CD54HC73F3A Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The CD54HC73F3A is a dual JK-type negative-edge-triggered flip-flop IC by Texas Instruments, housed in a 14-pin CDIP ceramic package. It operates up to 20 MHz with a load capacitance of 50 pF and belongs to the HC/UH logic family. Available from stock with worldwide shipping for reliable digital logic designs.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- CD54HC73F3A Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual JK-type flip-flop with negative-edge triggering for precise synchronous logic control
- High-speed operation up to 20 MHz, suitable for frequency dividers and state machine applications
- Ceramic 14-pin CDIP package offering superior reliability in harsh temperature environments
- HC/UH logic family ensuring low power consumption and broad supply voltage compatibility
Applications
The CD54HC73F3A is well-suited for digital logic circuits requiring synchronous state control, including frequency dividers, counters, and shift registers in telecommunications and industrial equipment. Its ceramic CDIP package makes it ideal for high-reliability applications such as military, aerospace, and ruggedized industrial electronics. It also finds use in programmable logic systems and legacy digital designs requiring JK flip-flop functionality.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | HC/UH |
| JESD-30 Code | R-GDIP-T14 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | J-K FLIP-FLOP |
| Max Frequency@Nom-Sup | 20000000Hz |
| Max I(ol) | 0.006A |
| Number of Bits | 2 |
| Number of Functions | 2 |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 48ns |
| Propagation Delay (tpd) | 240ns |
| Qualification Status | Not Qualified |
| Screening Level | 38535Q/M;38534H;883B |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Trigger Type | NEGATIVE EDGE |
| fmax-Min | 23MHz |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD54HC73F3A:
D Latch, HC/UH Series, 4-Func, High Level Triggered, 2-Bit, Complementary Output, CMOS, CDIP16
Frequently Asked Questions
What is the maximum operating frequency of the CD54HC73F3A?
The CD54HC73F3A supports a maximum operating frequency of 20 MHz at nominal supply voltage with a load capacitance of 50 pF, making it suitable for medium-speed digital logic applications such as frequency dividers and state machines.
What package does the CD54HC73F3A use?
The CD54HC73F3A is housed in a 14-pin CDIP (Ceramic Dual-In-Line Package), which provides excellent thermal and mechanical reliability compared to plastic packages, making it suitable for high-reliability and military-grade applications.
What logic family does the CD54HC73F3A belong to?
The CD54HC73F3A belongs to the HC/UH high-speed CMOS logic family, which offers low power consumption, wide supply voltage range, and high noise immunity, making it compatible with a broad range of digital logic systems.
What are typical applications for the CD54HC73F3A?
Typical applications include digital counters, frequency dividers, shift registers, and synchronous state machines in industrial control, telecommunications, and high-reliability aerospace or military electronics where JK flip-flop logic is required.
Is the CD54HC73F3A RoHS compliant?
Yes, the CD54HC73F3A is marked as Pb-free and meets RoHS compliance requirements, making it suitable for use in environmentally regulated markets and for products where lead-free manufacturing processes are mandated.
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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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