SNJ54AHC123AJ Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
SNJ54AHC123AJ is a dual retriggerable monostable multivibrator by Texas Instruments in the AHC/VHC logic family, housed in a 16-pin ceramic DIP package rated for military temperature range. Key specs: edge-triggered from active-high or active-low gated inputs, 50pF load capacitance, 8mA output sink current. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54AHC123AJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $36.2600(MOQ 5)
- 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 SNJ54AHC123AJ?
- Dual retriggerable monostable multivibrator with independent trigger and reset inputs
- Edge-triggered from both active-high and active-low gated logic inputs for design flexibility
- AHC family offering high-speed CMOS performance with low power consumption
- Military-grade 16-pin ceramic DIP (CDIP) package for harsh environment reliability
- Schmitt trigger inputs on all timing-critical pins for improved noise immunity
What is SNJ54AHC123AJ used for?
The SNJ54AHC123AJ is used in military and high-reliability digital systems requiring precise pulse generation, timing delays, and debounce circuits. Its dual retriggerable design is well suited for watchdog timer circuits, pulse stretching applications, and edge-detection logic in ruggedized avionics, defense electronics, and industrial control systems.
What are the specifications of SNJ54AHC123AJ?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | EDGE TRIGGERED FROM ACTIVE-HIGH OR ACTIVE-LOW GATED LOGIC INPUTS |
| Family | AHC/VHC/H/U/V |
| 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) | 27.5ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | YES |
| Screening Level | MIL-PRF-38535 |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2V |
| 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 SNJ54AHC123AJ datasheet?
SNJ54AHC123AJ Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SNJ54AHC123AJ?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SNJ54AHC123AJ and how does it differ from commercial AHC123 variants?
The SNJ54AHC123AJ is a dual retriggerable monostable multivibrator from Texas Instruments' SNJ54 military-grade series. Unlike commercial SN74 variants, it is housed in a 16-pin ceramic DIP (CDIP) package with JESD-30 code R-GDIP-T16 and rated for the military temperature range of -55°C to +125°C, offering superior reliability for defense applications.
What triggering modes does the SNJ54AHC123AJ support?
The SNJ54AHC123AJ supports edge-triggered monostable triggering from both active-high (positive edge) and active-low (negative edge) gated logic inputs, providing flexible triggering options. Each monostable also includes an active-low clear input to terminate the output pulse before its natural timeout, allowing full control over timing sequences.
What output current and load capacitance specifications apply to the SNJ54AHC123AJ?
The SNJ54AHC123AJ has a maximum output sink current (I(ol)) of 8mA and is specified with a 50pF load capacitance for timing characterization. The output pulse width is set by an external resistor and capacitor connected to the timing pins, providing wide adjustment range from nanoseconds to seconds.
Is the SNJ54AHC123AJ RoHS compliant and what is its lifecycle status?
Yes, the SNJ54AHC123AJ carries a Pbfree Code of Yes indicating lead-free construction and RoHS compliance. The device is available in active production status from Texas Instruments, with the ceramic CDIP package suitable for applications requiring long-term availability and military-level environmental qualification.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 2026
Why Buy from FindMyChip
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
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $56.6600 | $283.30 |
| 500+ | $40.8000 | $20400.00 |
| 1000+ | $38.5300 | $38530.00 |
| 10000+ | $36.2600 | $362600.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit