Cypress CY7C1012DV33 manual Switching Waveforms continued, Write Cycle No. 1 CE Controlled 3, 16

Models: CY7C1012DV33

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CY7C1012DV33

 

 

CY7C1012DV33

Switching Waveforms (continued)

 

 

Figure 5. Write Cycle No. 1 (CE Controlled) [3, 16, 17]

 

tWC

 

ADDRESS

 

 

 

tSCE

 

CE

 

 

tSA

tSCE

tHA

tAW

 

WE

tPWE

 

 

 

 

tSD

tHD

DATA I/O

DATA VALID

 

Figure 6. Write Cycle No. 2 (WE Controlled, OE HIGH During Write) [3, 16, 17]

 

 

tWC

 

ADDRESS

 

 

 

 

 

tSCE

 

CE

 

 

 

 

tAW

 

tHA

 

tSA

tPWE

 

WE

 

 

 

OE

 

tSD

 

 

t

tHD

 

HZOE

 

 

DATA I/O

NOTE 18

DATAIN VALID

 

Figure 7. Write Cycle No. 3 (WE Controlled, OE LOW) [3, 17]

 

 

tWC

 

ADDRESS

 

 

 

 

 

tSCE

 

CE

 

 

 

 

tAW

 

tHA

 

tSA

tPWE

 

WE

 

 

 

 

 

tSD

tHD

DATA I/O

NOTE 18

DATA VALID

 

 

tHZWE

 

tLZWE

Notes

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

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

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

Document Number: 38-05610 Rev. *D

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