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Switching waveforms – Cypress CY62167EV30 User Manual

Page 7

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CY62167EV30 MoBL

®

Document #: 38-05446 Rev. *E

Page 7 of 14

Figure 7

shows WE controlled write cycle waveforms.

[18, 22, 23]

Figure 7. Write Cycle No. 1

Switching Waveforms

(continued)

t

HD

t

SD

t

PWE

t

SA

t

HA

t

AW

t

SCE

t

WC

t

HZOE

VALID DATA

t

BW

NOTE 24

CE

1

ADDRESS

CE

2

WE

DATA I/O

OE

BHE/BLE

Notes

22. Data IO is high impedance if OE = V

IH

.

23. If CE

1

goes HIGH and CE

2

goes LOW simultaneously with WE = V

IH

, the output remains in a high impedance state.

24. During this period the I/Os are in output state. Do not apply input signals.

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