HM5212325FBPC Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HM5212325FBPC

128M LVTTL interface SDRAM 100 MHz 1-Mword ×32-bit ×4-bank PC/100 SDRAM

Hitachi -> Renesas Electronics 

HM5212325FBPC-B60

Pin Description

Pin name

Function

A0 to A13

Address input

Row address A0 to A11

Column address A0 to A7

Bank select address A12/A13 (BS)

DQ0 to DQ31

Data-input/output

CS

Chip select

RAS

Row address strobe command

CAS

Column address strobe command

WE

Write enable

DQMB0 to DQMB3

Byte data mask*1

CLK

Clock input

CKE

Clock enable

VCC

VSS

Open

Power supply

Ground

Open*2

Note:

1. DQMB0: DQ0 to DQ7

DQMB1: DQ8 to DQ15

DQMB2: DQ16 to DQ23

DQMB3: DQ24 to DQ31

2. Don’t connect. Internally connected with die.

4

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