HB5425161B View Datasheet(PDF) - Elpida Memory, Inc

Part Name

Description

Manufacturer

HB5425161B

256M SSTL_2 interface DDR SDRAM

Elpida Memory, Inc 

HM5425161B, HM5425801B, HM5425401B Series

Pin Description

Pin name

A0 to A12

BA0, BA1

DQ0 to DQ7

DQS

CS

RAS

CAS

WE

DM

CLK

CLK

CKE

VREF

VCC

VSS

VCCQ

VSSQ

NC

Function

Address input

 Row address A0 to A12

 Column address A0 to A9

Bank select address

Data-input/output

Input and output data strobe

Chip select

Row address strobe command

Column address strobe command

Write enable

Input mask

Clock input

Differential clock input

Clock enable

Input reference voltage

Power for internal circuit

Ground for internal circuit

Power for DQ circuit

Ground for DQ circuit

No connection

Data Sheet E0086H20

6

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