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Switching waveforms – Cypress CY62146EV30 User Manual

Page 7

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CY62146EV30 MoBL

®

Document #: 38-05567 Rev. *C

Page 7 of 12

Write Cycle No. 1 (WE Controlled)

[15, 19, 20]

Write Cycle No. 2 (CE

Controlled)

[15, 19, 20]

Switching Waveforms

(continued)

t

HD

t

SD

t

PWE

t

SA

t

HA

t

AW

t

WC

t

HZOE

DATA

IN

NOTE 21

t

BW

t

SCE

DATA IO

ADDRESS

CE

WE

OE

BHE/BLE

t

HD

t

SD

t

PWE

t

HA

t

AW

t

SCE

t

WC

t

HZOE

DATA

IN

t

BW

t

SA

CE

ADDRESS

WE

DATA IO

OE

BHE/BLE

NOTE 21

Notes:

19. Data IO is high impedance if OE = V

IH

.

20. If CE goes HIGH simultaneously with WE = V

IH

, the output remains in a high impedance state.

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