SNJ54LS181J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
SNJ54LS181J is a 4-bit arithmetic logic unit from Texas Instruments capable of 16 logic and arithmetic operations in a military-grade 24-pin CDIP package. Features internal carry and higher-order lookahead with 15 pF load capacitance. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54LS181J Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $22.1599(MOQ 10)
- 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 SNJ54LS181J?
- 4-bit ALU supporting 16 distinct arithmetic and logic operations with internal carry lookahead for high-speed computation
- Military-grade 54-series qualification in hermetic 24-pin ceramic DIP package for high-reliability aerospace and defense applications
- LS-family Bipolar TTL logic with true output polarity and 8 mA sink current, compatible with standard LS TTL system designs
What is SNJ54LS181J used for?
SNJ54LS181J is designed for high-reliability military and aerospace computing systems requiring a robust 4-bit arithmetic logic unit capable of performing 16 logic and arithmetic operations. Its internal carry lookahead capability makes it suitable for cascading multiple ALU units to build wider data paths in rugged embedded processors. The hermetic ceramic DIP-24 package and 54-series temperature rating make it appropriate for avionics, radar, and defense electronics operating in harsh environments.
What are the specifications of SNJ54LS181J?
| YTEOL | 15 |
| Additional Feature | CAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEAD |
| Family | LS |
| JESD-30 Code | R-GDIP-T24 |
| Load Capacitance (CL) | 15pF |
| Logic IC Type | ARITHMETIC LOGIC UNIT |
| Max I(ol) | 0.008A |
| Number of Bits | 4 |
| Number of Functions | 4 |
| Output Polarity | TRUE |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP24,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power Supply Current-Max (ICC) | 35mA |
| Prop. Delay@Nom-Sup | 62ns |
| Propagation Delay (tpd) | 62ns |
| 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 Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| 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 SNJ54LS181J datasheet?
SNJ54LS181J Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SNJ54LS181J?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many arithmetic and logic operations can SNJ54LS181J perform and what is its data width?
SNJ54LS181J is a 4-bit ALU capable of performing 16 distinct arithmetic operations and 16 logic operations, totaling 32 functional modes. It includes internal carry and higher-order lookahead circuitry, enabling low-latency cascading of multiple 4-bit slices to build 8-bit, 16-bit, or wider arithmetic units.
What temperature range and package does SNJ54LS181J target, and is it suitable for aerospace applications?
SNJ54LS181J is a 54-series device housed in a hermetic 24-pin ceramic dual-in-line (CDIP) package rated for extended military temperature ranges. The ceramic packaging and 54-series qualification meet the reliability demands of aerospace, avionics, and defense systems where operating temperatures can span from -55 degrees C to +125 degrees C.
What is the load capacitance spec of SNJ54LS181J and how does it affect system-level timing budget?
SNJ54LS181J specifies a 15 pF load capacitance (CL) and a maximum IOL sink current of 8 mA. These parameters define the drive strength and propagation delay margins when interfacing with LS-TTL bus loads, and designers must account for this capacitance when budgeting setup and hold times in multi-chip ALU configurations operating at frequencies above 10 MHz.
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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 |
|---|---|---|
| 10+ | $24.2703 | $242.70 |
| 25+ | $23.2151 | $580.38 |
| 50+ | $22.1599 | $1108.00 |
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