CY7C4231-25JC Ver la hoja de datos (PDF) - Cypress Semiconductor

Número de pieza

componentes Descripción

Lista de partido

CY7C4231-25JC

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

Cypress Semiconductor 

CY7C4421/4201/4211/4221

CY7C4231/4241/4251

Switching Waveforms (continued)

Reset Timing[13]

RS

REN1,

REN2

WEN1

WEN2/LD [15]

EF,PAE

FF,PAF,

Q0 - Q8

tRS

tRSS

tRSS

tRSS

tRSF

tRSF

tRSF

tRSR

tRSR

tRSR

OE=1 [14]

OE=0

42X1–8

Notes:

13. The clocks (RCLK, WCLK) can be free-running during reset.

14. After reset, the outputs will be LOW if OE = 0 and three-state if OE=1.

15. Holding WEN2/LD HIGH during reset will make the pin act as a second enable pin. Holding WEN2/LD LOW during reset will make the pin act as a load enable for the

programmable flag offset registers.

7

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