MM54HC73 MM74HC73 Dual Flip-Flops with Clear These Flip-Flops uti

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MM54HC73 MM74HC73 Dual Flip-Flops with Clear These Flip-Flops uti

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MM54HC73 MM74HC73 Dual Flip-Flops with Clear
MM54HC73 MM74HC73 Dual Flip-Flops with Clear
These Flip-Flops utilize advanced silicon-gate CMOS technology They possess high noise immunity power dissipation standard CMOS integrated circuits These devices drive LS-TTL loads These flip-flops edge sensitive clock input change state negative going transition clock pulse Each independent CLOCK CLEAR inputs outputs CLEAR independent clock accomplished level input 54HC 74HC logic family functionally well pinout compatible with standard 54LS 74LS logic family inputs protected from damage static discharge internal diode clamps ground
Features
Typical propagation delay Wide operating voltage range input current maximum quiescent current (74HC Series) High output drive LS-TTL loads
Connection Logic Diagrams
Dual-In-Line Package
Truth Table
Inputs Outputs
TOGGLE
View
5072-1
Order Number MM54HC73 MM74HC73
5072
5072
C1995 National Semiconductor Corporation
5072
RRD-B30M115 Printed
Absolute Maximum Ratings (Notes
Operating Conditions
Supply Voltage (VCC) Input Output Voltage (VIN VOUT) Operating Temp Range (TA) MM74HC MM54HC Input Rise Fall Times Units
Military Aerospace specified devices required please contact National Semiconductor Sales Office Distributors availability specifications Supply Voltage (VCC) Input Voltage (VIN) Output Voltage (VOUT) Clamp Diode Current (IIK IOK) Output Current (IOUT) Current (ICC) Storage Temperature Range (TSTG) Power Dissipation (PD) (Note Package only Lead Temperature (TL) (Soldering seconds)
1000
Electrical Characteristics (Note
Symbol Parameter Conditions lIOUTl Minimum High Level Input Voltage Maximum Level Input Voltage Minimum High Level Output Voltage
74HC eb40
54HC eb55
Units
Guaranteed Limits
lIOUTl lIOUTl Maximum Level Output Voltage lIOUTl
lIOUTl lIOUTl Maximum Input Current Maximum Quiescent Supply Current IOUT
Note Absolute Maximum Ratings those values beyond which damage device occur Note Unless otherwise specified voltages referenced ground Note Power Dissipation temperature derating plastic ``N'' package from ceramic ``J'' package from Note power supply worst case output voltages (VOH VOL) occur Thus values should used when designing with this supply Worst case occur respectively (The value worst case leakage current (IIN IOZ) occur CMOS higher voltage values should used limits currently tested above specification (30% VCC) will implemented later than CY'89
Electrical Characteristics
Symbol fMAX tPHL tPLH tPHL tPLH tREM Parameter Maximum Operating Frequency Maximum Propagation Delay Clock Maximum Propagation Delay Clear Minimum Removal Time Clear Clock Minimum Setup Time Clock Minimum Hold Time Clock Minimum Pulse Width Clock Clear
Conditions
Guaranteed Limit
Units
Electrical Characteristics
Symbol fMAX Parameter Maximum Operating Frequency Maximum Propagation Delay Clock Maximum Propagation Delay Clear Minimum Removal Time Clear Clock Minimum Setup Time Clock Minimum Hold Time from Clock Minimum Pulse Width Clock Clear Maximum Output Rise Fall Time Maximum Input Rise Fall Time Power Dissipation Capacitance (Note Maximum Input Capacitance (per flip-flop) Conditions
(unless otherwise specified)
74HC eb40 1000
54HC eb55 1000
Units
Guaranteed Limits 1000
tPHL tPLH
tPHL tPLH
tREM
tTLH tTHL
Note determines load dynamic power consumption VCC2 load dynamic current consumption
Typical Applications
Binary Ripple Counter with Enable Reset
5072
Shift Register with Clear
5072
MM54HC73 MM74HC73 Dual Flip-Flops with Clear
Physical Dimensions inches (millimeters)
Dual-In Line Package Order Number MM54HC73J MM74HC73J Package J14A
Dual-In Line Package Order Number MM74HC73N Package N14A NATIONAL'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL PRESIDENT NATIONAL SEMICONDUCTOR CORPORATION used herein LIFE SUPPORT POLICY Life support devices systems devices systems which intended surgical implant into body support sustain life whose failure perform when properly used accordance with instructions provided labeling reasonably expected result significant injury user
National Semiconductor Corporation 1111 West Bardin Road Arlington 76017 1(800) 272-9959 1(800) 737-7018
critical component component life support device system whose failure perform reasonably expected cause failure life support device system affect safety effectiveness
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National Semiconductor Japan 81-043-299-2309 81-043-299-2408
National does assume responsibility circuitry described circuit patent licenses implied National reserves right time without notice change said circuitry specifications

MM54HC73 MM74HC73 Dual Flip-Flops with Clear These Flip-Flops uti

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