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M54HC4049D1

TRIPLE 3 INPUT OR GATE

STMicroelectronics 

M54HC4049

RAD-HARD HEX BUFFER/CONVERTER (INVERTER)

s HIGH SPEED:

tPD = 8ns (TYP.) at VCC=6V

s LOW POWER DISSIPATION:

ICC = 1µA(MAX.) at TA=25°C

s HIGH NOISE IMMUNITY:

VNIH = VNIL = 28% VCC (MIN.)

s SYMMETRICAL OUTPUT IMPEDANCE:

|IOH| = IOL = 6mA (MIN)

s BALANCED PROPAGATION DELAYS:

tPLH ≅ tPHL

s WIDE OPERATING VOLTAGE RANGE:

VCC (OPR) = 2V to 6V

s PIN AND FUNCTION COMPATIBLE WITH

54 SERIES 4049

s SPACE GRADE-1: ESA SCC QUALIFIED

s 50 krad QUALIFIED, 100 krad AVAILABLE ON

REQUEST

s NO SEL UNDER HIGH LET HEAVY IONS

IRRADIATION

s DEVICE FULLY COMPLIANT WITH

SCC-9401-037

DESCRIPTION

The M54HC4049 is an high speed CMOS HEX

BUFFER (INVERTING) fabricated with silicon

gate C2MOS technology.

DILC-16

FPC-16

ORDER CODES

PACKAGE

FM

DILC

FPC

M54HC4049D

M54HC4049K

EM

M54HC4049D1

M54HC4049K1

The internal circuit is composed of 2 stage

inverters, which enables high noise immunity and

a stable output.

Input protection circuits are different from those of

the high speed CMOS IC’s.

The VCC side diodes are designed to allow

logic-level conversion from high-level voltages (up

to 13V) to low level voltages.

PIN CONNECTION

May 2004

Rev. 1

1/9

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