SNJ54AHC157J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The SNJ54AHC157J is a military-grade quadruple 2-line to 1-line multiplexer from Texas Instruments AHC logic family, selecting between two 4-bit data buses. It operates from 2 V to 5.5 V with a maximum clock frequency of operation and is housed in a ceramic 16-pin DIP for mil-spec reliability. Suitable for data bus selection in high-reliability digital logic designs.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54AHC157J Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $10.4900(MOQ 500)
- 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 SNJ54AHC157J?
- Quadruple 2-to-1 multiplexer with common select input for all four channels
- AHC family: 2 V to 5.5 V wide supply range with fast CMOS switching
- 8 mA output sink current compliant with standard logic loading specifications
- Ceramic DIP-16 package for mil-spec environmental and temperature requirements
- 50 pF load capacitance rating supporting standard bus interconnects
What is SNJ54AHC157J used for?
The SNJ54AHC157J is used in military-grade digital systems for data bus multiplexing, dual-source selection, and pipeline data path switching. It is common in avionics signal processing, radar data bus arbitration, and military embedded computing designs where a single control line selects between two 4-bit data inputs, operating reliably over the full military temperature range.
What are the specifications of SNJ54AHC157J?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | AHC/VHC/H/U/V |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | MULTIPLEXER |
| Max I(ol) | 0.008A |
| Number of Bits | 2 |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Number of Outputs | 1 |
| Output Polarity | TRUE |
| 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 |
| Prop. Delay@Nom-Sup | 9.5ns |
| Propagation Delay (tpd) | 15ns |
| Qualification Status | Not Qualified |
| 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 SNJ54AHC157J datasheet?
SNJ54AHC157J Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SNJ54AHC157J?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the SNJ54AHC157J perform data selection?
The SNJ54AHC157J contains four 2-to-1 multiplexer channels all controlled by a single common select input. When the select pin is low, all four outputs reflect the A-input data; when high, they reflect the B-input data. This allows simultaneous selection of a 4-bit data word from one of two independent sources using a single control signal.
What operating temperature range does the SNJ54AHC157J support?
The SNJ prefix indicates it is qualified for the full military temperature range of -55°C to +125°C. The ceramic DIP package provides hermetic sealing, maintaining reliable operation in high-humidity, high-vibration, and temperature-cycling environments found in avionics, military vehicles, and defense electronics.
What logic family is the SNJ54AHC157J based on?
It belongs to the AHC (Advanced High-speed CMOS) family, which provides TTL-compatible input thresholds and CMOS output levels. The AHC family offers faster switching speeds than standard HC logic while maintaining low static power consumption, making it suitable for high-performance military logic at supply voltages from 2 V to 5.5 V.
Is there a commercial-grade equivalent of the SNJ54AHC157J?
Yes. The commercial equivalent is the SN74AHC157 series, which is available in plastic SOIC and TSSOP packages. The SNJ54AHC157J uses the ceramic DIP package and military temperature screening required for mil-spec applications. Designers migrating from commercial to military-grade systems often use the SNJ54 variant without circuit modification.
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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
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 500+ | $11.8000 | $5900.00 |
| 1000+ | $11.1400 | $11140.00 |
| 10000+ | $10.4900 | $104900.00 |
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