CY7C135-20JC datasheet(6/12 Pages) CYPRESS

Part #	CY7C135-20JC

Description	4K x 8 Dual-Port Static RAM and 4K x 8 Dual-Port SRAM with Semaphores

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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6 / 12 page

CY7C135

CY7C1342

Document #: 38-06038 Rev. *C

Page 6 of 12

Switching Waveforms

Notes:

11. R/W is HIGH for read cycle.

12. Device is continuously selected, CE = VIL and OE = VIL.

13. Address valid prior to or coincident with CE transition LOW.

14. CEL = CER =LOW; R/WL = HIGH

tRC

tAA

tOHA

DATA VALID

PREVIOUS DATA VALID

DATA OUT

ADDRESS

Either Port Address Access

Read Cycle No. 1[11,12]

tACE

tLZOE

tDOE

tHZOE

tHZCE

DATA VALID

DATA OUT

SEM

or CE

OE

tLZCE

tPU

ICC

ISB

tPD

Either Port CE/OE Access

Read Cycle No. 2[11,13]

[10]

VALID

tDDD

tWDD

MATCH

R/WR

DATAINR

DATAOUTL

twc

ADDRESSR

t

PWE

VALID

t

SD

t

HD

ADDRESSL

Read Timing with Port-to-Port[14]

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CY7C135-20JC Datasheet(PDF) 6 Page - Cypress Semiconductor

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