IS42S16100-5TL 데이터 시트보기 (PDF) - Integrated Silicon Solution

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IS42S16100-5TL

512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM

Integrated Silicon Solution 

IS42S16100

COMMAND TRUTH TABLE(1,2)

Symbol Command

MRS

Mode Register Set(3,4)

REF

Auto-Refresh(5)

SREF

Self-Refresh(5,6)

PRE

Precharge Selected Bank

PALL

Precharge Both Banks

ACT

Bank Activate(7)

WRIT

Write

WRITA

Write With Auto-Precharge(8)

READ

Read(8)

READA Read With Auto-Precharge(8)

BST

Burst Stop(9)

NOP

No Operation

DESL

Device Deselect

SBY

Clock Suspend / Standby Mode

ENB

Data Write / Output Enable

MASK

Data Mask / Output Disable

CKE

n-1 n CS RAS CAS WE DQM A11 A10 A9-A0 I/On

H X L L L L X OP CODE

X

H H L L L H X X X X HIGH-Z

H L L L L H X X X X HIGH-Z

H X L L H L X BS L X

X

HX L LHLXX H X

X

H X L L H H X BS Row Row X

H X L H L L X BS L Column(18) X

H X L H L L X BS H Column(18) X

H X L H L H X BS L Column(18) X

H X L H L H X BS H Column(18) X

HX LHH LXX X X

X

HX LHHHXX X X

X

HXHXXXXX X X

X

LXXXXXXX X X

X

H X X X X X L X X X Active

H X X X X X H X X X HIGH-Z

DQM TRUTH TABLE(1,2)

Symbol Command

ENB

Data Write / Output Enable

MASK Data Mask / Output Disable

ENBU Upper Byte Data Write / Output Enable

ENBL Lower Byte Data Write / Output Enable

MASKU Upper Byte Data Mask / Output Disable

MASKL Lower Byte Data Mask / Output Disable

CKE

n-1

n

H

X

H

X

H

X

H

X

H

X

H

X

DQM

UPPER LOWER

L

L

H

H

L

X

X

L

H

X

X

H

CKE TRUTH TABLE(1,2)

Symbol Command

Current State

SPND Start Clock Suspend Mode

Active

—

Clock Suspend

Other States

—

Terminate Clock Suspend Mode Clock Suspend

REF Auto-Refresh

Idle

SELF Start Self-Refresh Mode

Idle

SELFX Terminate Self-Refresh Mode Self-Refresh

PDWN Start Power-Down Mode

Idle

—

Terminate Power-Down Mode Power-Down

CKE

n-1 n CS RAS CAS WE A11 A10A9-A0

HLXXXXXXX

L LXXXXXXX

LHXXXXXXX

HH L L LHXXX

HL L L LHXXX

LH LHHHXXX

LHHXXXXXX

H L LHHHXXX

H LHXXXXXX

LHXXXXXXX

14

Integrated Silicon Solution, Inc. — www.issi.com

Rev.  D

01/28/08

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