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Review resource differences, package constraints and the fields that still need confirmation.

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Check pinout, bank voltages, configuration, tool support, timing, thermal design and lifecycle before changing a part. Different vendors’ logic and DSP counts need architecture-specific interpretation.

Parameter / status	EP4CE30F29C7NCyclone IV E	EP4CE15E22C6NCyclone IV E
Logic cellsUnconfirmed data	Not confirmed Conditions Altera LE count is logic_elements; no conversion to AMD logic cells.	Not confirmed Conditions Altera LE count is logic_elements; no conversion to AMD logic cells.
6-input LUTsUnconfirmed data	Not confirmed Conditions Cyclone IV uses four-input LUT LEs; no LUT6 equivalence.	Not confirmed Conditions Cyclone IV uses four-input LUT LEs; no LUT6 equivalence.
Block RAM capacityDifferent	594 KbCYIV-OVERVIEW-2-0 ↗ · devicePDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE30 column; Embedded memory (Kbits) row Conditions Official embedded memory Kbits including parity capacity. 1 Kb=1024 bits; not bytes.	504 KbCYIV-OVERVIEW-2-0 ↗ · devicePDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE15 column; Embedded memory (Kbits) row Conditions Official embedded memory Kbits including parity capacity. 1 Kb=1024 bits; not bytes.
36 Kb block RAM blocksUnconfirmed data	Not confirmed Conditions Existing field means 36 Kb blocks; M9K count is separate in	Not confirmed Conditions Existing field means 36 Kb blocks; M9K count is separate in
DSP slicesUnconfirmed data	Not confirmed Conditions Existing field means DSP slices. Native 18 x 18 embedded multipliers are separate.	Not confirmed Conditions Existing field means DSP slices. Native 18 x 18 embedded multipliers are separate.
Altera logic elementsDifferent	28848 LECYIV-OVERVIEW-2-0 ↗ · devicePDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE30 column; Logic elements (LEs) row; PDF p. 22 FPGA Core Fabric Conditions Native Altera LE count, each with a four-input LUT and programmable register. Not AMD logic cells.	15408 LECYIV-OVERVIEW-2-0 ↗ · devicePDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE15 column; Logic elements (LEs) row; PDF p. 22 FPGA Core Fabric Conditions Native Altera LE count, each with a four-input LUT and programmable register. Not AMD logic cells.
Altera embedded 18 × 18 multipliersDifferent	66 18 x 18 embedded multipliersCYIV-OVERVIEW-2-0 ↗ · devicePDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE30 column; Embedded 18 x 18 multipliers row; PDF p. 22 FPGA Core Fabric Conditions One 18 x 18 or two 9 x 9 multipliers per embedded multiplier block; not AMD DSP48 slices.	56 18 x 18 embedded multipliersCYIV-OVERVIEW-2-0 ↗ · devicePDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE15 column; Embedded 18 x 18 multipliers row; PDF p. 22 FPGA Core Fabric Conditions One 18 x 18 or two 9 x 9 multipliers per embedded multiplier block; not AMD DSP48 slices.
Altera M9K blocksDifferent	66 M9K blocksCYIV-OVERVIEW-2-0 ↗ · derivedPDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE30 column; PDF p. 22 FPGA Core Fabric Conditions Official embedded-memory Kbits / 9 Kbits per M9K; includes parity capacity.	56 M9K blocksCYIV-OVERVIEW-2-0 ↗ · derivedPDF p. 17 / Volume 1 printed p. 1-3, Table 1-1, EP4CE15 column; PDF p. 22 FPGA Core Fabric Conditions Official embedded-memory Kbits / 9 Kbits per M9K; includes parity capacity.
User I/O in this packageDifferent	532 I/OCYIV-OVERVIEW-2-0 ↗ · device-packagePDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE30 row, F780 columns; User I/O column Conditions 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.	81 I/OCYIV-OVERVIEW-2-0 ↗ · device-packagePDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE15 row, E144 columns; User I/O column Conditions 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 packageSame	0 serial transceiver channelsCYIV-OVERVIEW-2-0 ↗ · device-packagePDF p. 22 / Volume 1 p. 1-8, High-Speed Transceivers (Cyclone IV GX Devices Only); E package matrix Table 1-3 Conditions High-speed serial transceivers are GX-only. E-family GPIO LVDS/SERDES pairs do not become hard serial channels.	0 serial transceiver channelsCYIV-OVERVIEW-2-0 ↗ · device-packagePDF p. 22 / Volume 1 p. 1-8, High-Speed Transceivers (Cyclone IV GX Devices Only); E package matrix Table 1-3 Conditions High-speed serial transceivers are GX-only. E-family GPIO LVDS/SERDES pairs do not become hard serial channels.
Package codeDifferent	F29CYIV-ORDERING-STANDALONE-2-0 ↗ · device-packageStandalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table Conditions FineLine BGA (FBGA); package-matrix code F780.	E22CYIV-ORDERING-STANDALONE-2-0 ↗ · device-packageStandalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table Conditions Enhanced Thin Quad Flat Pack (EQFP); package-matrix code E144.
Package ball countUnconfirmed data	780 ballsCYIV-ORDERING-STANDALONE-2-0 ↗ · packageStandalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table Conditions Actual BGA terminal count.	Not applicable Conditions EQFP has leads and an exposed ground pad. Use package_pins; do not call 144 leads balls.
Package bodyUnconfirmed data	29 x 29 mmCYIV-OVERVIEW-2-0 ↗ · packagePDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE30 row, F780 columns; Size (mm) row Conditions BGA package size from manufacturer matrix.	Not confirmed Conditions EQFP matrix lists 22 x 22 mm Size, but molded-body versus lead-inclusive extent has not been resolved with a mechanical drawing. Body dimensions remain null.
Ball pitchDifferent	1 mmCYIV-OVERVIEW-2-0 ↗ · packagePDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE30 row, F780 columns; Pitch (mm) row Conditions Ball pitch; source package-matrix pitch.	0.5 mmCYIV-OVERVIEW-2-0 ↗ · packagePDF p. 19 / Volume 1 printed p. 1-5, Table 1-3, EP4CE15 row, E144 columns; Pitch (mm) row Conditions Lead pitch; source package-matrix pitch.
Package terminals / leads (vendor count)Different	780 pinsCYIV-ORDERING-STANDALONE-2-0 ↗ · packageStandalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table Conditions Manufacturer package pin count. BGA package: pin positions are physical balls.	144 pinsCYIV-ORDERING-STANDALONE-2-0 ↗ · packageStandalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table Conditions Manufacturer package pin count. EQFP144 leads; exposed ground pad is separately documented and not added to this count.
Speed gradeDifferent	-7CYIV-ORDERING-STANDALONE-2-0 ↗ · partStandalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table Conditions Source speed grade; retain L because it distinguishes low-voltage grades. Not a universal Fmax.	-6CYIV-ORDERING-STANDALONE-2-0 ↗ · partStandalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table Conditions Source speed grade; retain L because it distinguishes low-voltage grades. Not a universal Fmax.
Junction temperature (Tj)Same	0 to +85 °CCYIV-DATASHEET-2-1 ↗ · partCombined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For commercial use; grade mapping: standalone overview p. 12, Figure 1-3 Conditions Commercial recommended operating junction-temperature range (TJ), not ambient temperature.	0 to +85 °CCYIV-DATASHEET-2-1 ↗ · partCombined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For commercial use; grade mapping: standalone overview p. 12, Figure 1-3 Conditions Commercial recommended operating junction-temperature range (TJ), not ambient temperature.
Temperature gradeSame	CCYIV-ORDERING-STANDALONE-2-0 ↗ · partStandalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table Conditions Commercial; temperature grade does not independently establish certification. I7 conditional extended operation is recorded separately.	CCYIV-ORDERING-STANDALONE-2-0 ↗ · partStandalone overview PDF p. 12 / printed p. 1-12, Figure 1-3; mapped only after exact MPN existence in ordering table Conditions Commercial; temperature grade does not independently establish certification. I7 conditional extended operation is recorded separately.
Core voltage conditionsSame	1.15-1.25 VCYIV-DATASHEET-2-1 ↗ · partCombined 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 (C7) Conditions Nominal 1.20 V internal-logic supply for grade C7. Standard-voltage C6/C7/C8/I7/A7 grades supported at 1.2 V.	1.15-1.25 VCYIV-DATASHEET-2-1 ↗ · partCombined 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 (C6) Conditions Nominal 1.20 V internal-logic supply for grade C6. Standard-voltage C6/C7/C8/I7/A7 grades supported at 1.2 V.
Maximum application clockUnconfirmed data	Not confirmed Conditions Application-specific timing not reviewed. Use implementation constraints and timing analysis.	Not confirmed Conditions Application-specific timing not reviewed. Use implementation constraints and timing analysis.
Application powerUnconfirmed data	Not confirmed Conditions Design activity, voltage and temperature dependent; no single device power asserted.	Not confirmed Conditions Design activity, voltage and temperature dependent; no single device power asserted.
Minimum junction temperatureSame	0 °CCYIV-DATASHEET-2-1 ↗ · partCombined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For commercial use; grade mapping: standalone overview p. 12, Figure 1-3 Conditions Commercial recommended operating junction-temperature range (TJ), not ambient temperature.	0 °CCYIV-DATASHEET-2-1 ↗ · partCombined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For commercial use; grade mapping: standalone overview p. 12, Figure 1-3 Conditions Commercial recommended operating junction-temperature range (TJ), not ambient temperature.
Maximum junction temperatureSame	85 °CCYIV-DATASHEET-2-1 ↗ · partCombined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For commercial use; grade mapping: standalone overview p. 12, Figure 1-3 Conditions Commercial recommended operating junction-temperature range (TJ), not ambient temperature.	85 °CCYIV-DATASHEET-2-1 ↗ · partCombined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For commercial use; grade mapping: standalone overview p. 12, Figure 1-3 Conditions Commercial recommended operating junction-temperature range (TJ), not ambient temperature.
Temperature referenceSame	TjCYIV-DATASHEET-2-1 ↗ · partCombined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For commercial use; grade mapping: standalone overview p. 12, Figure 1-3 Conditions TJ, not TA.	TjCYIV-DATASHEET-2-1 ↗ · partCombined handbook PDF p. 450 / Volume 3 printed p. 1-4, Table 1-3, TJ, For commercial use; grade mapping: standalone overview p. 12, Figure 1-3 Conditions TJ, not TA.
Conditional temperature operationUnconfirmed data	Not confirmed	Not confirmed
Minimum core voltageSame	1.15 VCYIV-DATASHEET-2-1 ↗ · partCombined 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 (C7) Conditions Grade C7, 1.2-V operation.	1.15 VCYIV-DATASHEET-2-1 ↗ · partCombined 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 (C6) Conditions Grade C6, 1.2-V operation.
Nominal core voltageSame	1.2 VCYIV-DATASHEET-2-1 ↗ · partCombined 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 (C7) Conditions Grade C7, 1.2-V operation.	1.2 VCYIV-DATASHEET-2-1 ↗ · partCombined 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 (C6) Conditions Grade C6, 1.2-V operation.
Maximum core voltageSame	1.25 VCYIV-DATASHEET-2-1 ↗ · partCombined 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 (C7) Conditions Grade C7, 1.2-V operation.	1.25 VCYIV-DATASHEET-2-1 ↗ · partCombined 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 (C6) Conditions Grade C6, 1.2-V operation.
Current lifecycleUnconfirmed data	Not confirmed Conditions Exact-MPN ordering-table presence does not establish lifecycle status.	Not confirmed Conditions Exact-MPN ordering-table presence does not establish lifecycle status.
Available stockUnconfirmed data	Not confirmed Conditions No stock observation; manufacturer order code is not inventory availability.	Not confirmed Conditions No stock observation; manufacturer order code is not inventory availability.