Cypress CY7C1019CV33 manual Switching Waveforms, Read Cycle No OE Controlled 12

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CY7C1019CV33

Switching Waveforms

Read Cycle No. 1[11, 12]

tRC

ADDRESS

tAA

tOHA

DATA OUT

PREVIOUS DATA VALID

DATA VALID

Read Cycle No. 2 (OE Controlled)[12, 13]

 

 

ADDRESS

 

 

 

 

 

tRC

 

CE

 

 

 

 

tACE

 

 

OE

 

tHZOE

 

 

tDOE

 

 

tHZCE

 

 

tLZOE

HIGH

DATA OUT

HIGH IMPEDANCE

DATA VALID

IMPEDANCE

 

 

 

tLZCE

tPD

 

VCC

tPU

ICC

SUPPLY

50%

 

50%

CURRENT

 

 

ISB

Write Cycle No. 1 (CE Controlled)[14, 15]

 

tWC

 

ADDRESS

 

 

 

tSCE

 

CE

 

 

tSA

 

 

tAW

tSCE

tHA

tPWE

 

 

WE

 

 

 

tSD

tHD

DATA I/O

DATA VALID

 

Notes:

11.Device is continuously selected. OE, CE = VIL.

12.WE is HIGH for read cycle.

13.Address valid prior to or coincident with CE transition LOW.

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

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

Document #: 38-05130 Rev. *F

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Contents Logic Block Diagram FeaturesPin Configuration Functional DescriptionUnit Pin Configuration1 Selection GuideBall Vfbga Top View Maximum Ratings Electrical Characteristics Over the Operating RangeOperating Range Capacitance3AC Test Loads and Waveforms4 Switching Characteristics Over the Operating Range5Parameter Description Unit Min Max Read Cycle Write Cycle 9Read Cycle No Switching WaveformsRead Cycle No OE Controlled 12 Write Cycle No CE Controlled14Truth Table 0-I/O Mode PowerWrite Cycle No WE Controlled, OE High During Write14 Write Cycle No WE Controlled, OE LOW15Pin 400-Mil Molded SOJ Package DiagramsOrdering Information Pin Tsop II Ball Vfbga 6 x 8 x 1 mm Document History Issue Orig. Description of Change Date