CY62146ESL MoBL

Switching Waveforms (continued)

Figure 4. Write Cycle No 1: WE Controlled [12, 16, 17]

 

 

tWC

ADDRESS

 

 

 

 

tSCE

CE

 

 

 

tAW

tHA

WE

tSA

tPWE

 

 

BHE/BLE

 

tBW

OE

 

tHD

 

 

tSD

DATA IO

NOTE 18

DATAIN

 

tHZOE

 

Figure 5. Write Cycle 2: CE Controlled [12, 16, 17]

 

 

tWC

 

ADDRESS

 

 

 

 

 

tSCE

 

CE

 

 

 

 

tSA

 

tHA

 

tAW

 

WE

 

tPWE

 

 

 

 

BHE/BLE

 

tBW

 

OE

 

 

 

 

 

tSD

t

 

 

 

HD

DATA IO

NOTE 18

DATAIN

 

 

tHZOE

 

 

Notes

16.Data IO is high impedance if OE = VIH.

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

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

Document #: 001-43142 Rev. **

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Cypress CY62146ESL manual Write Cycle No 1 WE Controlled 12, 16