CY7C1041DV33

Switching Waveforms (continued)

 

 

 

Figure 9. Write Cycle No. 4 (WE Controlled, OE LOW)

 

tWC

 

 

ADDRESS

 

 

 

CE

tSCE

 

 

 

 

 

 

tAW

 

tHA

 

tSA

 

 

tPWE

 

 

 

 

WE

 

 

 

 

tBW

 

 

BHE, BLE

 

 

 

 

tHZWE

t

t

 

 

SD

HD

DATA IO

NOTE 21

 

 

 

 

 

tLZWE

Truth Table

 

CE

 

 

OE

 

 

WE

 

 

BLE

 

 

BHE

 

IO0–IO7

IO8–IO15

Mode

Power

 

H

 

 

X

 

 

X

 

X

 

 

X

 

High-Z

High-Z

Power Down

Standby (ISB)

 

L

 

 

L

 

 

H

 

L

 

 

L

 

Data Out

Data Out

Read All Bits

Active (ICC)

 

L

 

 

L

 

 

H

 

L

 

 

H

 

Data Out

High-Z

Read Lower Bits Only

Active (ICC)

 

L

 

 

L

 

 

H

 

H

 

 

L

 

High-Z

Data Out

Read Upper Bits Only

Active (ICC)

 

L

 

 

X

 

 

L

 

L

 

 

L

 

Data In

Data In

Write All Bits

Active (ICC)

 

L

 

 

X

 

 

L

 

L

 

 

H

 

Data In

High-Z

Write Lower Bits Only

Active (ICC)

 

L

 

 

X

 

 

L

 

H

 

 

L

 

High-Z

Data In

Write Upper Bits Only

Active (ICC)

 

L

 

 

H

 

 

H

 

X

 

 

X

 

High-Z

High-Z

Selected, Outputs Disabled

Active (ICC)

Document #: 38-05473 Rev. *E

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Cypress CY7C1041DV33 manual Truth Table, IO8-IO15 Mode Power, Data IO