Cypress CY7C1019BN Write Cycle No CE Controlled12, Data I/O Data Valid, Data I/O Data in Valid

Page 5

CY7C1019BN

Switching Waveforms (continued)

Write Cycle No. 1 (CE Controlled)[12, 13]

 

tWC

 

ADDRESS

 

 

 

tSCE

 

CE

 

 

tSA

 

 

tAW

tSCE

tHA

tPWE

 

 

WE

 

 

 

tSD

tHD

DATA I/O

DATA VALID

 

Write Cycle No. 2 (WE Controlled, OE HIGH During Write)[12, 13]

 

 

tWC

 

ADDRESS

 

 

 

 

 

tSCE

 

CE

 

 

 

 

tAW

 

tHA

 

tSA

tPWE

 

WE

 

 

 

OE

 

 

 

 

 

tSD

t

 

 

 

HD

DATA I/O

NOTE 14

DATAIN VALID

 

 

tHZOE

 

 

Notes:

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

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

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

Document #: 001-06425 Rev. **

Page 5 of 8

[+] Feedback

Page 4 Page 6
Image 5
Page 4 Page 6
Contents Logic Block Diagram Pin Configurations FeaturesFunctional Description Top ViewSelection Guide Electrical Characteristics Over the Operating RangeMaximum Ratings Operating RangeAC Test Loads and Waveforms Switching Characteristics4 Over the Operating RangeParameter Description Unit Min Max Read Cycle Write Cycle 7Data Retention Waveform Switching WaveformsParameter Description Conditions Min Max Unit Read Cycle NoWrite Cycle No WE Controlled, OE High During Write12 Write Cycle No CE Controlled12Data I/O Data Valid Data I/O Data in ValidTruth Table 0-I/O Mode PowerOrdering Information Write Cycle No WE Controlled, OE LOW13Pin Tsop II Package DiagramsPin 400-mil Molded SOJ Document History Issue Date Orig. Description of Change 423847New Data Sheet
Top Page Image Contents