IS42S32200A 查看數據表（PDF） - Integrated Silicon Solution

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IS42S32200A

512K Bits x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM

Integrated Silicon Solution 

IS42S32200A

READ to PRECHARGE

ISSI ®

T0

T1

CLK

COMMAND

READ

ADDRESS

BANK a,

COL n

NOP

T2

NOP

T3

T4

T5

T6

NOP

tRP

PRECHARGE

NOP

x = 1 cycle

BANK

(a or all)

NOP

T7

ACTIVE

BANK a,

ROW

DQ

DOUT n

DOUT n+1

DOUT n+2

DOUT n+3

CAS Latency - 2

DON'T CARE

T0

T1

T2

CLK

COMMAND

READ

NOP

NOP

ADDRESS

BANK,

COL n

DQ

CAS Latency - 3

T3

NOP

T4

T5

T6

tRP

PRECHARGE

NOP

x = 2 cycles

BANK,

COL b

NOP

T7

ACTIVE

BANK a,

ROW

DOUT n

DOUT n+1

DOUT n+2

DOUT n+3

DON'T CARE

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

21

ADVANCE INFORMATION Rev. 00B

09/21/01

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