Digital Integrated Circuit Chip

74LCX244

Low Voltage Buffer/Line Driver with 5V Tolerant Inputs and Outputs

General Description

The LCX244 contains eight non-inverting buffers with 3-STATE outputs. The device may be employed as a memory address driver, clock driver and bus-oriented transmitter/receiver. The LCX244 is designed for low voltage (2.5V or 3.3V) VCC applications with capability of interfacing to a 5V signal environment. The LCX244 is fabricated with an advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipation.

Features

■ 5V tolerant inputs and outputs

■ 2.3V to 3.6V VCC specifications provided

■ 6.5 ns tPD max (VCC 3.3V), 10 PA ICC max

■ Power down high impedance inputs and outputs

■ Supports live insertion/withdrawal (Note 1)

■ r24 mA output drive (VCC 3.0V)

■ Implements patented noise/EMI reduction circuitry

■ Latch-up performance exceeds 500 mA

■ ESD performance: Human body model ! 2000V Machine model ! 200V

■ Leadless DQFN Pb-Free package

Note 1: To ensure the high-impedance state during power up or down, OE should be tied to VCC through a pull-up resistor: the minimum value or the resistor is determined by the current-sourcing capability of the driver.

Absolute Maximum Ratings(Note 5)

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