SDRAM
Modules
Module Features
PC133
256MB SDRAM Module
-168-Pin SDRAM DIMMs Unbuffered (x64)
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- 168-pin (JEDEC-standard), dual in-line
memory module (DIMM)
- PC133-compliant; Unbuffered
- 256MB (32 Meg x 64) architecture
with 64-bit memory bus
- Built with 8 devices of 32Mx8 architecture
or 16 devices of 32Mx4 architecture
or 16 devices of 16Mx8 architecture.
- Single +3.3V ?0.3V power supply
- Fully synchronous; all signals registered
on positive edge of system clock
- Internal pipelined operation; column
address can be changed every clock cycle
- Internal SDRAM banks for hiding row
access/precharge
- Auto Precharge, including Concurrent
Auto; Precharge, and Auto Refresh Modes
- 64ms, 8,192 cycle Auto Refresh cycle
- Self Refresh Mode Serial Presence-Detect
(SPD)
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