CD54HCT112F3A Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The CD54HCT112F3A is a dual J-K flip-flop IC from Texas Instruments, featuring set/reset and negative-edge triggering in the HCT high-speed CMOS logic family. Key specs: 20 MHz max frequency, 6 mA output low current, -55°C to 125°C operating range, 16-pin ceramic DIP package. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD54HCT112F3A 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 J-K flip-flop with asynchronous set and reset for flexible state control in sequential logic circuits
- Negative-edge triggered operation at up to 20 MHz enabling reliable high-speed digital designs
- Wide military-grade temperature range of -55°C to +125°C for extreme environment reliability
- HCT logic family with TTL-compatible inputs ensuring seamless interfacing with 5 V TTL systems
Applications
The CD54HCT112F3A is suited for high-reliability digital logic systems including counters, registers, and state machines in military, aerospace, and industrial control applications. Its negative-edge-triggered dual J-K flip-flop design makes it ideal for frequency division, clock gating, and synchronous data storage circuits. The ceramic DIP package and extended temperature range ensure long-term performance in harsh operating conditions.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | LG_MAX |
| Family | HCT |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 15pF |
| 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 | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 53ns |
| Propagation Delay (tpd) | 53ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 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 | 20MHz |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum operating frequency of the CD54HCT112F3A?
The CD54HCT112F3A supports a maximum operating frequency of 20 MHz at nominal supply voltage, making it suitable for high-speed digital logic applications such as counters, dividers, and synchronous sequential circuits.
What temperature range does the CD54HCT112F3A support?
The CD54HCT112F3A is rated for an operating temperature range of -55°C to +125°C, qualifying it for military and aerospace-grade applications where components must withstand extreme thermal environments.
What is the package type of the CD54HCT112F3A?
The CD54HCT112F3A uses a 16-pin Ceramic Dual In-Line Package (CDIP), which provides high mechanical strength and thermal conductivity, appropriate for high-reliability and rugged application environments.
Does the CD54HCT112F3A have set and reset capability?
Yes, the CD54HCT112F3A includes asynchronous active-low Set and Reset inputs on both J-K flip-flops, allowing immediate state override independent of the clock signal, which is essential for initialization and fault recovery in digital systems.
What logic family does the CD54HCT112F3A belong to?
The CD54HCT112F3A belongs to the HCT (High-Speed CMOS TTL-Compatible) logic family, which combines the low power consumption of CMOS with TTL-compatible input voltage thresholds for easy mixed-logic system integration.
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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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