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Truth table, Switching waveforms – Cypress CY62138FV30 User Manual

Page 7

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Document #: 001-08029 Rev. *E

Page 7 of 13

CY62138FV30 MoBL

®

Write Cycle No. 2 (CE1 or CE2 controlled)

[10, 14, 18, 19]

Write Cycle No. 3 (WE controlled, OE LOW)

[10, 19]

Truth Table

CE

1

CE

2

WE

OE

Inputs/Outputs

Mode

Power

H

X

X

X

High-Z

Deselect/Power Down

Standby (I

SB

)

X

L

X

X

High-Z

Deselect/Power Down

Standby (I

SB

)

L

H

H

L

Data Out

Read

Active (I

CC

)

L

H

H

H

High-Z

Output Disabled

Active (I

CC

)

L

H

L

X

Data in

Write

Active (I

CC

)

Switching Waveforms

(continued)

t

WC

DATA VALID

t

AW

t

SA

t

PWE

t

HA

t

HD

t

SD

t

SCE

ADDRESS

CE

DATA IO

WE

DATA VALID

t

HD

t

SD

t

LZWE

t

PWE

t

SA

t

HA

t

AW

t

SCE

t

WC

t

HZWE

ADDRESS

CE

WE

DATA IO

NOTE 20

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