CY62146DV30L Ver la hoja de datos (PDF) - Cypress Semiconductor

Número de pieza

componentes Descripción

Fabricante

CY62146DV30L

4-Mbit (256K x 16) Static RAM

Cypress Semiconductor 

Switching Waveforms (continued)

Write Cycle No. 1 (WE Controlled)[15, 19, 20]

ADDRESS

CE

tSA

WE

tWC

tSCE

tAW

tPWE

BHE/BLE

tBW

OE

DATA I/O

NOTE 21

tHZOE

Write Cycle No. 2 (CE Controlled)[15, 19, 20]

ADDRESS

CE

WE

tSA

tAW

tSD

DATAIN

tWC

tSCE

tPWE

BHE/BLE

tBW

OE

tSD

DATA I/O

NOTE 21

DATAIN

tHZOE

Notes:

19. Data I/O is high impedance if OE = VIH.

20. If CE goes HIGH simultaneously with WE = VIH, the output remains in a high-impedance state.

21. During this period, the I/Os are in output state and input signals should not be applied.

CY62146DV30

tHA

tHD

tHA

tHD

Document #: 38-05339 Rev. *A

Page 7 of 11

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