IS42S16100-10T 데이터 시트보기 (PDF) - Integrated Silicon Solution

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IS42S16100-10T

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

Integrated Silicon Solution 

IS42S16100

ISSI ®

TWO BANKS OPERATION COMMAND TRUTH TABLE(1,2)

Operation

Previous State Next State

CS RAS CAS WE A11 A10 A9-A0 BANK 0BANK 1 BANK 0BANK 1

DESL

HXXXXXX

Any Any

Any Any

NOP

L HHHX X X

Any Any

Any Any

BST

L HH L X X X

R/W/A I/A

A

I/A

I

I/A

I

I/A

I/A R/W/A

I/A

A

I/A

I

I/A

I

READ/READA

L H L H H H CA(3)

H H CA(3)

H L CA(3)

H L CA(3)

L H CA(3)

L H CA(3)

L L CA(3)

L L CA(3)

I/A R/W/A

R/W A

I/A R/W/A

R/W A

R/W/A I/A

A R/W

R/W/A I/A

A R/W

I/A RP

A

RP

I/A

R

A

R

RP I/A

RP

A

R

I/A

R

A

WRIT/WRITA

L H L L H H CA(3)

H H CA(3)

H L CA(3)

H L CA(3)

L H CA(3)

L H CA(3)

L L CA(3)

L L CA(3)

I/A R/W/A

R/W A

I/A R/W/A

R/W A

R/W/A I/A

A R/W

R/W/A I/A

A R/W

I/A WP

A WP

I/A W

A

W

WP I/A

WP A

W I/A

W

A

ACT

L L H H H RA RA

Any

I

Any A

L RA RA

I

Any

A Any

PRE/PALL

L LHLXHX

XHX

HLX

HLX

L LX

L LX

R/W/A/I I/A

I/A R/W/A/I

I/A R/W/A/I

R/W/A/I I/A

R/W/A/I I/A

I/A R/W/A/I

I

I

I

I

I/A

I

R/W/A/I I

I

I/A

I R/W/A/I

REF

L L LHXXX

I

I

I

I

MRS

L L L L OPCODE

I

I

I

I

Notes:

1. H: HIGH level input, L: LOW level input, X: HIGH or LOW level input, RA: Row Address, CA: Column Address

2. The device state symbols are interpreted as follows:

I Idle (inactive state)

A Row Active State

R Read

W Write

RP Read With Auto-Precharge

WP Write With Auto-Precharge

Any Any State

3. CA: A8,A9 = don’t care.

18

Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774

Rev. C

11/01/01

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