74lcxh162244 STMicroelectronics, 74lcxh162244 Datasheet

74lcxh162244

Manufacturer Part Number

74lcxh162244

Description

Low Voltage Cmos 16-bit Bus Buffer 3-state With 5v Tolerant Inputs And Outputs

Manufacturer

STMicroelectronics

Datasheet

1.74LCXH162244.pdf (10 pages)

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DESCRIPTION

The 74LCX162244 is a low voltage CMOS 16 BIT

BUS BUFFER (NON-INVERTED) fabricated with

sub-micron silicon gate and double-layer metal

wiring C

and high speed 3.3V applications; it can be

interfaced to 5V signal environment for both inputs

and outputs.

Any nG output control governs four BUS BUFF-

ERS. Output Enable input (nG) tied together gives

full 16-bit operation.

When nG is LOW, the outputs are on. When nG is

HIGH, the output are in high impedance state.

Active bus-hold circuitry is provided to hold un-

used or floating data inputs at a valid logic level.

This device is designed to be used with 3 state

memory address drivers, etc.

The device circuits is including 26

tance in the outputs. These resistors permit to re-

duce line noise in high speed applications.

All inputs and outputs are equipped with protec-

tion circuits against static discharge, giving them

2KV ESD immunity and transient excess voltage.

February 2003

OPERATING VOLTAGE RANGE:

5V TOLERANT INPUTS AND OUTPUTS

HIGH SPEED :

POWER DOWN PROTECTION ON INPUTS

AND OUTPUTS

SYMMETRICAL OUTPUT IMPEDANCE:

PCI BUS LEVELS GUARANTEED AT 12 mA

BALANCED PROPAGATION DELAYS:

Retention)

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES H162244

LATCH-UP PERFORMANCE EXCEEDS

500mA (JESD 17)

ESD PERFORMANCE:

HBM > 2000V (MIL STD 883 method 3015);

MM > 200V

BUS HOLD PROVIDED ON DATA INPUT

PLH

= 4.4 ns (MAX.) at V

| = I

(OPR) = 2.0V to 3.6V (1.5V Data

SERIE RESISTORS IN OUTPUTS

MOS technology. It is ideal for low power

LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE)

PHL

= 12mA (MIN) at V

WITH 5V TOLERANT INPUTS AND OUTPUTS

= 3V

series resis-

ORDER CODES

PIN CONNECTION

PACKAGE

TSSOP

74LCXH162244

TUBE

TSSOP

74LCXH162244TTR

T & R

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