Cypress CY62128EV30 manual Switching Waveforms continued

Models: CY62128EV30

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Switching Waveforms (continued)

CY62128EV30

Switching Waveforms (continued)

Figure 5. Write Cycle No. 2 (CE1 or CE2 controlled) [10, 14, 18, 19]

 

tWC

 

ADDRESS

 

 

CE

tSCE

 

 

 

 

tSA

 

 

tAW

tHA

 

tPWE

 

WE

 

 

 

tSD

tHD

DATA IO

DATA VALID

 

 

 

Figure 6. Write Cycle No. 3 (WE controlled, OE LOW) [10, 19]

 

 

tWC

 

ADDRESS

 

 

 

 

 

tSCE

 

CE

 

 

 

 

tAW

 

tHA

 

tSA

tPWE

 

WE

 

 

 

 

 

tSD

tHD

DATA IO

NOTE 20

DATA VALID

 

 

tHZWE

 

tLZWE

Table 2. Truth Table for CY62128EV30

CE1

CE2

WE

OE

Inputs/Outputs

Mode

Power

H

X

X

X

High Z

Deselect/Power Down

Standby (ISB)

X

L

X

X

High Z

Deselect/Power Down

Standby (ISB)

L

H

H

L

Data Out

Read

Active (ICC)

L

H

H

H

High Z

Output Disabled

Active (ICC)

L

H

L

X

Data in

Write

Active (ICC)

Document #: 38-05579 Rev. *D

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Cypress CY62128EV30 manual Switching Waveforms continued