CY62146DV30

Switching Waveforms (continued)

Write Cycle No. 1 (WE Controlled)[15, 19, 20]

 

tWC

 

ADDRESS

 

 

CE

tSCE

 

 

 

tAW

 

tHA

tSA

tPWE

 

WE

 

 

BHE/BLE

tBW

 

OE

 

 

 

tSD

t

 

 

HD

DATA I/O

 

 

 

 

 

 

 

 

 

 

 

DATAIN

 

NOTE 21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tHZOE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Write Cycle No. 2 (CE Controlled)[15, 19, 20]

 

 

tWC

 

ADDRESS

 

 

 

 

 

tSCE

 

CE

 

 

 

 

tSA

 

tHA

 

tAW

 

WE

 

tPWE

 

 

 

 

BHE/BLE

 

tBW

 

OE

 

 

 

 

 

tSD

t

 

 

 

HD

DATA I/O

NOTE 21

DATAIN

 

 

tHZOE

 

 

Notes:

19.Data I/O is high impedance if OE = VIH.

20.If CE goes HIGH simultaneously with WE = VIH, 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.

Document #: 38-05339 Rev. *A

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Cypress CY62146DV30 manual Write Cycle No WE Controlled15, 19, Write Cycle No CE Controlled15, 19, Data I/O