IC42S16160-7TIG datasheet(11/69 Pages) ICSI

Part #	IC42S16160-7TIG

Description	4M x 16Bit x 4 Banks (256-MBIT) SDRAM

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Manufacturer	ICSI [Integrated Circuit Solution Inc]

Direct Link	http://www.icsi.com.tw

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11 / 69 page

IC42S16160

Integrated Circuit Solution Inc.

11

DR037-0A 9/05/2003

COMMAND TRUTH TABLE

CKE

A11

Symbol

Command

n-1

n

CS

RAS

CAS

WE

BA

A10 A9-A0

DESL

Device deselect

H

X

H

X

XXXX

X

NOP

No operation

HX

L

H

X

MRS

Mode register set

H

X

LLLL

LL

V

ACT

Bank activate

HX

L

H

V

READ

Read

HX

L

H

L

H

V

L

V

READA

Read with auto precharge

HX

L

H

L

H

VH

V

WRIT

Write

HX

L

H

L

V

L

V

WRITA

Write with auto precharge

HX

L

H

L

VH

V

PRE

Precharge select bank

HX

L

H

L

V

L

X

PALL

Precharge all banks

HX

L

H

L

XH

X

BST

Burst stop

HX

L

H

L

X

REF

CBR (Auto) refresh

H

LLL

H

X

SELF

Self refresh

H

L

LLL

H

X

Notes:

H : High level

L : Low level

X : High or Low level (Don’t care)

V : Valid Data input

DQM TRUTH TABLE

CKE

Symbol

Command

n-1

n

DQM

ENB

Data Write / Output Enable

H

X

L

MASK

Data Mask / Output Disable

H

X

H

CKE TRUTH TABLE

CKE

Symbol

Command

Current State

n-1

n

CS

RAS

CAS

WE

Addreess

—

Clock suspend mode entry

Activating

H

L

XXXX

X

—

Clock suspend

Any

L

XXXX

X

—

Clock suspend mode exit

Clock suspend

L

H

XXXX

X

REF

CBR refresh command

Idle

H

LLL

H

X

SELF

Self refresh entry

Idle

H

LLLL

H

X

—

Self refresh exit

Self refresh

L

H

L

HHH

X

L

H

XXX

X

—

Power down entry

Idle

H

L

XXXX

X

—

Power down exit

Power down

L

H

XXXX

X

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IC42S16160-7TIG Datasheet(PDF) 11 Page - Integrated Circuit Solution Inc

IC42S16160-7TIG Datasheet(HTML) 11 Page - Integrated Circuit Solution Inc

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