LFXP20E-4F256C Lattice, LFXP20E-4F256C Datasheet - Page 252

• Manufacturer Part Number: LFXP20E-4F256C
• Description: IC FPGA 19.7KLUTS 188I/O 256-BGA
• Manufacturer: Lattice

Specifications of LFXP20E-4F256C

• Lead Free Status / Rohs Status: Contains lead / RoHS non-compliant

Lattice Semiconductor
Appendix E. List of Compatible DDR SDRAM
Below are the criteria used to list the DDR SDRAM part numbers.
Table 10-9 lists the DDR SDRAM part numbers that can be used with the LatticeECP/EC and LatticeXP devices.
Please note these part numbers are chosen based on the criteria stated above and have not necessary been vali-
dated in hardware.
Table 10-9. List of Compatible DDR SDRAM
Micron 128MB
Micron 128MB
Micron 128MB
Micron 256MB
Micron 256MB
Micron 256MB
Micron 256MB
Micron 256MB
Micron 256MB
Micron 512MB
Micron 512MB
Micron 512MB
Micron 512MB
Micron 512MB
DDR SDRAM Vendor
1. The memory device should support one DQS strobe for every eight DQ data bits.
2. 4-bit, 8-bit and 16-bit configurations. For 16-bit configurations, each data byte must have an independent
3. The memory device uses SSTL2 I/O interface standard.
4. Data transfer rate DDR400, DDR333 or DDR266 for LatticeECP/EC devices and DDR333 or DDR266 for
5. Clock transfer rate of 200MHz, 167MHz or 133MHz for LatticeECP/EC devices and 167MHz or 133MHz for
DQS strobe.
LatticeXP devices.
LatticeXP devices.
MT46V32M4TG
MT46V16M8TG
MT46V8M16TG
MT46V64M4FG
MT46V64M4TG
MT46V32M8FG
MT46V32M8TG
MT46V16M16FG
MT46V16M16TG
MT46V128M4FN
MT46V128M4TG
MT46V64M8FN
MT46V64M8TG
MT46V32M16FN
Part Number
10-33
Configuration
16Mx16
16Mx16
128Mx4
128Mx4
32Mx16
32Mx4
16Mx8
8Mx16
64Mx4
64Mx4
32Mx8
32Mx8
64Mx8
64Mx8
LatticeECP/EC and LatticeXP
DDR266
DDR333
DDR266
DDR266
DDR400
DDR333
DDR266
DDR400
DDR333
DDR266
DDR400
DDR333
DDR266
DDR400
DDR333
DDR266
DDR266
DDR400
DDR333
DDR266
DDR400
DDR333
DDR266
DDR266
DDR400
DDR333
DDR266
DDR400
DDR333
DDR266
DDR400
DDR333
DDR266
Max Data Rate
DDR Usage Guide
133MHz
167MHz
133MHz
133MHz
200MHz
167MHz
133MHz
200MHz
167MHz
133MHz
200MHz
167MHz
133MHz
200MHz
167MHz
133MHz
133MHz
200MHz
167MHz
133MHz
200MHz
167MHz
133MHz
133MHz
200MHz
167MHz
133MHz
200MHz
167MHz
133MHz
200MHz
167MHz
133MHz
Clock Speed