M54HC4066DG STMicroelectronics Integrated Circuit (Other) In Stock
STMicroelectronics M54HC4066DG is a radiation-hardened quad SPST analog switch in ceramic DIP-14 package, operating from 2 V to 6 V. Designed for space and mil-aero applications with high-speed CMOS logic compatibility and 4 independent channels. Available from stock worldwide with fast shipping.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- M54HC4066DG 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 M54HC4066DG?
- Radiation-hardened quad SPST analog switch qualified for space and mil-aero environments
- Wide 2 V to 6 V supply range covering both 3.3 V and 5 V CMOS logic systems
- 4 independent channels with separate output control enabling flexible signal routing
- Ceramic metal-sealed DIP-14 package providing hermetic protection against harsh environments
What is M54HC4066DG used for?
The M54HC4066DG is designed for satellite payload switching, space avionics, and radiation-exposed industrial control systems where analog signal routing with 4 independent SPST switches is required. Its rad-hard CMOS construction suits spacecraft data buses, missile guidance electronics, and nuclear facility instrumentation operating from 2 V to 6 V supplies. Defense and aerospace engineers rely on this device for signal multiplexing in environments with total ionizing dose requirements.
What are the specifications of M54HC4066DG?
| Manufacturer Package Code | DIL14 FP |
| YTEOL | 7 |
| Analog IC - Other Type | SPST |
| JESD-30 Code | R-CDIP-T14 |
| Number of Channels | 1 |
| Number of Functions | 4 |
| Output | SEPARATE OUTPUT |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Total Dose | 50k Rad(Si) V |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | France |
Where can I find the M54HC4066DG datasheet?
M54HC4066DG Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for M54HC4066DG?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What supply voltage range and channel count does the M54HC4066DG support in space applications?
The M54HC4066DG operates from 2 V to 6 V and integrates 4 independent SPST analog switch channels in a single 14-pin ceramic DIP package. This combination makes it ideal for satellite and spacecraft designs where low supply voltage and multi-channel switching are needed in a radiation-hardened device.
How does the M54HC4066DG ceramic package benefit mil-aero system reliability compared to plastic alternatives?
The M54HC4066DG uses a ceramic metal-sealed cofired DIP-14 package that provides hermetic sealing, preventing moisture ingress and outgassing that would degrade performance in vacuum or high-altitude environments. This construction extends device lifetime in military avionics and satellite systems where plastic-encapsulated ICs would fail within months due to thermal cycling and humidity exposure.
When should an engineer choose M54HC4066DG over a standard HC4066 for an industrial control design?
Engineers should select the M54HC4066DG over a standard HC4066 when the design operates in environments with significant ionizing radiation, such as nuclear power plant control rooms, high-altitude avionics above 40,000 feet, or near particle accelerators. The rad-hard construction maintains switching characteristics across 4 channels and 2 V to 6 V supply range after exposure to radiation doses that would cause latch-up or parametric degradation in commercial-grade devices.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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