256K x 32 SGRAM
Documents
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
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131,072 words x 32 bits x 2 banks memory |
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Single 3.3 V ±0.3 V power supply |
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LVTTL compatible inputs and outputs |
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All input signals are latched at rising edge of system clock
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Auto precharge and controlled precharge |
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Internal pipelined operation: column address can be changed
every clock cycle |
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Dual internal banks controlled by A9 (Bank Address: BA)
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Independent byte operation via DQM0 to DQM3 |
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8-column Block Write function |
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Persistent write per bit function |
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Programmable burst sequence (Sequential / Interleave)
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Programmable burst length (1, 2, 4, 8 and full page)
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Programmable *CAS latency (1, 2 and 3) |
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Burst stop function (full-page burst) |
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Power Down operation and Clock Suspend operation |
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Auto refresh and self refresh capability |
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1,024 refresh cycles/16 ms |
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Package:
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100-pin plastic QFP (QFP100-P-1420-0.65-BK4) (Product :
MSM54V25632A-xxAGBK4) |
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xx indicates speed rank.
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