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Texas Instruments CD74HC4067EG4
- Part No.:
- CD74HC4067EG4
- Manufacturer:
- Texas Instruments
- Package:
- 24-DIP (0.600", 15.24mm)
- Datasheet:
-
CD74HC4067EG4.pdf
- Description:
- IC MUX 16:1 160OHM 24DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,468
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Product details
Overview
CD74HC4067EG4 from Texas Instruments is a 16-channel analog multiplexer/demultiplexer IC used for bidirectional analog signal routing in mixed-signal systems. It features 2V–6V operation, 60Ω typical ON resistance at 6V, break-before-make switching (6ns typ), and operates across –55°C to +125°C - enabling use in industrial sensor data acquisition and precision ADC front-ends.
For engineers reviewing the CD74HC4067EG4 datasheet, CD74HC4067EG4 pinout, CD74HC4067EG4 application, or CD74HC4067EG4 equivalent, key selection criteria include analog channel count, supply voltage compatibility with HC logic family, ON-resistance vs. signal amplitude, thermal stability over extended temperature range, and enable-controlled channel isolation.
Technical Context
The CD74HC4067EG4 implements a silicon-gate CMOS 1-of-16 binary decoder driving 16 bidirectional analog switches, with a common I/O terminal and four address inputs (S0–S3) plus active-low enable (E). Its break-before-make architecture prevents momentary shorting between channels during switching transitions.
All 16 switch paths exhibit matched ON resistance (ΔRON ≤ 10Ω typ at 4.5V), low off-state leakage (±0.8µA max at 25°C), and wide analog input range (0 to VCC), supporting rail-to-rail signal handling without external biasing. Input control pins accept standard CMOS logic levels with high noise immunity (NIL/NIH = 30% of VCC).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channel count | 16 bidirectional analog channels - enables single-chip scanning of multi-sensor arrays or multi-channel DAC outputs. |
| Supply voltage range | 2V to 6V - supports direct interface with 3.3V and 5V microcontrollers without level-shifting. |
| ON resistance (typ) | 60Ω at VCC = 6V - ensures minimal signal attenuation and gain error in precision measurement paths. |
| Break-before-make delay | 6ns typ at 4.5V - prevents cross-conduction during channel switching, critical for integrity in multiplexed feedback loops. |
| Operating temperature | –55°C to +125°C - qualified for harsh environments including industrial motor control and automotive under-hood sensing. |
| Analog bandwidth | 89MHz at –3dB (VCC = 4.5V) - supports high-frequency signal routing such as audio bandpass filtering or RF test switching. |
| Off-state feedthrough | –75dB at 1MHz - suppresses crosstalk between inactive channels in sensitive analog front-ends. |
Pinout & Package
CD74HC4067EG4 is packaged in a 24-pin PDIP (Plastic Dual In-line Package) with 0.600-inch body width and through-hole mounting. Pin 1 is located at the top-left corner adjacent to the notch or dot marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | COMMON I/O | Bidirectional analog path shared across all 16 channels - connects to ADC input, DAC output, or amplifier node. |
| 2–9, 16–23 | I0–I15 | Individual analog switch terminals - each connects to one sensor, transducer, or signal source/sink. |
| 10–11, 13–14 | S0–S3 | 4-bit binary address inputs - select one of 16 channels (0000 to 1111) when E = low. |
| 12 | GND | Analog and digital ground reference - must be low-impedance and star-connected to minimize noise coupling. |
| 15 | E | Active-low enable - drives all switches OFF when high; required for power gating or system-level channel disable. |
| 24 | VCC | Positive supply - powers internal logic and analog switches; decoupling capacitor (0.1µF) required near pin. |
Key Features
| Feature | Design Value |
|---|---|
| Wide analog input range | 0 V to VCC - eliminates need for external level-shifting circuitry when interfacing with rail-to-rail sensors or DACs. |
| Low ON resistance | 60Ω typ at 6V - reduces channel-dependent gain error and improves THD performance in audio and instrumentation paths. |
| Break-before-make switching | 6ns typ transition time - prevents transient short-circuits between channels, preserving signal integrity in closed-loop systems. |
| High noise immunity | NIL/NIH = 30% of VCC at 5V - ensures reliable digital control in electrically noisy industrial environments. |
| Extended temperature range | –55°C to +125°C - supports deployment in uncontrolled enclosures, outdoor infrastructure, and engine bay applications. |
Applications
| Industrial Sensor Multiplexing | Multi-Channel Data Acquisition |
|---|---|
|
Use Scenario: Scanning 12 thermocouples and 4 RTDs into a single 24-bit sigma-delta ADC in a PLC analog input module. IC Role / Device Role / Timing Role: Analog multiplexer providing channel-selectable signal routing with <6ns switching transients to avoid ADC sampling window corruption. Use Value: Reduces BOM count by eliminating discrete analog switches and simplifies PCB layout with single-chip 16:1 routing. |
Use Scenario: Routing outputs from 16 precision DACs to individual op-amp gain stages in automated test equipment. IC Role / Device Role / Timing Role: Bidirectional demultiplexer enabling dynamic reconfiguration of analog stimulus paths under microcontroller control. Use Value: Enables per-channel calibration and programmable output scaling without hardware changes. |
| Audio Signal Routing | Programmable Filter Bank |
|
Use Scenario: Selecting among 16 microphone preamplifier outputs for beamforming in a smart speaker array. IC Role / Device Role / Timing Role: Low-distortion analog switch with 0.051% THD and –75dB off-isolation to preserve SNR across channels. Use Value: Maintains >110dB dynamic range while allowing real-time acoustic path reconfiguration. |
Use Scenario: Switching between 16 RC filter networks to set cutoff frequency in a software-defined analog anti-aliasing stage. IC Role / Device Role / Timing Role: Precision analog switch with matched RON ensuring consistent filter Q-factor and passband flatness. Use Value: Achieves ±0.5% corner frequency accuracy across all 16 configurations without trimming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CD74HC4067M96 | SOIC-24 package (15.4mm × 10.3mm); same electrical specs and pinout as CD74HC4067EG4. | Suitable for surface-mount production; requires reflow-compatible layout and lacks through-hole mechanical retention. | Select when automated assembly and board space optimization are prioritized over manual prototyping or serviceability. |
| CD74HC4067PWR | TSSOP-24 package (7.8mm × 6.4mm); identical functional behavior but thinner profile and finer pitch (0.65mm). | Better suited for compact portable devices; higher susceptibility to solder bridging and ESD during handling. | Choose for space-constrained designs where thermal dissipation remains within 97.4°C/W junction-to-ambient limit. |
Compared with CD74HC4067M96 and CD74HC4067PWR, the CD74HC4067EG4 offers through-hole mounting for lab validation and ruggedized field units, while retaining full electrical compatibility - making it ideal for first-article builds, qualification testing, and low-volume industrial controllers.
Availability
CD74HC4067EG4 is available at Aetrix Electronics and suitable for industrial sensor multiplexing, multi-channel data acquisition, and programmable analog filter bank applications requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for CD74HC4067EG4 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with decades of expertise in high-reliability industrial and automotive ICs.
The CD74HC4067EG4 belongs to TI's High-Speed CMOS Logic analog switch family, designed specifically for robust, low-distortion signal routing in mixed-signal systems operating across extreme temperatures and noisy environments.
FAQ
What is the maximum analog signal voltage range supported by the CD74HC4067EG4?
The CD74HC4067EG4 supports analog input/output voltages from 0 V to VCC. When operated at its maximum supply voltage of 6 V, this provides a full 0–6 V rail-to-rail analog range. This capability eliminates the need for external biasing or level-shifting circuits when interfacing with sensors or DACs that operate within the same supply domain as the CD74HC4067EG4.
Does the CD74HC4067EG4 support bidirectional signal flow?
Yes, the CD74HC4067EG4 is fully bidirectional: any of the 16 I0–I15 terminals can serve as either an input or output, and the COMMON pin functions equivalently in both directions. This allows flexible use cases - for example, routing analog signals from multiple sensors to a single ADC (multiplexing), or distributing a DAC output to multiple destinations (demultiplexing) - all with the same CD74HC4067EG4 device.
What is the purpose of the enable (E) pin on the CD74HC4067EG4?
The E pin on the CD74HC4067EG4 is an active-low enable that globally disables all 16 analog switches when driven high. When E = high, all channels are placed in the OFF state regardless of S0–S3 address settings - providing hardware-level channel isolation. This feature is essential for power sequencing, fault containment, and preventing signal contention during system reset or configuration changes involving the CD74HC4067EG4.
How does the CD74HC4067EG4 handle switching transients to prevent channel crosstalk?
The CD74HC4067EG4 uses break-before-make switching with a guaranteed 6 ns minimum dead time between channel disconnect and reconnect. This prevents momentary shorting between adjacent analog paths during address changes. Combined with –75 dB off-state feedthrough suppression at 1 MHz, this architecture ensures minimal crosstalk and preserves signal fidelity in time-multiplexed systems using the CD74HC4067EG4.
Is the CD74HC4067EG4 compatible with 3.3V microcontroller GPIOs?
Yes, the CD74HC4067EG4 is fully compatible with 3.3V logic. Its HC-family input thresholds (VIH = 1.5V min at VCC = 2V; 3.15V min at VCC = 4.5V) ensure reliable recognition of 3.3V logic highs, and its 2V–6V supply range allows direct operation from a 3.3V rail. No level translation is needed between a 3.3V MCU and the CD74HC4067EG4 control pins (S0–S3, E).
CD74HC4067EG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 16:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 160Ohm
- Channel-to-Channel Matching (ΔRon):
- 8.5Ohm
- Voltage - Supply, Single (V+):
- 2V ~ 6V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 51ns, 49ns
- -3db Bandwidth:
- 89MHz
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 50pF
- Current - Leakage (IS(off)) (Max):
- 800nA
- Crosstalk:
- -
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 24-PDIP
CD74HC4067EG4 FAQ
1.How can I place an order for CD74HC4067EG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for CD74HC4067EG4 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 CD74HC4067EG4 reliable?
The price and inventory of CD74HC4067EG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CD74HC4067EG4 is usually 5 days.
3.What payment methods are accepted for CD74HC4067EG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CD74HC4067EG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CD74HC4067EG4?
CD74HC4067EG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CD74HC4067EG4 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 CD74HC4067EG4?
For technical support, including CD74HC4067EG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CD74HC4067EG4 requirements.
6.How does Aetrix verify that CD74HC4067EG4 is sourced from the original manufacturer or authorized distributors?
All CD74HC4067EG4 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 CD74HC4067EG4 meets industry standards.
7.What is the process for return or replacement of CD74HC4067EG4?
All CD74HC4067EG4 units undergo pre-shipment inspection (PSI). If there is an issue with CD74HC4067EG4, 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 CD74HC4067EG4 part is unused and in its original packaging.
Return procedure for CD74HC4067EG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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