TC55V16256JI/FTI-12,-15

2002-01-07

4/11

OPERATING MODE

MODE

CE

OE

WE

LB

UB

I/O1 to I/O8

I/O9 to I/O16

POWER

L

L

Output

Output

H

L

High Impedance

Output

Read

L

L

H

L

H

Output

High Impedance

L

L

Input

Input

H

L

High Impedance

Input

Write

L

*

L

L

H

Input

High Impedance

L

H

H

*

*

Outputs Disable

L

*

*

H

H

High Impedance

High Impedance

Standby

H

*

*

*

*

High Impedance

High Impedance

* : Don’t care

Note:

The NU pin must be left unconnected or tied to GND or a voltage level of less than 0.8 V.

You must not apply a voltage of more than 0.8 V to the NU.