IS42RM Просмотр технического описания (PDF) - Integrated Silicon Solution

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IS42RM

1M x 16Bits x 4Banks Mobile Synchronous DRAM

Integrated Silicon Solution 

Figure2: Functional Block Diagram

CLK

CKE

CLOCK

GENERATOR

ADDRESS

MODE

REGISTER

EXTENDED

MODE

REGISTER

TCSR

PASR

ROW

ADDRESS

BUFFER &

REFRESH

COUNTER

/CS

/RAS

/CAS

/WE

COLUMN

ADDRESS

BUFFER &

BURST

COUNTER

IS42SM/RM/VM16400K

BANK D

BANK C

BANK B

BANK A

SENSE AMPLIFIER

COLUMN DECODER

& LATCH CIRCUIT

DATA CONTROL CIRCUIT

DQM

LATCH CIRCUIT

INPUT & OUTPUT

BUFFER

DQ

Rev. A | August 2012

www.issi.com - DRAM@issi.com

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