -8 and nominal supply is 1.2 V. Manufacturer confirmation of acceptable temperature profiles is required. Do not treat -7 at 125 C as unconditional.
Minimum core voltage
1.15 V
partCYIV-DATASHEET-2-1 ↗Combined handbook PDF pp. 450-451 / Volume 3 printed pp. 1-4 to 1-5, Table 1-3 VCCINT 1.2-V operation row and note 1 (I7)Conditions
Grade I7, 1.2-V operation.
Nominal core voltage
1.2 V
partCYIV-DATASHEET-2-1 ↗Combined handbook PDF pp. 450-451 / Volume 3 printed pp. 1-4 to 1-5, Table 1-3 VCCINT 1.2-V operation row and note 1 (I7)Conditions
Grade I7, 1.2-V operation.
Maximum core voltage
1.25 V
partCYIV-DATASHEET-2-1 ↗Combined handbook PDF pp. 450-451 / Volume 3 printed pp. 1-4 to 1-5, Table 1-3 VCCINT 1.2-V operation row and note 1 (I7)Conditions
Grade I7, 1.2-V operation.
Supply & status
Parameter
Value
Scope / evidence
Current lifecycle
Not confirmed
unverifiedConditions
Exact-MPN ordering-table presence does not establish lifecycle status.
Available stock
Not confirmed
unverifiedConditions
No stock observation; manufacturer order code is not inventory availability.
MANUFACTURER REFERENCES
Official documents & PDF datasheets
Use the electrical data sheet together with the device overview and package/pinout information.
Full ordering-number evidence: Ordering Part Number column, data row 1, literal EP4CE6U14I7N.
Manufacturer documents may be revised. Verify the current revision and applicable device/package/grade before releasing a design.
DEVICE & PACKAGE DECISION
Balance the U14 connection count against the small native LE budget
The U14 industrial selection is worth screening for a compact interface controller when its native LE budget is sufficient. The higher-density E22 comparison can have a different connection allowance, so logic growth and package I/O growth must be assessed separately. The F23 row offers another board-scale tradeoff if the interface cannot fit.
Engineering screening guidance using reviewed catalogue evidence. Examples are hypothetical and advisory; validate your actual design and the exact ordering code.
Result: 19 I/O remain in the count-only budget (89.4% allocated).
Planning diagram: assumed I/O allocation 160 I/O assumed allocation / 179 documented package I/O; 19 I/O unallocated. Count-only planning diagram, not a pinout or bank assignment.
89.4% of the sourced package count allocated; 19 I/O unallocated.
Each signal consumes one single-ended user I/O in this example. Dedicated serial lanes are separate. Bank voltage, differential pairing, clocks, configuration use and actual pin allocation can reduce usable capacity. Reserved signals here are an assumed design allowance, not manufacturer-reserved pins.
Result: Allocate at least 16,384 payload bits before adding memory overhead. The current reviewed embedded-memory reference is 270 Kb.
Payload arithmetic only. The source Kb/kb unit is retained; this example does not choose a decimal/binary conversion or claim a percentage fit. Round each buffer to the native memory-block geometry and check port width, depth, ECC/parity, dual-port use and implementation reports.
Public device and ordering comparisons
Compare exact package and grade conditions below. These are screening references; matching names, dimensions or resource counts do not establish pin compatibility or replacement approval.
EP4CE6U14I7N and already-public screening candidates
Native LUT4, LE and logic-cell metrics remain separate. Temperature is not converted to ambient; source notes define the operating basis. A family maximum is never substituted for package I/O or channels. No clock, power or stock figure is inferred.
Sources and conditions: EP4CE6U14I7N
Lifecycle / ordering: Exact-MPN ordering-table presence does not establish lifecycle status.
Package: U14.Cyclone IV FPGA Device Family Overview - standalone chapter · revision CYIV-51001-2.0 · Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table · scope: device-package. Ultra FineLine BGA (UBGA); package-matrix code U256.
Speed grade: -7.Cyclone IV FPGA Device Family Overview - standalone chapter · revision CYIV-51001-2.0 · Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table · scope: part. Source speed grade; retain L because it distinguishes low-voltage grades. Not a universal Fmax.
Grade: I.Cyclone IV FPGA Device Family Overview - standalone chapter · revision CYIV-51001-2.0 · Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table · scope: part. Industrial; temperature grade does not independently establish certification. I7 conditional extended operation is recorded separately.
Operating temperature (see basis/conditions): -40 to +100 °C.Cyclone IV Device Handbook, Volume 3, Chapter 1: Cyclone IV Device Datasheet · revision CYIV-53001-2.1 · Combined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For industrial use; grade mapping: standalone overview p. 12, Figure 1-3 · scope: part. Industrial recommended operating junction-temperature range (TJ), not ambient temperature. This normalized range is ordinary industrial operation, not the maximum temperature under every conditional operating regime. See Conditional temperature operation below when present; the baseline limits apply to ordinary rated operation.
Package user I/O: 179 I/O.Cyclone IV Device Handbook, Volume 1, Chapter 1: Cyclone IV FPGA Device Family Overview · revision CYIV-51001-2.0 · PDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE6 row, U256 columns; User I/O column · scope: device-package. User I/O includes general-purpose I/O, dedicated clock and dual-purpose configuration pins; excludes dedicated configuration pins. See Table 1-1 note 1.
Package dedicated channels: 0 serial transceiver channels.Cyclone IV Device Handbook, Volume 1, Chapter 1: Cyclone IV FPGA Device Family Overview · revision CYIV-51001-2.0 · PDF p. 22 / Volume 1 p. 1-8, High-Speed Transceivers (Cyclone IV GX Devices Only); E package matrix Table 1-3 · scope: device-package. High-speed serial transceivers are GX-only. E-family GPIO LVDS/SERDES pairs do not become hard serial channels.
Logic elements (Altera): 6,272 LE.Cyclone IV Device Handbook, Volume 1, Chapter 1: Cyclone IV FPGA Device Family Overview · revision CYIV-51001-2.0 · PDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE6 column; Logic elements (LEs) row; PDF p. 22 FPGA Core Fabric · scope: device. Native Altera LE count, each with a four-input LUT and programmable register. Not AMD logic cells.
Core rail reference: 1.15-1.25 V.Cyclone IV Device Handbook, Volume 3, Chapter 1: Cyclone IV Device Datasheet · revision CYIV-53001-2.1 · Combined handbook PDF pp. 450-451 / Volume 3 printed pp. 1-4 to 1-5, Table 1-3 VCCINT 1.2-V operation row and note 1 (I7) · scope: part. Nominal 1.20 V internal-logic supply for grade I7. Standard-voltage C6/C7/C8/I7/A7 grades supported at 1.2 V.
Sources and conditions: EP4CE15E22I7N
Package: U14 → E22. Verify the applicable limits and design impact.
Lifecycle / ordering: Exact-MPN ordering-table presence does not establish lifecycle status.
Package: E22.Cyclone IV FPGA Device Family Overview - standalone chapter · revision CYIV-51001-2.0 · Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table · scope: device-package. Enhanced Thin Quad Flat Pack (EQFP); package-matrix code E144.
Speed grade: -7.Cyclone IV FPGA Device Family Overview - standalone chapter · revision CYIV-51001-2.0 · Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table · scope: part. Source speed grade; retain L because it distinguishes low-voltage grades. Not a universal Fmax.
Grade: I.Cyclone IV FPGA Device Family Overview - standalone chapter · revision CYIV-51001-2.0 · Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table · scope: part. Industrial; temperature grade does not independently establish certification. I7 conditional extended operation is recorded separately.
Operating temperature (see basis/conditions): -40 to +100 °C.Cyclone IV Device Handbook, Volume 3, Chapter 1: Cyclone IV Device Datasheet · revision CYIV-53001-2.1 · Combined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For industrial use; grade mapping: standalone overview p. 12, Figure 1-3 · scope: part. Industrial recommended operating junction-temperature range (TJ), not ambient temperature. This normalized range is ordinary industrial operation, not the maximum temperature under every conditional operating regime. See Conditional temperature operation below when present; the baseline limits apply to ordinary rated operation.
Package user I/O: 81 I/O.Cyclone IV Device Handbook, Volume 1, Chapter 1: Cyclone IV FPGA Device Family Overview · revision CYIV-51001-2.0 · PDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE15 row, E144 columns; User I/O column · scope: device-package. User I/O includes general-purpose I/O, dedicated clock and dual-purpose configuration pins; excludes dedicated configuration pins. See Table 1-1 note 1.
Package dedicated channels: 0 serial transceiver channels.Cyclone IV Device Handbook, Volume 1, Chapter 1: Cyclone IV FPGA Device Family Overview · revision CYIV-51001-2.0 · PDF p. 22 / Volume 1 p. 1-8, High-Speed Transceivers (Cyclone IV GX Devices Only); E package matrix Table 1-3 · scope: device-package. High-speed serial transceivers are GX-only. E-family GPIO LVDS/SERDES pairs do not become hard serial channels.
Logic elements (Altera): 15,408 LE.Cyclone IV Device Handbook, Volume 1, Chapter 1: Cyclone IV FPGA Device Family Overview · revision CYIV-51001-2.0 · PDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE15 column; Logic elements (LEs) row; PDF p. 22 FPGA Core Fabric · scope: device. Native Altera LE count, each with a four-input LUT and programmable register. Not AMD logic cells.
Core rail reference: 1.15-1.25 V.Cyclone IV Device Handbook, Volume 3, Chapter 1: Cyclone IV Device Datasheet · revision CYIV-53001-2.1 · Combined handbook PDF pp. 450-451 / Volume 3 printed pp. 1-4 to 1-5, Table 1-3 VCCINT 1.2-V operation row and note 1 (I7) · scope: part. Nominal 1.20 V internal-logic supply for grade I7. Standard-voltage C6/C7/C8/I7/A7 grades supported at 1.2 V.
Sources and conditions: EP4CE15F23I7N
Package: U14 → F23. Verify the applicable limits and design impact.
Lifecycle / ordering: Exact-MPN ordering-table presence does not establish lifecycle status.
Package: F23.Cyclone IV FPGA Device Family Overview - standalone chapter · revision CYIV-51001-2.0 · Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table · scope: device-package. FineLine BGA (FBGA); package-matrix code F484.
Speed grade: -7.Cyclone IV FPGA Device Family Overview - standalone chapter · revision CYIV-51001-2.0 · Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table · scope: part. Source speed grade; retain L because it distinguishes low-voltage grades. Not a universal Fmax.
Grade: I.Cyclone IV FPGA Device Family Overview - standalone chapter · revision CYIV-51001-2.0 · Standalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table · scope: part. Industrial; temperature grade does not independently establish certification. I7 conditional extended operation is recorded separately.
Operating temperature (see basis/conditions): -40 to +100 °C.Cyclone IV Device Handbook, Volume 3, Chapter 1: Cyclone IV Device Datasheet · revision CYIV-53001-2.1 · Combined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For industrial use; grade mapping: standalone overview p. 12, Figure 1-3 · scope: part. Industrial recommended operating junction-temperature range (TJ), not ambient temperature. This normalized range is ordinary industrial operation, not the maximum temperature under every conditional operating regime. See Conditional temperature operation below when present; the baseline limits apply to ordinary rated operation.
Package user I/O: 343 I/O.Cyclone IV Device Handbook, Volume 1, Chapter 1: Cyclone IV FPGA Device Family Overview · revision CYIV-51001-2.0 · PDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE15 row, F484 columns; User I/O column · scope: device-package. User I/O includes general-purpose I/O, dedicated clock and dual-purpose configuration pins; excludes dedicated configuration pins. See Table 1-1 note 1.
Package dedicated channels: 0 serial transceiver channels.Cyclone IV Device Handbook, Volume 1, Chapter 1: Cyclone IV FPGA Device Family Overview · revision CYIV-51001-2.0 · PDF p. 22 / Volume 1 p. 1-8, High-Speed Transceivers (Cyclone IV GX Devices Only); E package matrix Table 1-3 · scope: device-package. High-speed serial transceivers are GX-only. E-family GPIO LVDS/SERDES pairs do not become hard serial channels.
Logic elements (Altera): 15,408 LE.Cyclone IV Device Handbook, Volume 1, Chapter 1: Cyclone IV FPGA Device Family Overview · revision CYIV-51001-2.0 · PDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE15 column; Logic elements (LEs) row; PDF p. 22 FPGA Core Fabric · scope: device. Native Altera LE count, each with a four-input LUT and programmable register. Not AMD logic cells.
Does an EP4CE15 E22 upgrade preserve my U14 interface budget?
No assumption follows from the larger density name. Compare the exact package I/O, native LE and memory rows, then review the footprint, banks, configuration and timing for the selected code.
What does the numerical example establish for EP4CE6U14I7N?
It establishes arithmetic under the explicitly hypothetical inputs shown here. It is not a tool result, synthesis report, timing closure, pin-assignment validation or application qualification. Replace the assumptions with your signal list and memory geometry, then validate in the vendor tools.
For software-heavy control with limited parallel I/O, assess an MCU or processor against the same latency, interface and power requirements. For wide parallel datapaths or custom timing, compare FPGA architectures using a mapped design. For early prototyping, an evaluation board may reduce initial hardware work; verify its exact device, accessible interfaces and production suitability.
Start with this package’s I/O, block RAM and serial channel counts, or enter your actual requirements. Native resource requirements apply only to the selected architecture.
334 full MPNs meet the entered numeric constraints. Showing 6 device representatives, at most two per manufacturer, ordered by smallest excess resources. Temperature and package variants still need selection.
Different family or manufacturer: review native logic/DSP architecture, HDL/IP portability and toolchain.
Package: U14 → FBG484. Verify the applicable limits and design impact.
Temperature grade: I → Commercial (C). Verify the applicable limits and design impact.
Speed grade: -7 → -1. Verify the applicable limits and design impact.
Numeric matches do not establish pin compatibility, protocol support, lifecycle or supply availability.
Numeric screening is not replacement approval.
Logic and DSP mapping, pinout, bank voltages, temperature, timing, protocol support and toolchain remain engineering checks. Serial channel quantity does not verify data rate or protocol support. Cross-brand candidates generally require board and HDL review.
