8 INPUT NOR/OR GATE
M54HC4078 M74HC4078
8 INPUT NOR/OR GATE
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HIGH SPEED tPD = 13 ns (TYP.) AT VCC = 5 V LOW POWER DISSIPATI...
Description
M54HC4078 M74HC4078
8 INPUT NOR/OR GATE
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HIGH SPEED tPD = 13 ns (TYP.) AT VCC = 5 V LOW POWER DISSIPATION ICC = 1 µA (MAX.) AT TA = 25 °C HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE |IOH| = IOL = 4 mA (MIN.) BALANCED PROPAGATION DELAYS tPLH = tPHL WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V PIN AND FUNCTION COMPATIBLE WITH 4078B
B1R (Plastic Package)
F1R (Ceramic Package)
M1R (Micro Package)
C1R (Chip Carrier)
ORDER CODES : M54HC4078F1R M74HC4078M1R M74HC4078B1R M74HC4078C1R
DESCRIPTION The M54/74HC4078 is a high speed CMOS 8 INPUT NOR/OR GATE fabricated in silicon gate C2MOS technology. It has the same high speed performance of LSTTL combined with true CMOS low power consumption. All inputs are equipped with protection circuits against static discharge and transient excess voltage. PIN CONNECTIONS (top view)
INPUT AND OUTPUT EQUIVALENT CIRCUIT
NC = No Internal Connection
October 1992
1/9
M54/M74HC4078
TRUTH TABLE
INPUTS ALL INPUTS ”L” OTHER POSSIBILITIES OUTPUTS X H L Y L H
IEC LOGIC SYMBOL
PIN DESCRIPTION
PIN No 2, 3, 4, 5, 9, 10, 11, 12 1, 13 7 14 SYMBOL A to H Y, X GND VCC NAME AND FUNCTION Data Inputs Data Outputs Ground (0V) Positive Supply Voltage
SCHEMATIC CIRCUIT
ABSOLUTE MAXIMUM RATINGS
Symbol VCC VI VO IIK IOK ICC IO or IGND PD Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Source Sink ...
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