DESCRIPTION

The MSM54V25632A is a synchronous graphics random access memory organized as 128 K words x 32 bits x 2 banks.

This device can operate up to 100 MHz by using synchronous interface. In addition, it has 8-column Block Write function and Write per bit function which improves performance in graphics systems.

FEATURES

? 131,072 words x 32 bits x 2 banks memory

? Single 3.3 V ±0.3 V power supply

? LVTTL compatible inputs and outputs

? All input signals are latched at rising edge of system clock

? Auto precharge and controlled precharge

? Internal pipelined operation: column address can be changed every clock cycle

? Dual internal banks controlled by A9 (Bank Address: BA)

? Independent byte operation via DQM0 to DQM3

? 8-column Block Write function

? Persistent write per bit function

? Programmable burst sequence (Sequential/Interleave)

? Programmable burst length (1, 2, 4, 8 and full page)

? Programmable CAS latency (1, 2 and 3)

? Burst stop function (full-page burst)

? Power Down operation and Clock Suspend operation

? Auto refresh and self refresh capability

? 1,024 refresh cycles/16 ms

? Package:

100-pin plastic QFP (QFP100-P-1420-0.65-BK4) (Product : MSM54V25632A-xxAGBK4)

xx indicates speed rank.