CY62147CV30LL-55BAI Просмотр технического описания (PDF) - Cypress Semiconductor

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CY62147CV30LL-55BAI

256K x 16 Static RAM

Cypress Semiconductor 

Switching Waveforms (continued)

[12, 16, 17]

Write Cycle No. 1 (WE Controlled)

ADDRESS

CE

tSA

WE

tWC

tSCE

tAW

tPWE

BHE/BLE

tBW

OE

DATA I/O

NOTE 18

tHZOE

Write Cycle No. 2 (CE Controlled) [12, 16, 17]

ADDRESS

CE

WE

tSA

tAW

tSD

DATAIN VALID

tWC

tSCE

tPWE

BHE/BLE

tBW

OE

DATA I/O

NOTE 18

tHZOE

tSD

DATAIN VALID

Notes:

16. Data I/O 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 I/Os are in output state and input signals should not be applied.

CY62147CV25/30/33

MoBL™

tHA

tHD

tHA

tHD

Document #: 38-05202 Rev. *A

Page 8 of 14

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