CD74HCT4051EE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The CD74HCT4051EE4 is an 8-channel single-ended analog multiplexer and demultiplexer in a 16-pin DIP package compatible with HCT-level digital control inputs at 5 V. It operates with a 2 V to 10 V analog supply range and includes a negative supply pin supporting bipolar analog signals down to -4.5 V. Available from stock worldwide with same-day shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HCT4051EE4 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 CD74HCT4051EE4?
- 8-channel single-ended analog multiplexer with HCT-compatible 5 V digital control inputs for direct TTL/CMOS logic interfacing
- Supports bipolar analog signals by accepting a negative supply voltage down to -6 V while routing signals from -4.5 V to +4.5 V rails
- 2 V to 10 V VCC-VEE analog supply range enables use in both single-supply and dual-supply signal conditioning circuits
What is CD74HCT4051EE4 used for?
The CD74HCT4051EE4 is used to switch between 8 analog sensor inputs in data acquisition systems, audio channel selectors, and automated test equipment where a single ADC must sample multiple sources under microcontroller control. Its HCT-compatible digital inputs allow 5 V microcontrollers to directly select any of the 8 analog channels without level-shifting, reducing component count in multi-channel sensing designs.
What are the specifications of CD74HCT4051EE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES WITH 2V TO 10V (VCC-VEE) SUPPLY |
| Analog IC - Other Type | SINGLE-ENDED MULTIPLEXER |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Neg Supply Voltage-Max (Vsup) | -6 V |
| Neg Supply Voltage-Nom (Vsup) | -4.5 V |
| Number of Channels | 8 |
| Number of Functions | 1 |
| Off-state Isolation-Nom | 73dB |
| On-state Resistance Match-Nom | 5Ω |
| On-state Resistance-Max (Ron) | 130Ω |
| Output | COMMON OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Signal Current-Max | 0.025A |
| Supply Current-Max (Isup) | 0.32mA |
| Supply Voltage-Max (Vsup) | 5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | NO |
| Switch-off Time-Max | 32ns |
| Switch-on Time-Max | 39ns |
| Switching | BREAK-BEFORE-MAKE |
| 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 CD74HCT4051EE4 datasheet?
CD74HCT4051EE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HCT4051EE4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many analog channels can CD74HCT4051EE4 switch and what digital logic level controls the selection?
The CD74HCT4051EE4 provides 8 individually selectable analog channels controlled by a 3-bit binary address (A, B, C inputs) plus an active-low enable pin. All control inputs are HCT-compatible, meaning they accept standard 5 V TTL-level logic from a microcontroller without any additional level-shifting circuitry, simplifying the design of multi-sensor data acquisition systems.
Can CD74HCT4051EE4 handle bipolar analog signals and what voltage range does each channel support?
Yes, the CD74HCT4051EE4 supports bipolar analog signals by allowing a negative supply (VEE) down to -6 V nominal (-4.5 V typical). When powered with VCC = +5 V and VEE = -4.5 V, the multiplexer passes analog signals in the range of -4.5 V to +4.5 V through the selected channel, making it suitable for AC-coupled audio signals and differential sensor outputs that swing below ground.
For a 16-pin DIP design, how does CD74HCT4051EE4 compare in channel count to two 4-channel analog multiplexers?
Using a single CD74HCT4051EE4 in a 16-pin DIP package provides 8 analog channels with only 3 address bits and 1 enable line, whereas two 4-channel multiplexers would require separate enable signals per device and additional decoding logic. The single-chip approach reduces board area by at least one IC footprint and simplifies firmware channel-selection logic from 2 chip-select lines to a single 3-bit address.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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