SN54HC366J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
SN54HC366J is a hex bus driver with 3-state outputs from Texas Instruments, featuring dual active-low output enables, unidirectional 6-channel drive capability, and 150 pF load capacitance tolerance. Packaged in a 16-pin ceramic CDIP, it operates from -55°C to 125°C, making it suitable for military-grade bus driving in logic and memory interface designs.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SN54HC366J 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
What are the key features of SN54HC366J?
- 6-channel (hex) unidirectional 3-state bus driver
- Dual active-low output enable for flexible bus sharing
- 150 pF load capacitance tolerance per channel
- HC/UH CMOS logic family for low-power operation
- Operating temperature range: -55°C to 125°C
- 16-pin ceramic CDIP package for mil-spec reliability
- RoHS/Pb-free compliant (JESD-609 e0)
What is SN54HC366J used for?
The SN54HC366J is used to drive high-capacitance data buses in military, aerospace, and high-reliability industrial systems where 6 independent tri-state outputs are needed to share a common bus. Its extended -55°C to 125°C temperature range and ceramic CDIP package make it appropriate for avionics data buses, defense electronics backplanes, and rugged computing platforms requiring long-term supply assurance.
What are the specifications of SN54HC366J?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | WITH DUAL OUTPUT ENABLE |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | HC/UH |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 150pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.0078A |
| Number of Bits | 6 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| 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) | 0.16mA |
| Prop. Delay@Nom-Sup | 29ns |
| Propagation Delay (tpd) | 180ns |
| Qualification Status | Not Qualified |
| 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 |
Where can I find the SN54HC366J datasheet?
SN54HC366J Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN54HC366J?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How do the dual output enables on the SN54HC366J support multi-master bus sharing?
The SN54HC366J provides 2 independent active-low output enable pins, allowing the 6 output channels to be split into 2 independently controlled groups. This enables 2 separate bus masters to share the same physical bus lines without contention, simply by asserting or deasserting each enable. The 150 pF load capacitance tolerance ensures reliable driving even on heavily loaded backplane buses.
Why is the ceramic CDIP-16 package chosen for defense and aerospace bus driver applications?
The 16-pin ceramic CDIP package provides hermetic sealing that prevents moisture ingress and withstands mechanical shock and vibration per MIL-STD-883 requirements. Combined with the -55°C to 125°C operating temperature range, the SN54HC366J in ceramic packaging is qualified for use in aircraft avionics, missile electronics, and ground-based defense radar systems where plastic packages would fail over time.
How does the HC logic family reduce power consumption compared to older TTL bus drivers?
The HC (High-Speed CMOS) logic family draws near-zero quiescent current compared to bipolar TTL devices, which can consume several milliamps per gate continuously. For a 6-channel device like the SN54HC366J, this translates to a reduction of tens of milliwatts at static conditions. Power savings are significant in battery-backed and thermally constrained avionics chassis with dozens of logic ICs.
In what scenarios would the SN54HC366J replace the commercial-grade SN74HC366 variant?
The SN54HC366J is specified over the full -55°C to 125°C military temperature range versus the narrower 0°C to 70°C range of commercial-grade 74HC parts. Designers select the SN54HC366J when operating environments include outdoor installations, engine bays, or altitude extremes where commercial parts fall outside guaranteed specifications, typically in defense, aerospace, and rail transportation equipment rated for extended environmental conditions.
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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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