MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

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Low-Voltage CMOS

16-Bit Buffer

With 5V-Tolerant Inputs and Outputs

(3-State, Inverting)

The MC74LCX16240A is a high performance, inverting 16–bit buffer

operating from a 2.7 to 3.6V supply. The device is nibble controlled. Each

nibble has separate Output Enable inputs which can be tied together for

full 16–bit operation. High impedance TTL compatible inputs significantly

reduce current loading to input drivers while TTL compatible outputs offer

improved switching noise performance. A VI specification of 5.5V allows

MC74LCX16240A inputs to be safely driven from 5V devices. The

LCX16240A is suitable for memory address driving and all TTL level bus

oriented transceiver applications.

Current drive capability is 24mA at the outputs. The Output Enable

(OEn) inputs, when HIGH, disable the outputs by placing them in a HIGH

Z condition.

Substantially Reduces System Power Requirements

The MC74LCX16240A contains sixteen inverting buffers with 3–state

5V–tolerant outputs. The device is nibble controlled with each nibble

functioning identically, but independently. The control pins may be tied

together to obtain full 16–bit operation. The 3–state outputs are controlled

by an Output Enable (OEn) input for each nibble. When OEn is LOW, the

outputs are on. When OEn is HIGH, the outputs are in the high

impedance state.

MC74LCX16240A

LOW–VOLTAGE

CMOS 16–BIT BUFFER

DT SUFFIX

PLASTIC TSSOP PACKAGE

CASE 1201–01

PIN NAMES

Function

Output Enable Inputs

Inputs

Outputs

Pins

OEn

D0–D15

O0–O15