M74HC4066B1R STMicroelectronics Integrated Circuit (Dual-In-Line Packages) In Stock
STMicroelectronics M74HC4066 is a quad bilateral analog SPST switch with four independent channels and 10Ω on-resistance. It provides 60 dB off-state isolation in a 14-pin DIP package. Designed for analog signal routing in audio, communications, and general-purpose switching applications.
- Manufacturer
- STMicroelectronics
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- M74HC4066B1R 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 SPST bilateral analog switch with 4 independent channels for flexible signal routing
- 10 Ω nominal on-state resistance matching across channels for low signal distortion
- 60 dB off-state isolation preventing crosstalk between switched signal paths
- RoHS lead-free 14-pin DIP package compatible with through-hole prototyping and production boards
Applications
The M74HC4066B1R is widely used for analog multiplexing and signal routing in audio mixing consoles, communication equipment, and data acquisition systems where 4 independent SPST channels simplify multi-signal switching. Its 60 dB isolation and matched 10Ω on-resistance make it suitable for precision analog instrumentation where channel crosstalk must remain below measurable thresholds. It also serves in test equipment and programmable logic circuits that switch sensor or reference signals under microcontroller control.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Analog IC - Other Type | SPST |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e4 |
| Normal Position | NO |
| Number of Channels | 1 |
| Number of Functions | 4 |
| Off-state Isolation-Nom | 60dB |
| On-state Resistance Match-Nom | 10Ω |
| On-state Resistance-Max (Ron) | 170Ω |
| Output | SEPARATE OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 12V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | NO |
| Switch-off Time-Max | 23ns |
| Switch-on Time-Max | 20ns |
| Switching | MAKE-BEFORE-BREAK |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for M74HC4066B1R:
Frequently Asked Questions
What on-resistance and off-state isolation does M74HC4066B1R achieve in signal switching?
The M74HC4066B1R features a nominal 10 Ω on-state resistance and 60 dB off-state isolation, keeping signal attenuation low when the switch is closed and crosstalk negligible when open in audio and instrumentation applications.
How many independent switch channels does M74HC4066B1R provide and can they operate simultaneously?
It contains 4 independent SPST channels that can all be controlled individually and simultaneously, allowing a single IC to route up to 4 separate analog signals in a compact 14-pin DIP footprint without mutual interference.
For which analog signal routing scenarios does M74HC4066B1R outperform a relay-based approach?
At signal frequencies up to several MHz, the M74HC4066B1R switches faster than mechanical relays, consumes no coil power, and occupies far less board area in a 14-pin DIP, making it preferred for audio multiplexers and ADC input selectors on 3.3V or 5V logic supply rails.
Does M74HC4066B1R comply with RoHS environmental directives for lead-free manufacturing?
Yes, the M74HC4066B1R carries a lead-free Pb-free code and JESD-609 e4 rating, confirming RoHS compliance for use in standard Sn-Ag-Cu solder assembly processes across industrial and consumer product manufacturing lines.
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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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