IS42S16128-8T View Datasheet(PDF) - Integrated Silicon Solution

Part Name

Description

View to exact match

IS42S16128-8T

128K Words x 16 Bits x 2 Banks (4-MBIT) SYNCHRONOUS DYNAMIC RAM

Integrated Silicon Solution 

IS42S16128

Burst Length and Column Address Sequence

Burst Length

Column Address

A2 A1 A0

Address Sequence

Sequential

Interleaved

2

4

8

Full Page

(256)

XX0

XX1

X00

X01

X10

X11

000

001

010

011

100

101

110

111

nnn

Notes:

1. The burst length in full page mode is 256.

0-1

1-0

0-1-2-3

1-2-3-0

2-3-0-1

3-0-1-2

0-1-2-3-4-5-6-7

1-2-3-4-5-6-7-0

2-3-4-5-6-7-0-1

3-4-5-6-7-0-1-2

4-5-6-7-0-1-2-3

5-6-7-0-1-2-3-4

6-7-0-1-2-3-4-5

7-0-1-2-3-4-5-6

Cn, Cn+1, Cn+2

Cn+3, Cn+4.....

...Cn-1(Cn+255),

Cn(Cn+256).....

0-1

1-0

0-1-2-3

1-0-3-2

2-3-0-1

3-2-1-0

0-1-2-3-4-5-6-7

1-0-3-2-5-4-7-6

2-3-0-1-6-7-4-5

3-2-1-0-7-6-5-4

4-5-6-7-0-1-2-3

5-4-7-6-1-0-3-2

6-7-4-5-2-3-0-1

7-6-5-4-3-2-1-0

None

Bank Select and Precharge Address Allocation

Row

Column

X0

—

X1

—

X2

—

X3

—

X4

—

X5

—

X6

—

X7

—

X8

0

1

X9

0

1

Y0

—

Y1

—

Y2

—

Y3

—

Y4

—

Y5

—

Y6

—

Y7

—

Y8

0

1

Y9

0

1

Row Address

Row Address

Row Address

Row Address

Row Address

Row Address

Row Address

Row Address

Precharge of the Selected Bank (Precharge Command)

Precharge of Both Banks (Precharge Command)

Bank 0 Selected (Precharge and Active Command)

Bank 1 Selected (Precharge and Active Command)

Column Address

Column Address

Column Address

Column Address

Column Address

Column Address

Column Address

Column Address

Auto-Precharge Not Performed

Auto-Precharge Performed

Bank 0 Selected (Read and Write Commands)

Bank 1 Selected (Read and Write Commands)

ISSI ®

Row Address

(Active Command)

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

21

Rev. A

03/13/00

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