CY7C4221V-25JC View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

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CY7C4221V-25JC

Low Voltage 64/256/512/1K/2K/4K/8K x 9 Synchronous FIFOs

Cypress Semiconductor 

CY7C4421V/4201V/4211V/4221V

PRELIMINARY

CY7C4231V/4241V/4251V

Switching Waveforms (continued)

Empty Flag Timing

WCLK

tDS

D0 –D8

DATAWRITE1

tENS

tENH

WEN1

tENS

WEN2

(if applicable)

tENH

tFRL [14]

RCLK

tSKEW1

EF

tREF

REN1,

REN2

OE

LOW

Q0 –Q8

DATA IN OUTPUT REGISTER

tDS

DATAWRITE2

tENS

tENS

tENH

tENH

tFRL [14]

tREF

tSKEW1

tREF

tA

DATA READ

42X1V–10

8

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