CY7C1009-15VCT(1998) Ver la hoja de datos (PDF) - Cypress Semiconductor

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CY7C1009-15VCT
(Rev.:1998)

128K x 8 Static RAM

Cypress Semiconductor 

Switching Waveforms (continued)

Write Cycle No. 3 (WE Controlled, OE LOW)[14]

ADDRESS

CE1

tWC

tSCE

CE2

tSA

WE

tSCE

tAW

tPWE

DATA I/O

NOTE 15

tHZWE

tSD

DATA VALID

Note:

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

Truth Table

CE1 CE2 OE WE

I/O0 – I/O7

H

X

X

X High Z

X

L

X

X High Z

L

H

L

H Data Out

L

H

X

L Data In

L

H

H

H High Z

Mode

Power-Down

Power-Down

Read

Write

Selected, Outputs Disabled

CY7C109

CY7C1009

tHA

tHD

tLZWE

109–9

Power

Standby (ISB)

Standby (ISB)

Active (ICC)

Active (ICC)

Active (ICC)

8

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