SNJ54LS03J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
Texas Instruments SNJ54LS03J is a quad 2-input open-collector NAND gate in the 54LS TTL logic family, housed in a 14-pin ceramic DIP package. Provides 4 independent gates with 15 pF load capacitance. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54LS03J Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.0000(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 SNJ54LS03J?
- Quad 2-input NAND gate with open-collector outputs enabling wired-AND bus configurations
- 54LS military-grade series with ceramic DIP-14 package for high-reliability environments
- 4 mA maximum low output current with 15 pF load capacitance for stable TTL logic interfacing
What is SNJ54LS03J used for?
The SNJ54LS03J is used in military and aerospace digital logic designs where ceramic packaging and the 54-series temperature range ensure reliable operation in harsh environments. Its open-collector outputs are particularly useful for implementing wired-AND bus logic and driving indicator LEDs or optocouplers directly from the gate outputs. The quad configuration provides 4 independent NAND functions in a single 14-pin package, reducing component count in glue logic and control plane circuits.
What are the specifications of SNJ54LS03J?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | LS |
| JESD-30 Code | R-GDIP-T14 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 15pF |
| Logic IC Type | NAND GATE |
| Max I(ol) | 0.004A |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Output Characteristics | OPEN-COLLECTOR |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 4.4mA |
| Prop. Delay@Nom-Sup | 32ns |
| Propagation Delay (tpd) | 28ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Screening Level | 38535Q/M;38534H;883B |
| 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 SNJ54LS03J datasheet?
SNJ54LS03J Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SNJ54LS03J?
Compatible alternatives and drop-in replacements for SNJ54LS03J:
Frequently Asked Questions
What makes SNJ54LS03J suitable for military-grade and high-reliability digital logic designs?
The SNJ54LS03J is qualified to the 54-series military temperature range and packaged in a hermetically sealed ceramic DIP-14 package, providing the environmental durability and temperature stability required for aerospace, defense, and industrial control systems operating in extreme conditions.
How do the open-collector outputs of SNJ54LS03J enable wired-AND bus configurations?
Because the SNJ54LS03J features open-collector outputs, multiple gate outputs can be tied together on a common bus with a single pull-up resistor, creating a wired-AND function where the bus goes low if any output is asserted, which is useful for interrupt lines and multi-master signaling with only 4 mA maximum low output current per gate.
What load capacitance specification does SNJ54LS03J support and how does it affect fan-out in TTL systems?
The SNJ54LS03J is specified with a 15 pF load capacitance, which is consistent with standard LS TTL fan-out loading requirements, allowing the gate to drive multiple standard 74LS or 54LS inputs within its 4 mA output current rating without requiring additional line drivers.
How many independent NAND functions does SNJ54LS03J provide and when does that reduce BOM count?
The SNJ54LS03J contains 4 independent 2-input NAND gates in a single 14-pin DIP package, meaning one device can replace 4 separate single-gate ICs in glue logic circuits, cutting BOM line count and board space in control plane or state-machine designs.
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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+ | $5.5500 | $5.55 |
| 3+ | $5.0000 | $15.00 |
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