SNJ54ALS112AJ Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The SNJ54ALS112AJ is a dual J-K negative-edge-triggered flip-flop from Texas Instruments in the ALS logic family with asynchronous clear and preset controls, rated for the full military temperature range of -55°C to 125°C. It supports clock frequencies up to 25 MHz and is housed in a 16-pin ceramic DIP for high-reliability military and aerospace applications. Ideal for sequential logic, counters, and register designs in ruggedized avionics and defense electronic systems.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54ALS112AJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $10.4200(MOQ 1)
- 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 negative-edge-triggered flip-flop with asynchronous clear and preset controls
- Military-grade ceramic DIP-16 (CDIP) package for hermetic, high-reliability operation
- ALS logic family for low-power TTL-compatible operation in military systems
- Maximum clock frequency of 25 MHz for medium-speed sequential logic applications
- Full military temperature range -55°C to 125°C for harsh environment deployment
- Lead-free compliant (JESD-609 e0) ceramic hermetic package
Applications
The SNJ54ALS112AJ is used in military avionics, satellite control electronics, and space-grade systems where dual J-K flip-flops with hermetic ceramic packaging are required for long-term reliability under extreme temperature and environmental conditions. It serves as a fundamental building block for synchronous counters, state machines, and data registers in military-grade digital circuit designs. Defense radar systems, ground support equipment, and secure communications hardware also rely on 54-series ALS components for their proven reliability and conformance to military procurement specifications.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | ALS |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | J-K FLIP-FLOP |
| Max Frequency@Nom-Sup | 25000000Hz |
| Max I(ol) | 0.0004A |
| 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) | 4mA |
| Prop. Delay@Nom-Sup | 18ns |
| Propagation Delay (tpd) | 24ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Screening Level | MIL-PRF-38535 |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| 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 | 34MHz |
| 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 temperature range of the SNJ54ALS112AJ?
The SNJ54ALS112AJ is rated for the full military temperature range of -55°C to 125°C, meeting the requirements of MIL-spec 54-series digital logic components. This wide temperature capability ensures reliable operation in avionics, military ground vehicles, and space applications where commercial-grade components would fail due to temperature extremes.
What logic function does the SNJ54ALS112AJ perform?
The SNJ54ALS112AJ implements two independent J-K negative-edge-triggered flip-flops, each with J, K, clock, asynchronous clear (CLR), and asynchronous preset (PRE) inputs, plus complementary Q and Q-bar outputs. The J-K flip-flop is a universal sequential logic element that can be configured for toggle, set, reset, and hold operations depending on the J and K input states at the active clock edge.
What package does the SNJ54ALS112AJ use?
The SNJ54ALS112AJ is housed in a 16-pin ceramic DIP (CDIP) package, designated JESD-30 R-GDIP-T16. The ceramic DIP provides hermetic sealing that protects the die from moisture, temperature cycling, vibration, and corrosive atmospheres — all essential properties for components used in military and space-grade electronic assemblies with decades-long operational lifetimes.
What is the maximum clock frequency of the SNJ54ALS112AJ?
The SNJ54ALS112AJ supports a maximum clock frequency of 25 MHz at nominal supply voltage, which is consistent with the ALS (Advanced Low-power Schottky) TTL logic family's performance characteristics. This speed is sufficient for many sequential logic, counter, and register applications in digital control systems that do not require the higher frequencies of CMOS or ECL logic families.
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About Texas Instruments
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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $12.3750 | $12.38 |
| 3+ | $11.5500 | $34.65 |
| 7+ | $11.0000 | $77.00 |
| 10000+ | $10.4200 | $104200.00 |
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