LFE2-20E-5FN256I Lattice, LFE2-20E-5FN256I Datasheet - Page 107

• Manufacturer Part Number: LFE2-20E-5FN256I
• Description: IC FPGA 21KLUTS 193I/O 256FPBGA
• Manufacturer: Lattice
• Series: ECP2r

Specifications of LFE2-20E-5FN256I

• Number Of Logic Elements/cells: 21000
• Number Of Labs/clbs: 2625
• Total Ram Bits: 282624
• Number Of I /o: 193
• Number Of Gates: -
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 256-BGA
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 220-1170; LFE2-20E-5FN256I; Q6411457

Lattice Semiconductor
PICs and DDR Data (DQ) Pins Associated with the DDR Strobe (DQS) Pin
For Left and Right Edges of the Device
P[Edge] [n-4]
P[Edge] [n-3]
P[Edge] [n-2]
P[Edge] [n-1]
P[Edge] [n]
P[Edge] [n+1]
P[Edge] [n+2]
P[Edge] [n+3]
For Bottom Edge of the Device
P[Edge] [n-4]
P[Edge] [n-3]
P[Edge] [n-2]
P[Edge] [n-1]
P[Edge] [n]
P[Edge] [n+1]
P[Edge] [n+2]
P[Edge] [n+3]
P[Edge] [n+4]
Notes:
1. “n” is a row PIC number.
2. The DDR interface is designed for memories that support one DQS strobe up to 15 bits
PICs Associated with
of data for the left and right edges and up to 17 bits of data for the bottom edge. In some
packages, all the potential DDR data (DQ) pins may not be available. PIC numbering
definitions are provided in the “Signal Names” column of the Signal Descriptions table.
DQS Strobe
PIO Within PIC
4-4
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
DDR Strobe (DQS) and
LatticeECP2/M Family Data Sheet
Data (DQ) Pins
[Edge]DQSn
[Edge]DQSn
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
Pinout Information