7C1019BV33-15 参数 Datasheet PDF下载

CY7C1019BV33

Switching Waveforms

(continued)

Write Cycle No. 1 (CE Controlled)

t

WC

ADDRESS

t

SCE

CE

t

SA

t

SCE

t

AW

t

PWE

WE

t

SD

DATA I/O

DATA VALID

1019BV33–8

t

HA

t

HD

Write Cycle No. 2 (WE Controlled, OE HIGH During Write)

t

WC

ADDRESS

t

SCE

CE

t

AW

t

SA

WE

t

PWE

t

HA

OE

t

SD

DATA I/O

NOTE 14

t

HZOE

Notes:

12. Data I/O is high impedance if OE = V

IH

.

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

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

t

HD

DATA

IN

VALID

1019BV33–98

5