SNJ54HC126J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The SNJ54HC126J is a quad bus buffer and line driver from Texas Instruments in the HC/UH logic family, housed in a 14-pin ceramic DIP package. It features active-high enable control with 150pF load capacitance rating and 6mA maximum output sink current for unidirectional bus driving. Available in stock from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54HC126J 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
- Quad bus driver with active-high enable inputs for unidirectional bus buffering in HC/UH CMOS logic family
- Military-grade 14-pin ceramic DIP package (CERDIP) rated for extended temperature and high-reliability applications
- 150pF load capacitance rating with Pb-free construction meeting JESD-609 e0 environmental standards
Applications
The SNJ54HC126J is used in military, aerospace, and high-reliability industrial systems requiring robust unidirectional bus buffering and line driving. Its ceramic package and HC logic family make it ideal for signal isolation, bus expansion, and logic-level interfacing in harsh-environment electronics. The device is also applicable in data bus drivers for embedded control systems where reliable signal buffering at CMOS logic levels is required.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Control Type | ENABLE HIGH |
| Count Direction | UNIDIRECTIONAL |
| Family | HC/UH |
| JESD-30 Code | R-GDIP-T14 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 150pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.006A |
| Number of Bits | 1 |
| Number of Functions | 4 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| 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) | 0.08mA |
| Prop. Delay@Nom-Sup | 36ns |
| Propagation Delay (tpd) | 225ns |
| Qualification Status | Not Qualified |
| Screening Level | MIL-PRF-38535 |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| 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 SNJ54HC126J?
The SNJ54HC126J is a quad 3-state bus buffer that drives bus lines in one direction, with active-high output enable inputs allowing each buffer to be independently controlled for bus multiplexing applications.
What logic family does the SNJ54HC126J belong to?
The SNJ54HC126J belongs to the HC (High-Speed CMOS) logic family, operating with 2V to 6V supply voltage and offering full compatibility with both CMOS and TTL input logic levels.
What package does the SNJ54HC126J use?
The SNJ54HC126J is housed in a 14-pin ceramic DIP (CERDIP) package, a hermetically sealed through-hole format designed for high-reliability and military-grade applications with superior resistance to moisture and temperature extremes.
What is the maximum output current of the SNJ54HC126J?
The maximum low-level output sink current (IOL) is 6mA, suitable for driving standard CMOS bus lines and logic loads typically encountered in digital interface and bus expansion applications.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
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
LM3911N
Dual-In-Line Packages
Integrated Circuit
CC430F5143IRGZT
Quad Flat No-Lead
Integrated Circuit
CD54HC00F
Ceramic Dual-In-Line Packages
Integrated Circuit
CD54HCT86F
Ceramic Dual-In-Line Packages
Integrated Circuit
CDCL1810RGZR
Quad Flat No-Lead
Integrated Circuit
CDC2351DBR
Small Outline Packages
Integrated Circuit
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”