器件名称:
M74HC4078C1R
功能描述:
8 INPUT NOR/OR GATE
文件大小:
233.97KB 共9页
简 介:
M54HC4078 M74HC4078 8 INPUT NOR/OR GATE . . . . . . . . HIGH SPEED tPD = 13 ns (TYP.) AT VCC = 5 V LOW POWER DISSIPATION ICC = 1 A (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 ……
