M54HC279 ST Microelectronics, M54HC279 Datasheet

M54HC279

Manufacturer Part Number

M54HC279

Description

QUAD S - R LATCH

Manufacturer

ST Microelectronics

Datasheet

1.M54HC279.pdf (10 pages)

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DESCRIPTION

The M54/74HC279 is a high speed CMOS QUAD S

- R LATCH fabricated in silicon gate C

nology. It has the same high speed performance of

LSTTL combined with true CMOS low power con-

sumption.

All inputs are equipped with protection circuits

against static discharge and transient excess volt-

age.

INPUT AND OUTPUT EQUIVALENT CIRCUIT

March 1993

HIGH SPEED

LOW POWER DISSIPATION

HIGH NOISE IMMUNITY

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

BALANCED PROPAGATION DELAYS

WIDE OPERATING VOLTAGE RANGE

PIN AND FUNCTION COMPATIBLE

WITH 54/74LS279

PLH

NIH

= 12 ns (TYP.) AT V

= 2 A (MAX.) AT T

= t

(OPR) = 2 V TO 6 V

= V

= I

PHL

NIL

= 28 % V

= 4 mA (MIN.)

(MIN.)

= 25 C

= 5 V

MOS tech-

NC =

No Internal

Connecti o n

(Plastic Package)

(Micro Package)

M54HC279F1R

M74HC279B1R

PIN CONNECTIONS (top view)

M1R

B1R

ORDER CODES :

QUAD S - R LATCH

M74HC279

M54HC279

M74HC279M1R

M74HC279C1R

(Ceramic Package)

(Chip Carrier)

C1R

F1R

1/10

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