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STMicroelectronics HCF4066BEY
- Part No.:
- HCF4066BEY
- Manufacturer:
- STMicroelectronics
- Category:
- Signal Switches, Multiplexers, Decoders
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
HCF4066BEY.pdf
- Description:
- IC BILATERAL SW 1 X 1:1 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,588
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Product details
Overview
HCF4066BEY from STMicroelectronics is a quad bilateral analog switch IC designed for bidirectional signal routing in mixed-signal systems. It features 125Ω typical on-resistance at 15V supply, <0.5% THD at 1kHz, 40MHz bandwidth (switch-on), 10pA off-leakage, and ±7.5V peak-to-peak analog signal handling - deployed in PAM multiplexers and sample-and-hold front-ends.
For engineers reviewing the HCF4066BEY datasheet, HCF4066BEY pinout, HCF4066BEY application, or HCF4066BEY equivalent, key selection criteria include on-resistance matching (±5Ω typ.), high off-isolation (65dB), low crosstalk (50dB @ 0.9MHz), and rail-to-rail analog swing capability with CMOS-compatible control inputs.
Technical Context
The HCF4066BEY implements four independent bilateral switches using complementary MOS transistors per channel, with well-tied n-channel biasing to stabilize threshold voltage across the full input range. Each switch operates bidirectionally with matched p/n device turn-on/turn-off timing under a single digital control signal.
Its architecture delivers flat on-resistance over ±7.5V signal swing, eliminates body-effect-induced RON variation, and isolates control logic (1012Ω input impedance) from signal paths - enabling precise analog switching without DC offset drift or harmonic distortion degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3V to 20V - supports single-supply (5V/10V/15V) and dual-supply (±7.5V) operation |
| On-Resistance (RON) | 125Ω typ. @ VDD=15V - enables low-insertion-loss analog signal transmission |
| RON Matching | ≤5Ω typ. between any two switches - ensures consistent gain/attenuation across 4-channel multiplexing |
| Off-Leakage Current | 10pA typ. @ VDD–VSS=10V - preserves DC accuracy in precision sample-and-hold circuits |
| Bandwidth (Switch-On) | 40MHz typ. - supports audio and low-speed data acquisition up to ~10MHz sine-wave signals |
| THD | <0.5% typ. @ 1kHz, 5Vpp, RL=10kΩ - maintains signal fidelity in audio routing and sensor interface applications |
| Off-Isolation | 65dB typ. @ 10kHz, RL=10kΩ - suppresses unwanted signal coupling during channel deselection |
Pinout & Package
Package: 14-pin plastic DIP (Dual In-line Package), 0.3" wide, JEDEC MS-001AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4, 8, 11 (A–D) | Signal I/O (Bidirectional) | Independent analog/digital signal terminals - interchangeable input/output with no polarity restriction |
| 2, 3, 9, 10 (A–D) | Signal O/I (Bidirectional) | Paired with pins 1/4/8/11 to form four fully symmetric bilateral switch paths |
| 5, 6, 12, 13 (A–D) | Control Enable Inputs | CMOS-level digital inputs - high = ON (conducting), low = OFF (high-impedance isolation) |
| 7 | VSS | Negative supply rail - referenced for dual-supply operation or ground in single-supply mode |
| 14 | VDD | Positive supply rail - sets maximum analog signal swing (VDD – VSS) |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional analog signal path | Full rail-to-rail conduction with matched forward/reverse RON and THD performance |
| Constant on-resistance profile | RON remains stable across entire ±7.5V input range - eliminates amplitude-dependent nonlinearity |
| Ultra-low off-state leakage | 10pA typ. minimizes offset current errors in high-impedance sensor interfaces and integrator circuits |
| High control-to-signal isolation | 1012Ω input impedance prevents control logic noise from modulating analog signal integrity |
| Low inter-channel crosstalk | 50dB suppression @ 0.9MHz - critical for simultaneous multi-channel sampling without ghosting |
Applications
| Audio Signal Routing | PAM Multiplexer System |
|---|---|
Use Scenario: Switching between multiple microphone inputs or speaker outputs in consumer audio equipment. IC Role / Device Role / Timing Role: Quad bilateral switch providing low-distortion, low-crosstalk analog path selection under microcontroller GPIO control. Use Value: Maintains <0.5% THD and 65dB off-isolation across 20Hz–20kHz band, preserving audio fidelity during real-time source switching. | Use Scenario: Time-division multiplexing of four analog sensor channels into a shared ADC input. IC Role / Device Role / Timing Role: Synchronized 4-channel analog gate enabling sequential sampling without external buffering or level-shifting. Use Value: Matched ≤5Ω RON deviation ensures uniform gain scaling across all channels, reducing calibration overhead in data acquisition systems. |
| Industrial Sensor Interface | Test Equipment Signal Path |
Use Scenario: Isolating and routing high-impedance pH or thermocouple signals in programmable logic controller (PLC) analog input modules. IC Role / Device Role / Timing Role: Precision analog switch with 10pA off-leakage and rail-to-rail swing supporting µV-level signal integrity. Use Value: Prevents measurement drift caused by leakage-induced offset, enabling sub-mV resolution in 16-bit industrial DAQ designs. | Use Scenario: Configurable signal injection and feedback path selection in automated test equipment (ATE) stimulus-response systems. IC Role / Device Role / Timing Role: High-bandwidth (40MHz) analog switch enabling fast reconfiguration of test signal chains under FPGA control. Use Value: Supports 10MHz sine-wave testing with minimal phase shift and amplitude error due to flat RON and low feedthrough. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad bilateral switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CD4066BE | Higher RON (300Ω typ. @ 15V), wider RON spread (±25Ω), lower bandwidth (20MHz) | Less suitable for precision audio or high-fidelity multiplexing; acceptable for basic digital signal gating | Select when cost sensitivity outweighs linearity and bandwidth requirements |
| 74HC4066D | Lower VDD range (2–10V), higher RON (105Ω min. @ 6V), no dual-supply support | Restricted to single-supply 5V systems; unsuitable for ±7.5V analog signal handling | Choose only for 5V-only digital multiplexing where rail-to-rail analog swing is unnecessary |
Compared with CD4066BE and 74HC4066D, the HCF4066BEY provides superior analog performance - notably lower and more tightly matched on-resistance, dual-supply capability, and higher bandwidth - making it the preferred choice for precision analog routing where signal integrity is critical.
Availability
HCF4066BEY is available at Aetrix Electronics and suitable for audio routing, PAM multiplexing, industrial sensor interfacing, and ATE signal path configuration requiring stable component supply and long-term obsolescence management.
Supply support for HCF4066BEY includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in power management, analog, MEMS, and microcontroller technologies for industrial, automotive, and consumer markets.
The HCF4066BEY belongs to ST's legacy HCF4000B series of radiation-hardened, high-voltage CMOS logic and analog switches - engineered for robustness in extended-temperature industrial and instrumentation applications.
FAQ
Can HCF4066BEY operate with dual supplies such as ±5V?
Yes. The HCF4066BEY supports dual-supply operation with VDD = +5V and VSS = –5V, enabling ±5V peak-to-peak analog signal handling. Its absolute maximum ratings allow VDD–VSS up to 22V, and recommended operating conditions specify VDD from 3V to 20V relative to VSS.
What is the maximum analog signal frequency supported in the ON state?
The –3dB bandwidth is 40MHz typical when VDD = 5V, VSS = –5V, and RL = 1kΩ. At higher loads (e.g., RL = 10kΩ), bandwidth decreases; actual usable frequency depends on load capacitance and required signal integrity - for 1% amplitude flatness, practical limit is ~10MHz.
How does HCF4066BEY achieve low THD compared to earlier 4066 variants?
It uses optimized well-biasing of the n-channel transistor - tying the well to VSS when OFF and to the signal input when ON - which stabilizes threshold voltage across the full analog swing. This reduces RON nonlinearity and harmonic generation, yielding <0.5% THD at 1kHz versus >1% in older versions.
Is HCF4066BEY pin-compatible with CD4066BE?
Yes. Both devices use identical 14-pin DIP pinout and truth table: pins 1/2, 4/3, 8/9, 11/10 are switch I/O pairs; pins 5/6/12/13 are individual controls; pin 7 is VSS; pin 14 is VDD. No PCB redesign is needed when upgrading from CD4066BE to HCF4066BEY for improved analog performance.
HCF4066BEY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- 4000B
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Type:
- Bilateral, FET Switches
- Circuit:
- 1 x 1:1
- Independent Circuits:
- 4
- Current - Output High, Low:
- -
- Voltage Supply Source:
- Dual Supply
- Voltage - Supply:
- 3V ~ 20V
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-DIP
HCF4066BEY FAQ
1.How can I place an order for HCF4066BEY through Aetrix?
Please submit a Request for Quotation (RFQ) for HCF4066BEY on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for HCF4066BEY reliable?
The price and inventory of HCF4066BEY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HCF4066BEY is usually 5 days.
3.What payment methods are accepted for HCF4066BEY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HCF4066BEY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HCF4066BEY?
HCF4066BEY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HCF4066BEY order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for HCF4066BEY?
For technical support, including HCF4066BEY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HCF4066BEY requirements.
6.How does Aetrix verify that HCF4066BEY is sourced from the original manufacturer or authorized distributors?
All HCF4066BEY products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that HCF4066BEY meets industry standards.
7.What is the process for return or replacement of HCF4066BEY?
All HCF4066BEY units undergo pre-shipment inspection (PSI). If there is an issue with HCF4066BEY, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The HCF4066BEY part is unused and in its original packaging.
Return procedure for HCF4066BEY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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