CY7C1049DV33-10VXI 参数 Datasheet PDF下载

CY7C1049DV33

Switching Waveforms

(continued)

Figure 6. Write Cycle No. 2 (WE Controlled, OE LOW)

t

WC

ADDRESS

t

SCE

CE

t

AW

t

SA

WE

t

SD

DATA I/O

NOTE 19

t

HZWE

DATA VALID

t

PWE

t

HA

t

HD

t

LZWE

Figure 7. Write Cycle No. 3 (CE Controlled)

t

WC

ADDRESS

t

SCE

CE

t

SA

t

AW

t

PWE

WE

t

SD

DATA I/O

DATA VALID

t

HD

t

SCE

t

HA

Notes

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

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

20. Data IO is high impedance if OE = V

IH

.

Document Number: 38-05475 Rev. *G

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