SNJ54ALS138AJ Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The SNJ54ALS138AJ is a 3-line to 8-line decoder and demultiplexer from Texas Instruments, designed specifically for high-speed memory decoding and data transmission systems. It features two active-low enable inputs and one active-high enable input, with Schottky-clamped transistors in the ALS family for fast operation. Housed in a 16-pin ceramic DIP package, it supports military-grade -55°C to 125°C temperature range.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54ALS138AJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $17.9025(MOQ 1)
- 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 SNJ54ALS138AJ?
- 3-to-8 line decoder/demultiplexer with fully decoded outputs for memory address decoding
- 2 active-low and 1 active-high enable inputs for flexible circuit design
- Advanced Low-power Schottky (ALS) technology for high-speed, low-power operation
- Military-grade ceramic DIP-16 package rated for -55°C to 125°C
- Output sink current of 4 mA per channel for driving logic loads
- Propagation delay of approximately 5 ns typical for fast memory decoding
What is SNJ54ALS138AJ used for?
The SNJ54ALS138AJ is primarily used in military and aerospace systems for high-speed memory address decoding, chip select generation, and data demultiplexing. It is also found in industrial control systems, programmable logic controllers, and high-reliability computing platforms requiring guaranteed performance over wide temperature ranges.
What are the specifications of SNJ54ALS138AJ?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | 2 ACTIVE-LOW AND 1 ACTIVE-HIGH ENABLE INPUT, SCHOTTKY-CLAMPED FOR HIGH PERFORMANCE |
| Family | ALS |
| Input Conditioning | STANDARD |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | 3-LINE TO 8-LINE DECODER |
| Max I(ol) | 0.004A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Characteristics | OPEN-COLLECTOR |
| Output Polarity | INVERTED |
| 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) | 10mA |
| Prop. Delay@Nom-Sup | 22ns |
| Propagation Delay (tpd) | 28ns |
| 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 |
Where can I find the SNJ54ALS138AJ datasheet?
SNJ54ALS138AJ Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SNJ54ALS138AJ?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the function of the SNJ54ALS138AJ and where is it used?
The SNJ54ALS138AJ is a 3-to-8 line decoder and demultiplexer. It takes a 3-bit binary input and activates one of eight output lines, making it ideal for memory address decoding, chip select generation, and data routing in high-speed digital systems and memory subsystems.
What enable inputs does the SNJ54ALS138AJ have?
The SNJ54ALS138AJ has three enable inputs: two active-low inputs (G2A and G2B) and one active-high input (G1). All three must be in their active state simultaneously to enable the decoder outputs, providing flexible gating capability for complex logic designs.
What is the operating temperature range of the SNJ54ALS138AJ?
As a military-grade SNJ-prefix device, the SNJ54ALS138AJ is rated for the full military temperature range of -55°C to 125°C and is qualified to MIL-PRF-38510 standards, making it suitable for defense and aerospace applications.
Is the SNJ54ALS138AJ available in a lead-free package?
Yes, the SNJ54ALS138AJ carries JESD-609 code e0, indicating a lead-free termination finish. The 16-pin ceramic DIP package (JEDEC R-GDIP-T16) provides excellent hermeticity and thermal stability for mil-spec environments.
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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 |
|---|---|---|
| 1+ | $21.7733 | $21.77 |
| 5+ | $19.3540 | $96.77 |
| 14+ | $17.9025 | $250.63 |
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