74LCX139_06 datasheet(1/17 Pages) STMICROELECTRONICS

Part #	74LCX139

Description	Low voltage CMOS Dual 2 to 4 decoder / demultiplexer

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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July 2006

Rev 4

1/17

17

74LCX139

Low voltage CMOS

Dual 2 to 4 decoder / demultiplexer

Features

■ 5V tolerant inputs

■ High speed:

–tPD = 6.2ns (Max) at VCC = 3V

■ Power down protection on inputs and outputs

■ Symmetrical output impedance:

–|IOH| = IOL = 24mA (Min) at VCC = 3V

■ PCI bus levels guaranteed at 24mA

■ Balanced propagation delays:

–tPLH ≅ tPHL

■ Operating voltage range:

–VCC (Opr) = 2.0V to 3.6V

■ Pin and function compatible with

74 series 139

■ Latch-up performance exceeds

500mA (JESD 17)

■ ESD performance:

– HBM > 2000V

(MIL STD 883 method 3015); MM > 200V

Description

The 74LCX139 is a low voltage CMOS dual 2 to 4

line Decoder / Demultiplexer fabricated with sub-

micron silicon gate and double-layer metal wiring

C2MOS technology.

It is ideal for low power and high speed 3.3V

applications; it can be interfaced to 5V signal

environment for inputs.

The active low enable input can be used for gating

or as a data input for demultiplexing applications.

While the enable input is held high, all four

outputs are high independently of the other

inputs.

It has same speed performance at 3.3V than 5V

AC/ACT family, combined with a lower power

consumption.

All inputs and outputs are equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

SO-16

TSSOP16

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Order codes

Part number

Package

Packaging

74LCX139MTR

SO-16

Tape and reel

74LCX139TTR

TSSOP16

Tape and reel

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74LCX139 Datasheet(PDF) 1 Page - STMicroelectronics

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