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Parameter / statusLFE5UM-45F-6BG554CECP5LFE5U-12F-6BG256CECP5
Logic cellsUnconfirmed dataNot confirmed
Conditions

No architecture-neutral logic-cell count is established. The vendor's nominal LUT4 quantity is retained with its precision and source in lut4_nominal, not converted into AMD logic cells.

Not confirmed
Conditions

No architecture-neutral logic-cell count is established. The vendor's nominal LUT4 quantity is retained with its precision and source in lut4_nominal, not converted into AMD logic cells.

6-input LUTsUnconfirmed dataNot confirmed
Conditions

ECP5 uses LUT4 primitives. Wider logic functions can combine LUT4s, but that is not a source-defined native LUT6 count.

Not confirmed
Conditions

ECP5 uses LUT4 primitives. Wider logic functions can combine LUT4s, but that is not a source-defined native LUT6 count.

Block RAM capacityDifferent1944 KbLATTICE_ECP5_DS_02012_3_4 ↗ · devicep. 12, Table 1.1, LFE5UM-45 device column, Embedded Memory (kb) row
Conditions

Source reports embedded memory in kb (kilobits), excluding the separate Distributed RAM Bits row; each EBR is 18 kb.

576 KbLATTICE_ECP5_DS_02012_3_4 ↗ · devicep. 12, Table 1.1, LFE5U-12 device column, Embedded Memory (kb) row
Conditions

Source reports embedded memory in kb (kilobits), excluding the separate Distributed RAM Bits row; each EBR is 18 kb.

36 Kb block RAM blocksUnconfirmed dataNot confirmed
Conditions

The generic field means 36 Kb blocks. ECP5 sysMEM EBR blocks are 18 Kb; sysmem_18kb_blocks retains their physical granularity. No artificial 36 Kb block count is supplied.

Not confirmed
Conditions

The generic field means 36 Kb blocks. ECP5 sysMEM EBR blocks are 18 Kb; sysmem_18kb_blocks retains their physical granularity. No artificial 36 Kb block count is supplied.

DSP slicesUnconfirmed dataNot confirmed
Conditions

The generic application field denotes DSP slices. The directly printed native count is 18 x 18 multipliers, retained in embedded_18x18_multipliers; separately derived sysDSP slice/block counts retain their own native definitions.

Not confirmed
Conditions

The generic application field denotes DSP slices. The directly printed native count is 18 x 18 multipliers, retained in embedded_18x18_multipliers; separately derived sysDSP slice/block counts retain their own native definitions.

Lattice LUT4s (nominal)Different44000 LUT4 (nominal)LATTICE_ECP5_DS_02012_3_4 ↗ · derivedp. 12, Table 1.1, LFE5UM-45 device column, LUTs (k) row; p. 16 section 2.2.1 and Table 2.1
Conditions

Manufacturer reports 44 k LUTs in Table 1.1, normalized as k x 1000 for the numeric field. Native primitive is LUT4 (p. 16). This is a nominal vendor figure, not a verified exact physical LUT count or an AMD logic-cell equivalent; do not use density code 45F as the count.

12000 LUT4 (nominal)LATTICE_ECP5_DS_02012_3_4 ↗ · derivedp. 12, Table 1.1, LFE5U-12 device column, LUTs (k) row; p. 16 section 2.2.1 and Table 2.1
Conditions

Manufacturer reports 12 k LUTs in Table 1.1, normalized as k x 1000 for the numeric field. Native primitive is LUT4 (p. 16). This is a nominal vendor figure, not a verified exact physical LUT count or an AMD logic-cell equivalent; do not use density code 12F as the count.

Lattice 18 × 18 multipliersDifferent72 18 x 18 multipliersLATTICE_ECP5_DS_02012_3_4 ↗ · devicep. 12, Table 1.1, LFE5UM-45 device column, 18 x 18 Multipliers row; p. 29 section 2.9.2; p. 33 Table 2.7
Conditions

Directly printed multiplier count. One sysDSP slice supports two 18 x 18 multipliers (or four 9 x 9); one physical sysDSP block contains two slices (TN-02205-1.3 p. 6). This number is not a DSP-slice/block count and is not equivalent to AMD DSP48E1.

28 18 x 18 multipliersLATTICE_ECP5_DS_02012_3_4 ↗ · devicep. 12, Table 1.1, LFE5U-12 device column, 18 x 18 Multipliers row; p. 29 section 2.9.2; p. 33 Table 2.7
Conditions

Directly printed multiplier count. One sysDSP slice supports two 18 x 18 multipliers (or four 9 x 9); one physical sysDSP block contains two slices (TN-02205-1.3 p. 6). This number is not a DSP-slice/block count and is not equivalent to AMD DSP48E1.

Lattice 18 Kb sysMEM blocksDifferent108 18 Kb sysMEM EBR blocksLATTICE_ECP5_DS_02012_3_4 ↗ · devicep. 12, Table 1.1, LFE5UM-45 device column, sysMEM Blocks (18 kb) row
Conditions

Native block granularity; keep separate from app's 36 Kb block field.

32 18 Kb sysMEM EBR blocksLATTICE_ECP5_DS_02012_3_4 ↗ · devicep. 12, Table 1.1, LFE5U-12 device column, sysMEM Blocks (18 kb) row
Conditions

Native block granularity; keep separate from app's 36 Kb block field.

Lattice sysDSP slicesDifferent36 sysDSP slicesLATTICE_ECP5_DS_02012_3_4 ↗ · derivedp. 12, Table 1.1, LFE5UM-45 device column, 18 x 18 Multipliers row; p. 29 section 2.9.2; p. 33 Table 2.7
Conditions

Derived as multiplier count / 2. A slice has two 18 x 18 multipliers; this is distinct from logic/PFU slices.

14 sysDSP slicesLATTICE_ECP5_DS_02012_3_4 ↗ · derivedp. 12, Table 1.1, LFE5U-12 device column, 18 x 18 Multipliers row; p. 29 section 2.9.2; p. 33 Table 2.7
Conditions

Derived as multiplier count / 2. A slice has two 18 x 18 multipliers; this is distinct from logic/PFU slices.

Lattice sysDSP blocksDifferent18 sysDSP blocksLATTICE_ECP5_DSP_TN_02205_1_3 ↗ · derivedp. 6, section 2 and Figure 2.1; count input from DS-02012-3.4 p. 12 Table 1.1
Conditions

Derived as DS-02012 multiplier count / 4: two 18-bit multipliers per slice, two slices per block. A DSP block is not a DSP slice.

7 sysDSP blocksLATTICE_ECP5_DSP_TN_02205_1_3 ↗ · derivedp. 6, section 2 and Figure 2.1; count input from DS-02012-3.4 p. 12 Table 1.1
Conditions

Derived as DS-02012 multiplier count / 4: two 18-bit multipliers per slice, two slices per block. A DSP block is not a DSP slice.

Lattice distributed RAMDifferent351 KbLATTICE_ECP5_DS_02012_3_4 ↗ · devicep. 12, Table 1.1, LFE5UM-45 device column, Distributed RAM Bits (kb) row
Conditions

Separate from EBR capacity; do not add to bram without changing that field's definition.

97 KbLATTICE_ECP5_DS_02012_3_4 ↗ · devicep. 12, Table 1.1, LFE5U-12 device column, Distributed RAM Bits (kb) row
Conditions

Separate from EBR capacity; do not add to bram without changing that field's definition.

User I/O in this packageDifferent245 I/OLATTICE_ECP5_DS_02012_3_4 ↗ · device-packagep. 96, section 4.3.1 LFE5UM/LFE5UM5G, LFE5UM-45 / 554 caBGA column, Total Single-Ended User I/O row; Table 1.1 pp. 12-13
Conditions

Package-specific single-ended user I/O total, excluding dedicated SerDes channels. General-purpose I/O totals do not equal total package terminals.

197 I/OLATTICE_ECP5_DS_02012_3_4 ↗ · device-packagep. 98, section 4.3.2 LFE5U, LFE5U-12 / 256 caBGA column, Total Single-Ended User I/O row; Table 1.1 pp. 12-13
Conditions

Package-specific single-ended user I/O total, excluding dedicated SerDes channels. General-purpose I/O totals do not equal total package terminals.

Serial transceivers in this packageDifferent4 SerDes channelsLATTICE_ECP5_DS_02012_3_4 ↗ · device-packagep. 13, Table 1.1, LFE5UM-45 column / 554 caBGA package row
Conditions

The package-specific SerDes Channels/I/O Count cell gives exposed channels. Table 2.14 counts duals (two channels per dual); the pin-summary SerDes row counts pins, not channels.

0 SerDes channelsLATTICE_ECP5_DS_02012_3_4 ↗ · device-packagep. 12, Table 1.1, LFE5U-12 column / 256 caBGA package row
Conditions

The package-specific SerDes Channels/I/O Count cell gives exposed channels. Table 2.14 counts duals (two channels per dual); the pin-summary SerDes row counts pins, not channels.

Package codeDifferentBG554LATTICE_ECP5_DS_02012_3_4 ↗ · MPN-packagep. 99 section 5.1 package legend; p. 101, section 5.2.1 Commercial, table data row 21 on this page, Part number column
Conditions

BG554 is explicitly defined as 554-ball lead-free caBGA. The full MPN is independently established by the literal ordering row.

BG256LATTICE_ECP5_DS_02012_3_4 ↗ · MPN-packagep. 99 section 5.1 package legend; p. 100, section 5.2.1 Commercial, table data row 4 on this page, Part number column
Conditions

BG256 is explicitly defined as 256-ball lead-free caBGA. The full MPN is independently established by the literal ordering row.

Package ball countDifferent554 ballsLATTICE_ECP5_DS_02012_3_4 ↗ · device-packagep. 97, section 4.3.1 LFE5UM/LFE5UM5G, LFE5UM-45 / 554 caBGA column, Total Balls row; p. 101, section 5.2.1 Commercial, table data row 21 on this page, Pins and Package columns
Conditions

Actual ball count explicitly printed in the pin-summary table and selected literal ordering row, independently checked against the package-drawing title; not inferred from suffix digits.

256 ballsLATTICE_ECP5_DS_02012_3_4 ↗ · device-packagep. 98, section 4.3.2 LFE5U, LFE5U-12 / 256 caBGA column, Total Balls row; p. 100, section 5.2.1 Commercial, table data row 4 on this page, Pins and Package columns
Conditions

Actual ball count explicitly printed in the pin-summary table and selected literal ordering row, independently checked against the package-drawing title; not inferred from suffix digits.

Package bodyDifferent23 x 23 mmLATTICE_PACKAGE_DS_02053_8_8 ↗ · packagep. 136, section 131, 554-Ball caBGA drawing, D/E dimension
Conditions

Package body width x length, basic dimension (BSC), not PCB footprint/keep-out or height. Cross-checked against DS-02012 Table 1.1.

14 x 14 mmLATTICE_PACKAGE_DS_02053_8_8 ↗ · packagep. 99, section 94, 256-Ball caBGA drawing, D/E dimension
Conditions

Package body width x length, basic dimension (BSC), not PCB footprint/keep-out or height. Cross-checked against DS-02012 Table 1.1.

Ball pitchSame0.8 mmLATTICE_PACKAGE_DS_02053_8_8 ↗ · packagep. 136, section 131, 554-Ball caBGA drawing, e dimension
Conditions

Nominal ball-to-ball pitch (BSC). Depopulated ball arrays still have this underlying pitch.

0.8 mmLATTICE_PACKAGE_DS_02053_8_8 ↗ · packagep. 99, section 94, 256-Ball caBGA drawing, e dimension
Conditions

Nominal ball-to-ball pitch (BSC). Depopulated ball arrays still have this underlying pitch.

Package terminals / leads (vendor count)Unconfirmed dataNot confirmedNot confirmed
Speed gradeSame-6LATTICE_ECP5_DS_02012_3_4 ↗ · MPNp. 101, section 5.2.1 Commercial, table data row 21 on this page, Grade column; p. 99 section 5.1 Speed legend
Conditions

Literal ordering-row grade. Grades describe timing bins within this family, not a single application fMAX or a cross-vendor speed ranking. ECP5-5G ordering rows in this revision list only -8.

-6LATTICE_ECP5_DS_02012_3_4 ↗ · MPNp. 100, section 5.2.1 Commercial, table data row 4 on this page, Grade column; p. 99 section 5.1 Speed legend
Conditions

Literal ordering-row grade. Grades describe timing bins within this family, not a single application fMAX or a cross-vendor speed ranking. ECP5-5G ordering rows in this revision list only -8.

Junction temperature (Tj)Same0 to +85 °CLATTICE_ECP5_DS_02012_3_4 ↗ · gradep. 51, Table 3.2, tJCOM Junction Temperature, Commercial Operation row
Conditions

Recommended operating junction temperature Tj. This is not ambient Ta, storage temperature, or the absolute maximum junction rating.

0 to +85 °CLATTICE_ECP5_DS_02012_3_4 ↗ · gradep. 51, Table 3.2, tJCOM Junction Temperature, Commercial Operation row
Conditions

Recommended operating junction temperature Tj. This is not ambient Ta, storage temperature, or the absolute maximum junction rating.

Temperature gradeSameCommercial (C)LATTICE_ECP5_DS_02012_3_4 ↗ · MPNp. 101, section 5.2.1 Commercial, table data row 21 on this page, Temp. column; p. 99 section 5.1 Grade legend
Conditions

The grade is read from this exact literal full MPN's ordering row, then joined to its specified junction operating range.

Commercial (C)LATTICE_ECP5_DS_02012_3_4 ↗ · MPNp. 100, section 5.2.1 Commercial, table data row 4 on this page, Temp. column; p. 99 section 5.1 Grade legend
Conditions

The grade is read from this exact literal full MPN's ordering row, then joined to its specified junction operating range.

Core voltage conditionsSame1.045 to 1.155 VLATTICE_ECP5_DS_02012_3_4 ↗ · device-familyp. 51, Table 3.2, VCC Core Supply Voltage / ECP5 row, Min and Max columns
Conditions

Lattice names the core rail VCC; stored under app vccint only as a generic core-voltage field. This is the recommended core range, not SerDes VCCA, VCCIO, an absolute maximum, or a full board power-supply specification.

1.045 to 1.155 VLATTICE_ECP5_DS_02012_3_4 ↗ · device-familyp. 51, Table 3.2, VCC Core Supply Voltage / ECP5 row, Min and Max columns
Conditions

Lattice names the core rail VCC; stored under app vccint only as a generic core-voltage field. This is the recommended core range, not SerDes VCCA, VCCIO, an absolute maximum, or a full board power-supply specification.

Maximum application clockUnconfirmed dataNot confirmed
Conditions

Application fMAX depends on implementation, path, loading, speed grade and operating conditions. No single application clock is established by the speed grade or PLL limit.

Not confirmed
Conditions

Application fMAX depends on implementation, path, loading, speed grade and operating conditions. No single application clock is established by the speed grade or PLL limit.

Application powerUnconfirmed dataNot confirmed
Conditions

Application power depends on design activity, resources, I/O, voltage and temperature; not determined from marketing/typical static-current figures.

Not confirmed
Conditions

Application power depends on design activity, resources, I/O, voltage and temperature; not determined from marketing/typical static-current figures.

Minimum junction temperatureSame0 °CLATTICE_ECP5_DS_02012_3_4 ↗ · gradep. 51, Table 3.2, tJCOM Junction Temperature, Commercial Operation row, Min column
Conditions

Recommended operating junction-temperature minimum.

0 °CLATTICE_ECP5_DS_02012_3_4 ↗ · gradep. 51, Table 3.2, tJCOM Junction Temperature, Commercial Operation row, Min column
Conditions

Recommended operating junction-temperature minimum.

Maximum junction temperatureSame85 °CLATTICE_ECP5_DS_02012_3_4 ↗ · gradep. 51, Table 3.2, tJCOM Junction Temperature, Commercial Operation row, Max column
Conditions

Recommended operating junction-temperature maximum.

85 °CLATTICE_ECP5_DS_02012_3_4 ↗ · gradep. 51, Table 3.2, tJCOM Junction Temperature, Commercial Operation row, Max column
Conditions

Recommended operating junction-temperature maximum.

Temperature referenceSameTjLATTICE_ECP5_DS_02012_3_4 ↗ · gradep. 51, Table 3.2, tJCOM Junction Temperature, Commercial Operation row
Conditions

Tj is explicitly stated by the manufacturer; no ambient range is established.

TjLATTICE_ECP5_DS_02012_3_4 ↗ · gradep. 51, Table 3.2, tJCOM Junction Temperature, Commercial Operation row
Conditions

Tj is explicitly stated by the manufacturer; no ambient range is established.

Conditional temperature operationUnconfirmed dataNot confirmedNot confirmed
Minimum core voltageUnconfirmed dataNot confirmedNot confirmed
Nominal core voltageUnconfirmed dataNot confirmedNot confirmed
Maximum core voltageUnconfirmed dataNot confirmedNot confirmed
Current lifecycleUnconfirmed dataNot confirmed
Conditions

No current official MPN lifecycle status was established. An ordering-table entry or live family webpage is not an Active-status statement.

Not confirmed
Conditions

No current official MPN lifecycle status was established. An ordering-table entry or live family webpage is not an Active-status statement.

Available stockUnconfirmed dataNot confirmed
Conditions

No current stock/inventory evidence was obtained. The official ordering-table entry does not establish availability.

Not confirmed
Conditions

No current stock/inventory evidence was obtained. The official ordering-table entry does not establish availability.

Comparison is not replacement approval.

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.