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• 184-pin, unbuffered dual in-line memory module (UDIMM)

• Fast data transfer rates: PC2100, PC2700, or PC3200

• Vdd = VddQ = +2.5V

• Vddspd = +2.3V to +3.6V

• 2.5V I/O (SSTL_2-compatible)

• Internal, pipelined double data rate (DDR) 2n-prefetch architectur

• Bidirectional data strobe (DQS) transmitted/ received with data—that is, source-synchronous data capture

• Differential clock inputs (CK and CK#)

• Multiple internal device banks for concurrent operation

• Singlel rank

• Selectable burst lengths (BL): 2, 4, or 8

• Auto precharge option

• Auto refresh and self refresh modes: 7.8125μs maximum average periodic refresh interval

• Serial presence-detect (SPD) with EEPROM

• Selectable CAS latency (CL) for maximum compatibility

• Gold edge contacts

Suitable for Desktop PC
Model Specification 1GB DDR 400 Long DIMM
Working Voltage +2.5V ± 0.1V
CL 3 cycles
UL Rating 94V - 0

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