SNJ54LS137J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
SNJ54LS137J is a military-grade 3-to-8 line decoder/demultiplexer from Texas Instruments with integrated address latches in a 16-pin ceramic DIP package. It supports latched inputs and active-low outputs with 4 mA sink current capability for reliable logic decoding. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54LS137J 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
Key Features
- 3-to-8 line decoder with integrated address latches enabling stable decoding without external latch logic components
- Military-grade SNJ54 series device rated for -55°C to +125°C operation ensuring reliability in harsh environment applications
- Active-low outputs with 4 mA sink current and 15 pF load capacitance rating compatible with LS-TTL logic families
- 16-pin ceramic DIP package providing superior hermeticity and long-term reliability for defense and aerospace applications
Applications
The SNJ54LS137J is designed for military, aerospace, and high-reliability industrial systems requiring address decoding and memory selection in extreme temperature environments from -55°C to +125°C. Its integrated address latches simplify bus interfacing in microprocessor-based systems by holding address lines stable during memory access cycles. The device is widely used in ruggedized embedded controllers, avionics computing modules, and defense communication equipment where ceramic packaging and military-grade screening are mandatory.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | ADDRESS LATCHES |
| Family | LS |
| Input Conditioning | LATCHED |
| JESD-30 Code | R-CDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 15pF |
| Logic IC Type | 3-LINE TO 8-LINE DECODER |
| Max I(ol) | 0.004A |
| Number of Functions | 1 |
| Output Polarity | INVERTED |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 18mA |
| Prop. Delay@Nom-Sup | 38ns |
| Propagation Delay (tpd) | 38ns |
| 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 | TTL |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the function of the SNJ54LS137J?
The SNJ54LS137J is a 3-to-8 line decoder/demultiplexer with address latches. It decodes a 3-bit binary input into one of eight active-low outputs, with on-chip latches that can hold the address inputs stable, making it ideal for memory decoding in microprocessor systems.
What temperature range does the SNJ54LS137J support?
As a military-grade SNJ54 series device, the SNJ54LS137J is rated for operation across -55°C to +125°C, making it suitable for aerospace, defense, and industrial applications subjected to extreme thermal environments.
What package does the SNJ54LS137J use?
The SNJ54LS137J is housed in a 16-pin ceramic DIP (Dual In-Line Package) with JESD-30 code R-CDIP-T16. The ceramic package provides hermetic sealing and superior reliability compared to plastic packages in harsh or high-humidity environments.
What logic family does the SNJ54LS137J belong to and what are its electrical characteristics?
The SNJ54LS137J belongs to the LS (Low-Power Schottky) TTL logic family, offering a balance of speed and power consumption. Its maximum output sink current (IOL) is 4 mA with a load capacitance rating of 15 pF, compatible with standard LS-TTL interfacing.
Can the SNJ54LS137J replace commercial 74LS137 decoders?
Yes, the SNJ54LS137J is functionally equivalent to the commercial 74LS137 but built to military specifications (MIL-STD screening). It offers the same 3-to-8 decoding with address latches while providing extended temperature range and higher reliability for demanding applications.
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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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