MC74VCX162244DT 查看數據表（PDF） - Motorola => Freescale

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MC74VCX162244DT

Low-Voltage 1.8/2.5/3.3V 16-Bit Buffer

Motorola => Freescale 

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

Advance Information

Low-Voltage 1.8/2.5/3.3V

16-Bit Buffer

With 26Ω Series Resistors

3.6V-Tolerant Inputs and Outputs

(3-State, Non-Inverting)

MC74VCX162244

VCX

The MC74VCX162244 is an advanced performance, non–inverting

16–bit buffer. It is designed for very high–speed, very low–power

operation in 1.8V, 2.5V or 3.3V systems.

When operating at 2.5V (or 1.8V) the part is designed to tolerate

voltages it may encounter on either inputs or outputs when interfacing to

3.3V busses. It is guaranteed to be over–voltage tolerant to 3.6V.

The MC74VCX162244 is nibble controlled with each nibble functioning

identically, but independently. It is designed with 26Ω series resistors in

each of the outputs to reduce noise. 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.

• Designed for Low Voltage Operation: VCC = 1.8–3.6V

• 3.6V Tolerant Inputs and Outputs

• High Speed Operation: 3.3ns max for 3.0 to 3.6V

3.8ns max for 2.3 to 2.7V

5.7ns max for 1.8V

• Static Drive:

±12mA Drive at 3.0V

±8mA Drive at 2.3V

±4mA Drive at 1.8V

• Supports Live Insertion and Withdrawal

• IOFF Specification Guarantees High Impedance When VCC = 0V

• Near Zero Static Supply Current in All Three Logic States (20µA)

Substantially Reduces System Power Requirements

• Latchup Performance Exceeds ±300mA

• ESD Performance: Human Body Model >2000V; Machine Model >200V

LOW–VOLTAGE 1.8/2.5/3.3V

16–BIT BUFFER

WITH 26Ω SERIES RESISTORS

DT SUFFIX

48–LEAD PLASTIC TSSOP PACKAGE

CASE 1201–01

PIN NAMES

Pins

Function

OEn

D0–D15

O0–O15

Output Enable Inputs

Inputs

Outputs

This document contains information on a new product. Specifications and information herein are subject to

change without notice.

10/97

© Motorola, Inc. 1997

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