DESCRIPTION
The M54HC139 is an high speed DUAL TWO LINE TO FOUR LINE DECODER/DEMULTIPLEXER fabricated with silicon gate
C2MOS technology. 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. All inputs are equipped with protection circuits against static discharge and transient excess voltage.

■ HIGH SPEED: tPD= 13ns (TYP.) at VCC=6V
■ LOW POWER DISSIPATION: ICC=4µA(MAX.) at TA=25°C
■ HIGH NOISE IMMUNITY: VNIH=VNIL= 28% VCC(MIN.)
■ SYMMETRICAL OUTPUT IMPEDANCE : |IOH|=IOL=4mA(MIN)
■ BALANCED PROPAGATION DELAYS: tPLH≅tPHL
■ WIDE OPERATING VOLTAGE RANGE: VCC(OPR) = 2V to 6V
■ PIN AND FUNCTION COMPATIBLE WITH 54 SERIES 139
■ SPACE GRADE-1: ESA SCC QUALIFIED
■ 50 krad QUALIFIED, 100 krad AVAILABLE ON REQUEST
■ NO SEL UNDER HIGH LET HEAVY IONS IRRADIATION
■ DEVICE FULLY COMPLIANT WITH SCC-9205-017