CY7C185

Switching Waveforms (continued)

Write Cycle No. 2 (CE Controlled)[12,13,14]

 

tWC

 

ADDRESS

 

 

CE

tSCE1

 

1

 

 

tSA

 

 

CE2

tSCE2

 

tAW

 

tHA

WE

 

 

 

tSD

tHD

DATA I/O

DATA IN VALID

 

 

 

C185–9

Write Cycle No. 3 (WE Controlled, OE LOW)[12,13,14,15]

 

 

tWC

 

ADDRESS

 

 

 

CE

 

tSCE1

 

1

 

 

 

CE2

 

tSCE2

 

 

 

tAW

tHA

WE

tSA

 

 

 

 

 

 

 

tSD

tHD

DATA I/O

NOTE 13

DATA IN VALID

 

 

tHZWE

 

tLZWE

 

 

 

C185–10

Notes:

 

 

 

14.The minimum write cycle time for write cycle #3 (WE controlled, OE LOW) is the sum of tHZWE and tSD.

15.If CE1 goes HIGH or CE2 goes LOW simultaneously with WE HIGH, the output remains in a high-impedance state.

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Cypress CY7C185 specifications Write Cycle No CE Controlled12,13,14, Write Cycle No WE Controlled, OE LOW12,13,14,15