IS42R16320D-7BL 데이터 시트보기 (PDF) - Integrated Silicon Solution

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IS42R16320D-7BL

DRAM 512M (32Mx16) 143MHz SDR SDRAM, 3.3V

Integrated Silicon Solution 

IS42/45R86400D/16320D/32160D, IS42/45S86400D/16320D/32160D

READ WITHOUT AUTO PRECHARGE

T0

CLK

tCKS tCKH

CKE

tCMS tCMH

COMMAND ACTIVE

DQM/DQML

DQMH

A0-A9, A11, A12

A10

BA0, BA1

tAS tAH

ROW

tAS tAH

ROW

tAS tAH

BANK

DQ

T1

T2

T3

tCK

tCL tCH

NOP

READ

tCMS tCMH

NOP

COLUMN m(2)

DISABLE AUTO PRECHARGE

BANK

tAC

tLZ

tRCD

CAS Latency

tRAS

tRC

T4

NOP

tAC

DOUT m

tOH

T5

T6

NOP PRECHARGE

ALL BANKS

SINGLE BANK

BANK

tAC

DOUT m+1

tOH

tAC

DOUT m+2

tOH

T7

T8

NOP

ACTIVE

ROW

ROW

tHZ

DOUT m+3

tOH

tRP

BANK

DON'T CARE

UNDEFINED

Notes:

1) CAS latency = 2, Burst Length = 4

2) x8: A12 = "Don't Care"

x16: A11, A12 = "Don't Care"

x32: A9, A11, A12 = "Don't Care"

56

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

Rev. A

08/29/2012

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