LFE3-70EA-8FN1156C

Manufacturer Part NumberLFE3-70EA-8FN1156C
Description66.5K LUTS, 490 I/O, SERDES, 1.2V, -8 SPEED, PB-FREE
ManufacturerLATTICE SEMICONDUCTOR
LFE3-70EA-8FN1156C datasheets

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Lattice Semiconductor
Typical Building Block Function Performance
Pin-to-Pin Performance (LVCMOS25 12mA Drive)
Basic Functions
16-bit Decoder
32-bit Decoder
64-bit Decoder
4:1 MUX
8:1 MUX
16:1 MUX
32:1 MUX
1. These functions were generated using the ispLEVER design tool. Exact performance may vary with device and tool version. The tool uses
internal parameters that have been characterized but are not tested on every device.
2. Commercial timing numbers are shown. Industrial numbers are typically slower and can be extracted from the Diamond or ispLEVER soft-
ware.
Register-to-Register Performance
Basic Functions
16-bit Decoder
32-bit Decoder
64-bit Decoder
4:1 MUX
8:1 MUX
16:1 MUX
32:1 MUX
8-bit adder
16-bit adder
64-bit adder
16-bit counter
32-bit counter
64-bit counter
64-bit accumulator
Embedded Memory Functions
512x36 Single Port RAM, EBR Output Registers
1024x18 True-Dual Port RAM (Write Through or Normal, EBR Output Registers)
1024x18 True-Dual Port RAM (Read-Before-Write, EBR Output Registers
1024x18 True-Dual Port RAM (Write Through or Normal, PLC Output Registers)
Distributed Memory Functions
16x4 Pseudo-Dual Port RAM (One PFU)
32x4 Pseudo-Dual Port RAM
64x8 Pseudo-Dual Port RAM
DSP Function
18x18 Multiplier (All Registers)
9x9 Multiplier (All Registers)
36x36 Multiply (All Registers)
1, 2
Function
1, 2
Function
3-14
DC and Switching Characteristics
LatticeECP3 Family Data Sheet
-8 Timing
Units
4.7
4.7
5.7
4.1
4.3
4.7
4.8
-8 Timing
Units
500
500
500
500
500
500
445
500
500
305
500
460
320
315
340
340
130
245
500
500
400
400
400
260
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz

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