LFE2-20E-5FN484C Lattice, LFE2-20E-5FN484C Datasheet - Page 107

• Manufacturer Part Number: LFE2-20E-5FN484C
• Description: FPGA - Field Programmable Gate Array 21K LUTs 331 I/O DSP 1.2V -5
• Manufacturer: Lattice
• Series: LatticeECP2r

Specifications of LFE2-20E-5FN484C

• Number Of Macrocells: 21000
• Number Of Programmable I/os: 331
• Data Ram Size: 282624
• Supply Voltage (max): 1.26 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Supply Voltage (min): 1.14 V
• Package / Case: FPBGA-484
• No. Of Logic Blocks: 21000
• No. Of Macrocells: 10500
• No. Of Speed Grades: 5
• Total Ram Bits: 276Kbit
• No. Of I/o's: 331
• Clock Management: DLL, PLL
• I/o Supply Voltage: 3.465V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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