CY7C199D-10VXI 데이터 시트보기 (PDF) - Cypress Semiconductor

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CY7C199D-10VXI

256K (32K x 8) Static RAM

Cypress Semiconductor 

Switching Waveforms (continued)

Write Cycle No. 1 (CE Controlled) [10, 16, 17]

tWC

ADDRESS

CE

tSA

tAW

WE

DATA IO

Write Cycle No. 2 (WE Controlled) [10, 16, 17]

tWC

ADDRESS

tSCE

tSD

DATA IN VALID

CE

tAW

tSA

WE

tPWE

tHA

tHD

tHA

OE

DATA IO

NOTE 18

tHZOE

Write Cycle No. 3 (WE Controlled, OE LOW) [11, 17]

tWC

ADDRESS

tSD

DATAIN VALID

CE

tAW

tSA

WE

DATA IO

NOTE 18

tHZWE

tSD

DATAIN VALID

Notes:

16. Data IO is high impedance if OE = VIH.

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

18. During this period the IOs are in the output state and input signals should not be applied.

Document #: 38-05471 Rev. *E

tHD

tHA

tHD

tLZWE

CY7C199D

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