CY7C1444KV33

CY7C1445KV33

Document Number: 001-66678 Rev. *G

Page 9 of 22

Partial Truth Table for Read/Write

The Partial Truth Table for Read/Write for CY7C1444KV33 is as follows [7, 8].

Function (CY7C1444KV33)

GW

BWE

Read

H

H

XX

XX

Read

H

L

HH

HH

L

H

H

H

L

L

H

H

L

H

Write bytes B, A

H

L

H

H

L

L

L

H

L

H

H

Write bytes C, A

H

L

H

L

H

L

Write bytes C, B

H

L

H

L

L

H

Write bytes C, B, A

H

L

H

L

L

L

L

L

H

H

H

Write bytes D, A

H

L

L

H

H

L

Write bytes D, B

H

L

L

H

L

H

Write bytes D, B, A

H

L

L

H

L

L

Write bytes D, C

H

L

L

L

H

H

Write bytes D, C, A

H

L

L

L

H

L

Write bytes D, C, B

H

L

L

L

L

H

Write all bytes

H

LLL

LL

Write all bytes

L

X

X

X

X

X

Partial Truth Table for Read/Write

The Partial Truth Table for Read/Write for CY7C1445KV33 is as follows [7, 8].

Function (CY7C1445KV33)

GW

BWE

Read

H

H

X

X

Read

H

L

H

H

L

H

L

L

L

H

Write all bytes

H

L

L

L

Write all bytes

L

X

X

X

Notes

7. The DQ pins are controlled by the current cycle and the OE signal. OE is asynchronous and is not sampled with the clock.