HB5425161BTT-75B Ver la hoja de datos (PDF) - Elpida Memory, Inc

Número de pieza

componentes Descripción

Fabricante

HB5425161BTT-75B

256M SSTL_2 interface DDR SDRAM

Elpida Memory, Inc 

Block Diagram

HM5425161B, HM5425801B, HM5425401B Series

Address (A12, BA0, BA1)

Address register

AY0 to AY11

AX0 to AX12

Column address

buffer

Column address

counter

Row address

buffer

Refresh

counter

A0 to A12,

BA0, BA1

Mode register

BA0, BA1

Bank

select

Row

decoder

Bank 0

*1

Row

decoder

Bank 1

*1

Row

decoder

Bank 2

*1

Row

decoder

Bank 3

*1

Input

buffer

Output

DQS

DLL

buffer

buffer

DQ*2

Notes: 1. 8192 row × 512 column × 16 bit: HM5425161B

8192 row × 1024 column × 8 bit: HM5425801B

8192 row × 2048 column × 4 bit: HM5425401B

2. DQ0 to DQ15: HM5425161B

DQ0 to DQ7: HM5425801B

DQ0 to DQ3: HM5425401B

CLK

CLK

CKE

CS

RAS

CAS

WE

DM,

DMU/DML

DQS,

DQSU/DQSL

Data Sheet E0086H20

9

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