SNJ54ALS257AJ Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The SNJ54ALS257AJ is a quadruple 2-bit 2-to-1 multiplexer from Texas Instruments in the ALS logic family, packaged in a 16-pin ceramic DIP. It features four independent 2-bit multiplexer channels with tri-state outputs and 12 mA output sink current, operating with 50 pF load capacitance. Designed for military and high-reliability digital data routing and bus-switching applications.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54ALS257AJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.0350(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Quadruple 2-bit 2-to-1 multiplexer with four independent channel pairs in one package
- Tri-state outputs allow safe connection to shared data buses without contention
- 12 mA output sink current (Max I(ol)) for robust bus drive capability
- 50 pF load capacitance rating for stable high-frequency switching operation
- Ceramic DIP-16 package (R-GDIP-T16) for superior reliability in harsh environments
- ALS family ensuring fast propagation delay with low quiescent power consumption
Applications
The SNJ54ALS257AJ is used in military, aerospace, and high-reliability industrial embedded systems for dual data path multiplexing and bus-switching applications. Its quad 2-bit channel configuration is ideal for memory address selection, data path steering, and signal routing in ruggedized digital systems requiring tri-state bus management.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | ALS |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | MULTIPLEXER |
| Max I(ol) | 0.012A |
| Number of Bits | 2 |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Number of Outputs | 1 |
| Output Characteristics | 3-STATE |
| 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) | 10mA |
| Prop. Delay@Nom-Sup | 12ns |
| Propagation Delay (tpd) | 14ns |
| 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
Compatible alternatives and drop-in replacements for SNJ54ALS257AJ:
Multiplexer, ALS Series, 4-Func, 2 Line Input, 1 Line Output, Inverted Output, TTL, CDIP16
Multiplexer, ALS Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, CDIP16
Multiplexer, ALS Series, 4-Func, 2 Line Input, 1 Line Output, Inverted Output, TTL, CDIP16
Frequently Asked Questions
What multiplexer configuration does the SNJ54ALS257AJ implement?
The SNJ54ALS257AJ is a quadruple 2-bit 2-to-1 multiplexer providing four independent pairs of 2-bit data selection channels. Each channel selects between two data inputs based on a common select control signal, enabling flexible digital data routing.
Does the SNJ54ALS257AJ support bus-sharing through tri-state outputs?
Yes, the SNJ54ALS257AJ features tri-state outputs on all four multiplexer channels. This allows multiple devices to share a common data bus, with individual chips selectively enabled or disabled to prevent signal contention in bus-oriented digital architectures.
What are the electrical and package specifications of the SNJ54ALS257AJ?
The SNJ54ALS257AJ provides a 12 mA maximum output sink current, 50 pF load capacitance rating, and is housed in a 16-pin ceramic DIP (R-GDIP-T16). The ceramic package ensures reliable performance in military and aerospace 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.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $8.0700 | $8.07 |
| 202+ | $4.4385 | $896.58 |
| 452+ | $4.0350 | $1823.82 |
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