Cypress CY62146DV30 Manual do Utilizador descarregar pdf (Página 7)

CY62146DV30

Document #: 38-05339 Rev. *A Page 7 of 11

Write Cycle No. 1 (WE Controlled)

[15, 19, 20]

Write Cycle No. 2 (CE

Controlled)

[15, 19, 20]

Notes:

19. Data I/O is high impedance if OE

= V

20. If CE

goes HIGH simultaneously with WE = V

, the output remains in a high-impedance state.

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

Switching Waveforms (continued)

PWE

DATA I/O

ADDRESS

HZOE

DATA

NOTE

BHE/BLE

SCE

PWE

SCE

HZOE

DATA

ADDRESS

DATA I/O

NOTE

BHE/BLE

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Cypress CY62146DV30 Manual do Utilizador Página 7