74LVQ240M datasheet(1/8 Pages) STMICROELECTRONICS

Il numero della parte	74LVQ240M

Spiegazioni elettronici	LOW VOLTAGE OCTAL BUS BUFFER WITH 3 STATE OUTPUTS INVERTED

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74LVQ240

LOW VOLTAGE OCTAL BUS BUFFER

WITH 3 STATE OUTPUTS (INVERTED)

®

February 1999

ORDER CODES :

74LVQ240M

74LVQ240T

M

(Micro Package)

s

HIGH SPEED:

tPD = 6 ns (TYP.) at VCC =3.3V

s

COMPATIBLE WITH TTL OUTPUT

s

LOW POWER DISSIPATION:

ICC =4

µA (MAX.) at TA =25 oC

s

LOW NOISE:

VOLP = 0.4V (TYP.) at VCC = 3.3V

s

75

Ω TRANSMISSION LINE OUTPUT DRIVE

CAPABILITY

s

SYMMETRICAL OUTPUT IMPEDANCE:

|IOH|=IOL = 12 mA (MIN)

s

PCI BUS LEVELS GUARANTEED AT 24mA

s

BALANCED PROPAGATION DELAYS:

tPLH

≅ tPHL

s

OPERATING VOLTAGE RANGE:

VCC (OPR) = 2V to 3.6V (1.2VData Retention)

s

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 240

s

IMPROVED LATCH-UP IMMUNITY

DESCRIPTION

The LVQ240 is a low voltage CMOS OCTAL BUS

BUFFER fabricated with sub-micron silicon gate

and

double-layer

metal

wiring

C

2MOS

T

(TSSOP Package)

technology. It is ideal for low power and low noise

3.3V applications.

It has better speed performance at 3.3V than 5V

LSTTL family combined with the true CMOS low

power consumption.

G output control governs four BUS BUFFERs.

This device is designed to be used with 3 state

memory address drivers, etc.

All inputs

and

outputs are

equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

PIN CONNECTION AND IEC LOGIC SYMBOLS

1/8

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