P2V28S20ATP-7 View Datasheet(PDF) - Vanguard International Semiconductor

Part Name

Description

MFG CO.

P2V28S20ATP-7

128Mb SDRAM Specification

Vanguard International Semiconductor 

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128Mb Synchronous DRAM

P2V28S20ATP-7,-75,-8 (4-BANK x 8,388,608-WORD x 4-BIT)

P2V28S30ATP-7,-75,-8 (4-BANK x 4,194,304-WORD x 8-BIT)

P2V28S40ATP-7,-75,-8 (4-BANK x 2,097,152-WORD x 16-BIT)

CLK

Command

Read

Address

Y

DQ

Q0 Q1 Q2 Q3

Write

Y

D0 D1 D2 D3

CL= 3

BL= 4

/CAS Latency

Burst Length

Burst Type

Burst Length

Initial Address BL

Column Addressing

A2 A1 A0

Sequential

Interleaved

00 0

012 345670123 4567

00 1

123 456701032 5476

01 0

234 567012301 6745

01 1

345 670123210 7654

8

10 0

456 701234567 0123

10 1

567 012345476 1032

11 0

670 123456745 2301

11 1

701 23456 7654 3210

- 00

012 3

0123

- 01

123 0

4

- 10

230 1

1032

2301

- 11

30 12

32 1 0

-- 0

01

2

-- 1

10

01

10

JULY.2000

Page-16

Rev.2.2

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