SNJ54AHCT14J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The SNJ54AHCT14J is a hex Schmitt-trigger inverter from Texas Instruments in the 54AHCT military logic family, featuring six independent single-input inverting channels with Schmitt-trigger hysteresis. It operates on a 5V supply with TTL-compatible inputs, housed in a 14-pin ceramic DIP package, making it suitable for noise-immune signal conditioning in military and high-reliability applications.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54AHCT14J Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $10.0600(MOQ 19)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SNJ54AHCT14J?
- Six independent Schmitt-trigger inverting channels in one package
- Hysteresis at inputs for noise-immune digital signal conditioning
- AHCT logic family: 5V supply with TTL-compatible input thresholds
- 50pF load capacitance for driving standard logic loads
- 14-pin ceramic DIP (CDIP) package for high-reliability environments
- Military temperature range qualification (54-series)
What is SNJ54AHCT14J used for?
The SNJ54AHCT14J is used in military-grade and high-reliability electronic systems for clean signal inversion and noise rejection on slow-rise-time or noisy input signals. It is ideal for oscillator circuits, switch debouncing, signal level shifting, and digital filtering in aerospace avionics, defense electronics, and industrial equipment requiring 54-series military logic qualification.
What are the specifications of SNJ54AHCT14J?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | AHCT/VHCT/VT |
| JESD-30 Code | R-GDIP-T14 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | INVERTER |
| Max I(ol) | 0.008A |
| Number of Functions | 6 |
| Number of Inputs | 1 |
| 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) | 0.02mA |
| Prop. Delay@Nom-Sup | 9ns |
| Propagation Delay (tpd) | 9ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | YES |
| 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 | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the SNJ54AHCT14J datasheet?
SNJ54AHCT14J Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SNJ54AHCT14J?
Compatible alternatives and drop-in replacements for SNJ54AHCT14J:
D Flip-Flop, AHCT/VHCT/VT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, CDIP14
D Flip-Flop, AHC/VHC/H/U/V Series, 2-Func, Positive Edge Triggered, Complementary Output, CMOS, CDIP14
Frequently Asked Questions
What is the Schmitt-trigger feature in the SNJ54AHCT14J?
The SNJ54AHCT14J incorporates Schmitt-trigger hysteresis at each of its six inputs. This means the switching threshold differs depending on whether the input signal is rising or falling, providing a defined hysteresis window that rejects noise and prevents multiple output transitions from slowly changing or noisy input signals, improving reliability in noisy environments.
What logic family does the SNJ54AHCT14J belong to?
The SNJ54AHCT14J belongs to the AHCT (Advanced High-Speed CMOS with TTL inputs) logic family, part of the 54-series military logic specification. It operates from a 5V supply and accepts TTL-compatible input voltage levels, making it interoperable with both CMOS and TTL logic systems in military and aerospace digital circuit designs.
What is the difference between the 54-series and 74-series logic designation?
The 54-series designation (as in SNJ54AHCT14J) indicates that the device meets military temperature range specifications, typically -55°C to +125°C, compared to the commercial 74-series range of 0°C to +70°C or industrial range of -40°C to +85°C. The 54-series also undergoes additional screening and qualification procedures for use in defense and aerospace applications.
What package does the SNJ54AHCT14J use?
The SNJ54AHCT14J is housed in a 14-pin ceramic DIP (CDIP) package, identified by the JESD-30 code R-GDIP-T14. Ceramic packages provide hermetic sealing and superior environmental protection compared to plastic packages, making them the preferred choice for military, aerospace, and high-reliability industrial applications requiring long-term mechanical and thermal stability.
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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.
More from Texas Instruments
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| 19+ | $15.7300 | $298.87 |
| 500+ | $11.3200 | $5660.00 |
| 1000+ | $10.6900 | $10690.00 |
| 10000+ | $10.0600 | $100600.00 |
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