74LCX125MTR datasheet(1/12 Pages) STMICROELECTRONICS

Part #	74LCX125MTR

Description	LOW VOLTAGE CMOS QUAD BUS BUFFER (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS

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September 2004

s

5V TOLERANT INPUTS AND OUTPUTS

s

HIGH SPEED:

tPD = 5.2 ns (MAX.) at VCC = 3V

s

POWER DOWN PROTECTION ON INPUTS

AND OUTPUTS

s

SYMMETRICAL OUTPUT IMPEDANCE:

|IOH| = IOL = 24mA (MIN) at VCC = 3V

s

PCI BUS LEVELS GUARANTEED AT 24 mA

s

BALANCED PROPAGATION DELAYS:

tPLH ≅ tPHL

s

OPERATING VOLTAGE RANGE:

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

Retention)

s

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 125

s

LATCH-UP PERFORMANCE EXCEEDS

500mA (JESD 17)

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ESD PERFORMANCE:

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

MM > 200V

DESCRIPTION

The 74LCX125 is a low voltage CMOS QUAD

BUS BUFFER 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 both inputs and outputs.

The device requires the 3-STATE control input G

to be set high to place the output in to the high

impedance state.

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.

74LCX125

LOW VOLTAGE CMOS QUAD BUS BUFFER (3-STATE)

WITH 5V TOLERANT INPUTS AND OUTPUTS

Figure 1: Pin Connection And IEC Logic Symbols

Table 1: Order Codes

PACKAGE

T & R

SOP

74LCX125MTR

TSSOP

74LCX125TTR

TSSOP

SOP

Rev. 5

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