Cypress CY7C1019CV33 manual Truth Table, Write Cycle No WE Controlled, OE High During Write14

Page 6

CY7C1019CV33

Switching Waveforms (continued)

Write Cycle No. 2 (WE Controlled, OE HIGH During Write)[14, 15]

 

 

tWC

 

ADDRESS

 

 

 

 

 

tSCE

 

CE

 

 

 

 

tAW

 

tHA

 

tSA

tPWE

 

WE

 

 

 

OE

 

 

 

 

 

tSD

t

 

 

 

HD

DATA I/O

NOTE 16

DATAIN VALID

 

 

tHZOE

 

 

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

 

 

tWC

 

ADDRESS

 

 

 

 

 

tSCE

 

CE

 

 

 

 

tAW

 

tHA

 

tSA

tPWE

 

WE

 

 

 

 

 

tSD

tHD

DATA I/O

NOTE 16

DATA VALID

 

 

tHZWE

 

tLZWE

Truth Table

 

CE

 

 

OE

 

 

WE

 

I/O0–I/O7

Mode

Power

 

H

 

 

X

 

 

X

 

High Z

Power-Down

Standby (ISB)

 

L

 

 

L

 

 

H

 

Data Out

Read

Active (ICC)

 

L

 

 

X

 

 

L

 

Data In

Write

Active (ICC)

 

L

 

 

H

 

 

H

 

High Z

Selected, Outputs Disabled

Active (ICC)

Note:

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

Document #: 38-05130 Rev. *F

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Contents Pin Configuration FeaturesLogic Block Diagram Functional DescriptionPin Configuration1 Selection Guide Ball Vfbga Top ViewUnit Operating Range Electrical Characteristics Over the Operating RangeMaximum Ratings Capacitance3Parameter Description Unit Min Max Read Cycle Switching Characteristics Over the Operating Range5AC Test Loads and Waveforms4 Write Cycle 9Read Cycle No OE Controlled 12 Switching WaveformsRead Cycle No Write Cycle No CE Controlled14Write Cycle No WE Controlled, OE High During Write14 0-I/O Mode PowerTruth Table Write Cycle No WE Controlled, OE LOW15Package Diagrams Ordering InformationPin 400-Mil Molded SOJ Pin Tsop II Ball Vfbga 6 x 8 x 1 mm Issue Orig. Description of Change Date Document History