© 2000 Fairchild Semiconductor Corporation

DS500248

www.fairchildsemi.com

September 2000

Revised September 2000

74LCXH16244

Low Voltage 16-Bit Buffer/Line Driver with Bushold

General Description

The LCXH16244 contains sixteen non-inverting buffers

with 3-STATE outputs designed to be employed as a mem-

ory and address driver, clock driver, or bus oriented trans-

mitter/receiver. The device is nibble controlled. Each nibble

has separate 3-STATE control inputs which can be shorted

together for full 16-bit operation.

The LCXH16244 data inputs include active bushold cir-

cuitry, eliminating the need for external pull-up resistors to

hold unused or floating data inputs at a valid logic level.

The LCXH16244 is designed for low voltage (2.5V or 3.3V)

environment.

The LCXH16244 is fabricated with an advanced CMOS

technology to achieve high speed operation while maintain-

ing CMOS low power dissipation.

Features

s 5V tolerant control inputs and outputs

s Bushold on inputs eliminates the need for external

pull-up/pull-down resistors

s Power down high impedance inputs and outputs

s

±24 mA output drive (V

s Implements patented noise/EMI reduction circuitry

s Latch-up performance exceeds 500 mA

s ESD performance:

Human body model

> 2000V

Machine model

> 200V

Ordering Code:

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

Logic Symbol

Pin Descriptions

Order Number

Package Number

Package Description

74LCXH16244MEA

MS48A

48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300 Wide

74LCXH16244MTD

MTD48

48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Pin Names

Description

Output Enable Input (Active LOW)

Bushold Inputs

Outputs