Cypress CY62147DV30 manual Write Cycle No WE Controlled17, 21, Write Cycle No CE Controlled17, 21

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CY62147DV30

Switching Waveforms (continued)

Write Cycle No. 1 (WE Controlled)[17, 21, 22]

 

tWC

 

ADDRESS

 

 

CE

tSCE

 

 

 

tAW

 

tHA

tSA

tPWE

 

WE

 

 

BHE/BLE

tBW

 

OE

 

 

 

tSD

t

 

 

HD

DATA I/O

 

 

 

 

 

 

 

 

 

 

 

DATAIN

 

NOTE 23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tHZOE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Write Cycle No. 2 (CE Controlled)[17, 21, 22]

 

 

tWC

 

ADDRESS

 

 

 

 

 

tSCE

 

CE

 

 

 

 

tSA

 

tHA

 

tAW

 

WE

 

tPWE

 

 

 

 

BHE/BLE

 

tBW

 

OE

 

 

 

 

 

tSD

t

 

 

 

HD

DATA I/O

NOTE 23

DATAIN

 

 

tHZOE

 

 

Notes:

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

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

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

Document #: 38-05340 Rev. *F

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Contents Cypress Semiconductor Corporation FeaturesLogic Block Diagram Functional Description1Product Portfolio Pin Configuration2, 3Maximum Ratings Electrical Characteristics Over the Operating RangeOperating Range Data Retention Waveform13 Data Retention Characteristics Over the Operating Range Thermal Resistance10 AC Test Loads and Waveforms10Write Cycle Switching Characteristics Over the Operating Range1445 ns 55 ns 70 ns Parameter Description Min Min Max Unit Read CycleRead Cycle 1 Address Transition Controlled18 Switching WaveformsRead Cycle No OE Controlled19 Write Cycle No CE Controlled17, 21 Write Cycle No WE Controlled17, 21Data I/O Write Cycle No BHE/BLE Controlled, OE LOW22 Write Cycle No WE Controlled, OE LOW22DATAI/O Data Ordering Information Inputs/Outputs Mode PowerBHE BLE Ball Vfbga 6 x 8 x 1 mm Package DiagramPin Tsop II Document History Issue Date Orig. Description of ChangeREV ECN no