CY7C1021B-15ZC 参数 Datasheet PDF下载

CY7C1021B

CY7C10211B

Switching Waveforms

(continued)

Write Cycle No. 1 (CE Controlled)

ADDRESS

[13, 14]

t

WC

CE

t

SA

t

SCE

t

AW

t

PWE

WE

t

BW

BHE, BLE

t

SD

DATA I/O

t

HD

t

HA

Write Cycle No. 2 (BLE or BHE Controlled)

t

WC

ADDRESS

BHE, BLE

t

SA

t

BW

t

AW

t

PWE

WE

t

SCE

CE

t

SD

DATA I/O

Notes:

12. Address valid prior to or coincident with CE transition LOW.

13. Data I/O is high impedance if OE or BHE and/or BLE= V

IH

.

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

t

HA

t

HD

Document #: 38-05145 Rev. *A

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