CYM9260-66C datasheet(3/12 Pages) CYPRESS

Part #	CYM9260-66C

Description	64K(128K, 256K, 512K) x 72 SRAM Module

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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CYM9260

CYM9261B

CYM9262A

CYM9263

Document #: 38-05002 Rev. **

Page 3 of 12

Selection Guide

Part Number

Synchronous Cache Module

CYM9260-66

CYM9261B-66

CYM9262A-66

CYM9263-66

Cache Size

64 K x 72

128 K x 72

256 K x 72

512 K x 72

SRAMs Used

4 of 64K x 18

4 of 128K x 18

8 of 128K x 18

8 of 256K x 18

System Clock (MHz)

66

Data tCDV

10.3 ns

Logic Block Diagram - CYM9263

D[0:63]

DP[0:7]

A[17:0]

CLK[0:3]

A17:0

OE

CS

OE[0:1]

512KX72

NC

A17:0

OE

CS

CLK

WEH

WEL

WEH

WEL

WE[0:7]

CS[0:1]

D[0:15]

DQ[0:1]

DQ[0:15]

DQP[0:1]

ADSP

CLK

ADSC

Vcc3

R2

R1

R3

Vcc3

R4

R1, R2, R3, R4 are optional resistors

R1, R2, R4 are mounted for access using ADSC

R3, R2, R4 are mounted for access using ADSP

BANK 0

BANK 1

BANK 0 & 1

CE0

CE1

OE0

OE1

PD1

PD0

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