SNJ54AHCT123AJ Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The SNJ54AHCT123AJ is a dual monostable multivibrator IC from Texas Instruments in the AHCT logic family, housed in a 16-pin ceramic DIP package. It provides edge-triggered pulse generation from active-high or active-low inputs with 50 pF load drive. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54AHCT123AJ 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
What are the key features of SNJ54AHCT123AJ?
- Dual monostable multivibrator with edge triggering from both active-high and active-low gated logic inputs for flexible pulse generation
- AHCT family logic with 8 mA output drive current supporting standard CMOS and TTL-compatible loads at 50 pF
- Hermetic 16-pin ceramic DIP package rated for military temperature range ensuring reliability in harsh-environment applications
What is SNJ54AHCT123AJ used for?
The SNJ54AHCT123AJ is used in digital timing circuits, pulse-width generation, and debouncing applications in military and aerospace electronics requiring precise monostable pulse control. Its dual-channel architecture with active-high and active-low trigger inputs suits signal conditioning, delay line, and event stretching logic in rugged embedded systems.
What are the specifications of SNJ54AHCT123AJ?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | EDGE TRIGGERED FROM ACTIVE-HIGH OR ACTIVE-LOW GATED LOGIC INPUTS |
| Family | AHCT/VHCT/VT |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | MONOSTABLE MULTIVIBRATOR |
| Max I(ol) | 0.008A |
| Number of Bits | 2 |
| Number of Data/Clock Inputs | 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) | 0.04mA |
| Propagation Delay (tpd) | 14ns |
| Qualification Status | Not Qualified |
| 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 SNJ54AHCT123AJ datasheet?
SNJ54AHCT123AJ Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SNJ54AHCT123AJ?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the SNJ54AHCT123AJ generate output pulses, and what trigger polarities does it support?
The SNJ54AHCT123AJ is a dual monostable multivibrator that generates output pulses on either rising or falling edges depending on which gated input is used. It supports both active-high and active-low trigger inputs, enabling flexible pulse width generation in digital timing circuits with standard 50 pF load capacitance.
What output drive current does the SNJ54AHCT123AJ provide for driving downstream logic?
The SNJ54AHCT123AJ provides a maximum output low current of 8 mA, sufficient to drive standard CMOS and TTL inputs in the AHCT logic family. This 8 mA drive level supports up to 4 standard LSTTL loads while maintaining 50 pF load capacitance specifications across the full operating temperature range.
For what military or space applications is the SNJ54AHCT123AJ best qualified?
The SNJ54AHCT123AJ is qualified in a hermetic ceramic DIP package with military-grade temperature rating, making it suitable for avionics signal timing, satellite command decoders, and defense system digital pulse control. Its AHCT family low power consumption reduces thermal management requirements in sealed military enclosures.
How does the ceramic DIP package of SNJ54AHCT123AJ differ from plastic AHCT packages for reliability?
The ceramic DIP package of SNJ54AHCT123AJ provides hermetic sealing against moisture ingress, unlike plastic DIP or SOIC packages rated for only commercial 0°C to 70°C ranges. This hermetic ceramic construction extends component life by decades in high-humidity or temperature-cycling environments where plastic packages would degrade.
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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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