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
What are the key features of M74HC4066B1R?
- 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
What is M74HC4066B1R used for?
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.
What are the specifications of M74HC4066B1R?
| 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 |
Where can I find the M74HC4066B1R datasheet?
M74HC4066B1R Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for M74HC4066B1R?
Compatible alternatives and drop-in replacements for M74HC4066B1R:
Frequently Asked Questions
How many analog switches are included in M74HC4066B1R?
The IC contains 4 independently controlled bilateral SPST switch functions, allowing analog or digital signals to pass in either direction through each enabled channel.
What resistance and isolation figures matter for signal routing?
The available data lists about 10 Ω on-resistance matching and 60 dB nominal off-state isolation, which affect channel gain error, crosstalk, and disabled-path leakage.
Which package must be matched for a drop-in replacement?
M74HC4066B1R uses a 14-pin DIP package, so confirm the through-hole footprint, pin assignment, 4 control inputs, supply range, and logic thresholds before substitution.
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Why Buy from FindMyChip
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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