My Inquiry
My Account
Toshiba Semiconductor and Storage 74HC4066D
- Part No.:
- 74HC4066D
- Manufacturer:
- Toshiba Semiconductor and Storage
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
74HC4066D.pdf
- Description:
- IC MUX QUAD 1:1 80OHM 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:12,300
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
74HC4066D from Toshiba Electronic Devices & Storage Corporation is a high-speed CMOS quad bilateral switch in SOIC14 package, featuring 50 Ω typical ON-resistance at 9 V, ±25 mA switch through current, and -40°C to +125°C operating temperature range for post-July 2020 production lots. It routes analog or digital signals bidirectionally in instrumentation, audio routing, and multiplexed sensor interfaces.
For engineers reviewing the 74HC4066D datasheet, 74HC4066D pinout, 74HC4066D application, or 74HC4066D equivalent, key selection criteria include guaranteed 125°C operation (for 2020+ lots), low THD (0.05% typ.), feedthrough attenuation of -60 dB at 1 MHz, and compatibility with 2–12 V supply rails.
Technical Context
The 74HC4066D implements four independent analog/digital bilateral switches using C2MOS silicon gate technology. Each switch exhibits symmetrical conduction (bidirectional I/O), controlled by a dedicated CMOS-compatible logic input that enables conduction when HIGH and blocks when LOW.
It delivers rail-to-rail analog signal handling (VI/O = 0 to VCC), supports up to 200 MHz small-signal bandwidth (at 4.5 V), and maintains low distortion (THD = 0.05% typ.) under 1 kHz sine wave conditions with 10 kΩ load and 50 pF capacitance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ON-resistance (typ.) | 50 Ω at VCC = 9.0 V - ensures minimal voltage drop and signal attenuation in analog path applications |
| Supply voltage range | 2.0–12.0 V - supports wide-rail operation across 3.3 V and 5 V systems, plus extended industrial rails |
| Operating temperature | -40°C to +125°C (post-July 2020 lots) - enables use in under-hood automotive or industrial control environments |
| THD (typ.) | 0.05% at VCC = 4.5 V - preserves audio fidelity and precision sensor signal integrity |
| Feedthrough attenuation | -60 dB at 1 MHz - suppresses unwanted coupling from control inputs into active signal paths |
| Switch through current | ±25 mA - allows direct switching of moderate-current analog sources or logic-level signals |
| Quiescent ICC (max) | 1.0 µA at VCC = 6.0 V, Ta = 25°C - enables ultra-low-power standby in battery-operated systems |
Pinout & Package
74HC4066D is housed in a 14-pin Small Outline Integrated Circuit (SOIC14) package with standard 1.27 mm pitch, 8.65 mm × 3.91 mm body dimensions, and 0.13 g typical weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 13, 14 | Switch I/O terminals (Y1–Y4) | Bidirectional analog/digital signal paths - each connects to corresponding X terminal when control input is HIGH |
| 3, 4, 5, 6 | Switch I/O terminals (X1–X4) | Paired with Y pins; fully symmetrical - no fixed input/output directionality |
| 7 | GND | Ground reference for all internal circuitry and signal return paths |
| 8, 9, 10, 11 | Control inputs (C1–C4) | CMOS-compatible logic inputs - HIGH enables switch conduction; LOW disables it |
| 12 | VCC | Positive supply rail - powers internal logic and defines analog signal swing limits (0 to VCC) |
| 13, 14 | Y3, Y4 (repeated from row 1) | Same as Pin 1/2 - confirms dual-side pin access for layout flexibility in dense PCBs |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog switching | VI/O supports 0 V to VCC - enables full-swing signal routing without clipping in single-supply systems |
| Low THD performance | 0.05% typ. at 1 kHz - critical for high-fidelity audio channel selection and precision sensor multiplexing |
| High noise immunity | VNIH/VNIL ≥ 28% VCC - rejects transient noise on control lines in electrically noisy industrial environments |
| ESD-protected inputs | Integrated protection against static discharge - reduces need for external TVS components in end-equipment design |
| Linear ON-resistance | ΔRON ≤ 45 Ω (typ.) between channels - ensures matched gain/attenuation across multiplexed signal paths |
Applications
| Audio Signal Routing | Sensor Multiplexing |
|---|---|
Use Scenario: Selecting between multiple microphone or line-level inputs in a portable mixer or voice-controlled device. IC Role / Device Role / Timing Role: Quad bilateral switch enabling bidirectional, low-distortion analog path selection under microcontroller GPIO control. Use Value: 0.05% THD and -60 dB feedthrough ensure clean audio switching without audible artifacts or crosstalk. | Use Scenario: Scanning eight thermistor or RTD sensors using four 2:1 analog switch pairs in a PLC analog input module. IC Role / Device Role / Timing Role: Precision analog multiplexer providing matched ON-resistance (ΔRON ≤ 45 Ω) for consistent sensor excitation and measurement accuracy. Use Value: Rail-to-rail VI/O (0 to VCC) and 200 MHz bandwidth support fast settling and high-resolution ADC sampling. |
| Test Equipment Signal Path | Industrial Logic-Level Translation |
Use Scenario: Configuring signal paths in automated test equipment (ATE) for DUT stimulus/response routing across multiple channels. IC Role / Device Role / Timing Role: High-speed, low-leakage switch isolating test fixtures and preventing backdrive during reconfiguration. Use Value: IOFF ≤ ±0.1 µA (25°C) and tPLZ/tPHZ ≤ 4 ns (VCC = 4.5 V) enable precise, low-error path setup in time-critical test sequences. | Use Scenario: Level-shifting control signals between 3.3 V FPGA I/O and 12 V industrial actuators in a motion controller. IC Role / Device Role / Timing Role: Bidirectional level translator leveraging CMOS-compatible VIH/VIL thresholds and 2–12 V supply tolerance. Use Value: VIH ≥ 1.5 V (min at VCC = 2 V) and VIL ≤ 0.5 V allow reliable interfacing across mixed-voltage subsystems without external buffers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad bilateral switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CD74HC4066M | TI version; RON = 60 Ω (typ.) at 4.5 V; -55°C to +125°C rating; SOIC14 pinout identical | Broader temp range (-55°C) but higher RON - better for extreme cold environments, less ideal for low-distortion audio | Select CD74HC4066M if extended low-temp operation is required and 10 Ω higher RON is acceptable. |
| SN74LV4066AIPW | TI LV-family; VCC = 1.65–5.5 V only; RON = 35 Ω (typ.) at 3.3 V; lower drive capability (±20 mA) | Optimized for 3.3 V logic domains; unsuitable for 9–12 V analog rails or high-temp industrial use | Choose SN74LV4066AIPW only for cost-sensitive 3.3 V-only systems where 125°C operation is not needed. |
Compared with CD74HC4066M and SN74LV4066AIPW, the 74HC4066D uniquely balances 125°C operation (post-2020), 50 Ω RON at 9 V, and full 2–12 V rail support - making it optimal for industrial analog multiplexing where voltage flexibility and thermal robustness are jointly critical.
Availability
74HC4066D is available at Aetrix Electronics and suitable for industrial automation, test equipment, and audio interface designs requiring stable component supply, long-term lifecycle assurance, and guaranteed -40°C to +125°C operation for post-July 2020 production lots.
Supply support for 74HC4066D 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
Toshiba Electronic Devices & Storage Corporation designs and manufactures high-reliability semiconductor solutions for industrial, automotive, and consumer applications, with emphasis on power efficiency, thermal robustness, and long-lifecycle support.
The 74HC4066D belongs to Toshiba's HC-series CMOS logic family, engineered specifically for analog/digital signal routing in harsh-environment systems where rail-to-rail operation, low distortion, and extended temperature stability are essential.
FAQ
What is the maximum operating temperature supported by the 74HC4066D?
The 74HC4066D supports an operating temperature range of -40°C to +125°C - but this extended upper limit applies exclusively to units manufactured after July 2020. Earlier production lots are rated only to +85°C. Always verify date code or lot marking to confirm compliance with the 125°C specification when designing for high-temperature environments.
Does the 74HC4066D support bidirectional analog signal switching?
Yes, the 74HC4066D provides true bilateral switching: each of its four channels conducts equally well in both directions (X↔Y), with no inherent input/output assignment. This enables flexible analog routing - for example, using the same switch to pass sensor signals to an ADC or to inject calibration voltages from a DAC, all within a single device.
What is the typical ON-resistance of the 74HC4066D and how does it vary with supply voltage?
The 74HC4066D has a typical ON-resistance of 50 Ω at VCC = 9.0 V, 55 Ω at 4.5 V, and 96 Ω at 2.0 V. This inverse relationship means lower supply voltages increase conduction loss - so for low-distortion analog paths, operation at ≥4.5 V is recommended. The ΔRON between channels remains ≤45 Ω (typ.), ensuring matched performance across all four switches.
Can the 74HC4066D be used to switch audio signals without introducing audible distortion?
Yes - the 74HC4066D achieves 0.05% typical THD at 1 kHz with 10 kΩ load and 50 pF capacitance, making it suitable for line-level and microphone-level audio routing. Its rail-to-rail VI/O capability (0 to VCC) and -60 dB feedthrough attenuation at 1 MHz further minimize crosstalk and preserve signal integrity in multi-channel audio systems.
Is the 74HC4066D pin-compatible with other 74HC4066 variants from different manufacturers?
Yes, the 74HC4066D uses the industry-standard SOIC14 footprint and pinout defined by JEDEC MS-012, matching all common 74HC4066 variants including NXP HEF4066BT, STMicroelectronics M74HC4066, and TI CD74HC4066M. Control inputs (C1–C4), I/O pairs (X/Y), VCC, and GND align identically - enabling direct substitution where electrical specs meet system requirements.
74HC4066D Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 80Ohm
- Channel-to-Channel Matching (ΔRon):
- 5Ohm (Typ)
- Voltage - Supply, Single (V+):
- 2V ~ 12V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 12ns, 12ns
- -3db Bandwidth:
- 200MHz
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 3pF
- Current - Leakage (IS(off)) (Max):
- 100nA
- Crosstalk:
- -60dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
74HC4066D FAQ
1.How can I place an order for 74HC4066D through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HC4066D 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 74HC4066D reliable?
The price and inventory of 74HC4066D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HC4066D is usually 5 days.
3.What payment methods are accepted for 74HC4066D?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HC4066D transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HC4066D?
74HC4066D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HC4066D 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 74HC4066D?
For technical support, including 74HC4066D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HC4066D requirements.
6.How does Aetrix verify that 74HC4066D is sourced from the original manufacturer or authorized distributors?
All 74HC4066D 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 74HC4066D meets industry standards.
7.What is the process for return or replacement of 74HC4066D?
All 74HC4066D units undergo pre-shipment inspection (PSI). If there is an issue with 74HC4066D, 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 74HC4066D part is unused and in its original packaging.
Return procedure for 74HC4066D:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74HC4066D Tags
-
SN74LVC1G3157DBVR
Texas Instruments
-
SN74LVC1G66DBVR
Texas Instruments
-
SN74LVC1G66DCKR
Texas Instruments
-
SN74LVC1G3157DSFR
Texas Instruments
-
1P1G3157QDCKRQ1
Texas Instruments
-
SN74LVC2G66DCUR
Texas Instruments
-
SN74LV4052APWR
Texas Instruments
-
74HC4051D,653
Nexperia USA Inc.
-
SN74LV4051APWR
Texas Instruments
-
CD74HC4052PWR
Texas Instruments
-
CD74HC4051PWR
Texas Instruments
-
TS5A3166DBVR
Texas Instruments
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
