Specifications
| Type | Description |
|---|---|
| Part Number | CD74HC4051_Mux |
| Manufacturer | Texas Instruments |
| Product Type | Analog Switch |
| Category | Signal Chain |
| Package/Case | 16-pin CDIP J 19.56mm x 6.92mm; PDIP N 19.30mm x 6.35mm; SOIC D 9.9mm x 3.9mm; SOP/NS 10.3mm x 5.3mm; TSSOP/PW 5mm x 4.4mm |
| Device Function | Digitally controlled bidirectional analog switch / multiplexer-demultiplexer |
| Channel Configuration | 8-channel analog multiplexer/demultiplexer with common out/in |
| Analog Input Voltage Range | ±5 V maximum |
| Typical ON Resistance | 70 ohm typical at VCC - VEE = 4.5 V |
| Typical ON Resistance | 40 ohm typical at VCC - VEE = 9 V |
| Operation Control Voltage | 4.5 V to 5.5 V |
| Switch Voltage | 0 V to 10 V |
| LSTTL Input Logic Compatibility | VIL <= 0.8 V, VIH >= 2 V |
| CMOS Input Compatibility | II <= 1 uA at VOL, VOH |
| Operating Temperature Range | -40°C to +125°C |
| Ambient Temperature Range | -55°C to +125°C |
| CD74HC4051 Package Options | N PDIP-16 19.30mm x 6.35mm; D SOIC-16 9.9mm x 3.9mm; NS SOP-16 10.3mm x 5.3mm; PW TSSOP-16 5mm x 4.4mm |
| Positive Supply Voltage Range | 2 V to 6 V |
| Supply Voltage Range VCC - VEE | 2 V to 10 V |
| Negative Supply Voltage Range | 0 V to -6 V |
| DC Input Control Voltage | 0 V to VCC |
| Analog Switch I/O Voltage | VEE to VCC |
| Input Rise and Fall Time | 0 ns to 1000 ns at VCC = 2 V |
| Input Rise and Fall Time | 0 ns to 500 ns at VCC = 4.5 V |
| Input Rise and Fall Time | 0 ns to 400 ns at VCC = 6 V |
| Absolute Maximum VCC - VEE | -0.5 V to 10.5 V |
| Absolute Maximum VCC | -0.5 V to 7 V |
| Absolute Maximum VEE | -7 V to 0.5 V |
| DC Input Diode Current | -20 mA to 20 mA when VI < -0.5 V or VI > VCC + 0.5 V |
| DC Switch Diode Current | -20 mA to 20 mA when VI < VEE - 0.5 V or VI > VCC + 0.5 V |
| DC Switch Current | -25 mA to 25 mA when VI < VEE - 0.5 V or VI > VCC + 0.5 V |
| DC VCC or Ground Current | -50 mA to 50 mA |
| DC VEE Current | -20 mA maximum |
| Maximum Junction Temperature | 150°C |
| Maximum Lead Temperature | 300°C for soldering, 10 s |
| Storage Temperature | -65°C to 150°C |
| ESD Rating HBM | ±500 V |
| ESD Rating CDM | ±200 V |
| Thermal Resistance Junction-to-Ambient | 77.3°C/W for CD74HC4051 N PDIP-16 package |
| Thermal Resistance Junction-to-Ambient | 99.3°C/W for CD74HC4051 NS SO-16 package |
| Thermal Resistance Junction-to-Ambient | 116.5°C/W for CD74HC4051 PW TSSOP-16 package |
| Input High Voltage | 1.5 V minimum at VCC = 2 V |
| Input High Voltage | 3.15 V minimum at VCC = 4.5 V |
| Input High Voltage | 4.2 V minimum at VCC = 6 V |
| Input Low Voltage | 0.5 V maximum at VCC = 2 V |
| Input Low Voltage | 1.35 V maximum at VCC = 4.5 V |
| Input Low Voltage | 1.8 V maximum at VCC = 6 V |
| Enable Control | Active low enable; high disables all switches to OFF state |
| Address Select Inputs | S0, S1, S2 |
| Positive Power Input Pin | VCC on pin 16 |
| Negative Power Input Pin | VEE on pin 7 |
| Ground Pin | GND on pin 8 |
| Common I/O Pin | COM OUT/IN on pin 3 |
| Datasheet Status | request_only |
Product Overview
CD74HC4051_Mux is a Texas Instruments high-speed CMOS analog multiplexer/demultiplexer in the Analog category. The device function is a digitally controlled bidirectional analog switch, with an 8-channel analog multiplexer/demultiplexer arrangement and a common out/in connection.
Key Features
- 8-channel analog multiplexer/demultiplexer with common out/in
- Digitally controlled bidirectional analog switch function
- ±5 V maximum analog input voltage range
- 40 ohm typical ON resistance at 9 V
- 70 ohm typical ON resistance at 4.5 V
- 0 V to 10 V switch voltage range
- Active-low enable disables all switches when high
- S0, S1, and S2 address select inputs
- PDIP, SOIC, SOP, and TSSOP package options
- -40°C to +125°C operating temperature range
Typical Applications
- Analog signal multiplexing
- Analog signal demultiplexing
- Bidirectional analog switching
- Common I/O channel selection
- Logic-controlled signal routing
- Multi-channel analog input selection
Procurement Notes
When requesting a quote for CD74HC4051_Mux, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What function does CD74HC4051_Mux provide?
CD74HC4051_Mux is a digitally controlled bidirectional analog switch configured as an 8-channel analog multiplexer/demultiplexer with a common out/in connection.
Which control pins select the active channel?
The address select inputs are S0, S1, and S2. The enable input is active low, and a high enable level disables all switches to the OFF state.
What package options are listed for CD74HC4051_Mux?
The listed CD74HC4051 package options include N PDIP-16, D SOIC-16, NS SOP-16, and PW TSSOP-16, with body dimensions specified for each package type.
What supply ranges are specified for operation?
Recommended operating conditions list VCC from 2 V to 6 V, VCC - VEE from 2 V to 10 V, and VEE from 0 V to -6 V.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.