LFE2-20E-5FN484I LATTICE SEMICONDUCTOR, LFE2-20E-5FN484I Datasheet - Page 92

• Manufacturer Part Number: LFE2-20E-5FN484I
• Description: FPGA LatticeECP2 Family 21000 Cells 90nm (CMOS) Technology 1.2V 484-Pin FBGA
• Manufacturer: LATTICE SEMICONDUCTOR

Specifications of LFE2-20E-5FN484I

• Package: 484FBGA
• Family Name: LatticeECP2
• Device Logic Units: 21000
• Typical Operating Supply Voltage: 1.2 V
• Maximum Number Of User I/os: 331
• Ram Bits: 282624
• In System Programmability: Yes

Lattice Semiconductor
Figure 3-12. Transmitter and Receiver Block Diagram
HDOUTPi
HDOUTNi
HDINPi
HDINNi
Transmitter
Receiver
REFCLK
EQ
TX PLL
SERDES
REFCLK
CDR
Serializer
8:1/10:1
Transmit Clock
T4
Deserializer
R1
1:8/1:10
SERDES Bridge
R2
BYPASS
Polarity
Adjust
BYPASS
Polarity
Adjust
T3
Recovered Clock
3-40
BYPASS
R3
WA
Encoder
BYPASS
BYPASS
DEC
PCS
T2
DC and Switching Characteristics
LatticeECP2/M Family Data Sheet
R4
BYPASS
Elastic
Buffer
FIFO
R5
FPGA Bridge
Sample
Down
FIFO
Sample
R6
FIFO
Up
BYPASS
T1
FPGA Core
FPGA
EBRD Clock
Receive Data
FPGA
Receive Clock
Transmit Data
FPGA
Transmit Clock