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Toshiba Semiconductor and Storage TC4W66FU,LF
- Part No.:
- TC4W66FU,LF
- Manufacturer:
- Toshiba Semiconductor and Storage
- Package:
- 8-TSSOP, 8-MSOP (0.110", 2.80mm Width)
- Datasheet:
-
TC4W66FU,LF.pdf
- Description:
- IC SWITCH SPST-NOX2 160OHM 8SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:52,283
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Product details
Overview
TC4W66FU,LF from Toshiba is a dual bilateral analog/digital switch IC in SSOP-8 package, featuring two independent bidirectional switches with 70 Ω typical ON-resistance at 15 V supply, >10⁹ Ω OFF-isolation, and ±0.5 V I/O voltage tolerance during conduction. It operates across −40°C to +85°C and supports signal routing in audio multiplexing, data acquisition, and test equipment.
For engineers reviewing the TC4W66FU,LF datasheet, TC4W66FU,LF pinout, TC4W66FU,LF application, or TC4W66FU,LF equivalent, key selection criteria include supply voltage range (3–18 V), ON-resistance matching (≤10 Ω mismatch between channels), THD (0.03% @ 1 kHz), feed-through rejection (−50 dB up to 600 kHz), and crosstalk suppression (≤600 mV @ 15 pF load).
Technical Context
The TC4W66FU,LF implements CMOS transmission-gate architecture with complementary P/N-channel MOSFET pairs per switch channel, enabling true bidirectional signal flow without polarity constraints. Its control logic accepts TTL/CMOS-compatible inputs (VIH ≥ 3.5 V @ 5 V, VIL ≤ 1.5 V @ 5 V) and maintains rail-to-rail I/O voltage handling (0 V to VDD).
Dynamic performance is characterized by propagation delays of 20–120 ns (tpZH/tpZL) and phase delay <15 ns (φI-O) under 50 pF load, supporting analog switching up to 30 MHz (−3 dB bandwidth) and digital control rates up to 12 MHz. Total harmonic distortion remains below 0.03% at 1 kHz, confirming suitability for low-distortion audio paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 18 V - supports single-supply operation across industrial and battery-powered systems |
| ON-Resistance (Typ.) | 70 Ω @ 15 V - enables low-insertion-loss analog signal routing with minimal gain error |
| OFF-Isolation | >10⁹ Ω - ensures high channel-to-channel isolation for precision multiplexing |
| THD @ 1 kHz | 0.03% - preserves audio fidelity in line-level switching applications |
| Propagation Delay | 20–120 ns - accommodates high-speed digital control while maintaining analog integrity |
| Operating Temperature | −40°C to +85°C - qualified for industrial ambient environments without derating |
| Input Capacitance | 7.5 pF - minimizes loading on driving circuits and preserves bandwidth |
Pinout & Package
TC4W66FU,LF is housed in an 8-pin SSOP (Shrink Small Outline Package) with 0.65 mm lead pitch and 0.02 g typical weight. Pin 1 is marked by a notch or dot; package conforms to JEDEC MO-153.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN/OUT 1) | Switch Channel 1 I/O Terminal | Bidirectional analog/digital signal path; rail-to-rail compatible (0 V to VDD) |
| 2 (CONT 1) | Channel 1 Control Input | Active-high TTL/CMOS-compatible enable; VIH ≥ 3.5 V @ 5 V |
| 3 (IN/OUT 2) | Switch Channel 2 I/O Terminal | Independent bidirectional path; matched RON∆ ≤ 4 Ω vs. Channel 1 |
| 4 (CONT 2) | Channel 2 Control Input | Separate enable; no internal coupling to CONT 1 |
| 5 (VSS) | Ground Reference | 0 V reference for all I/O and control signals; must be low-impedance |
| 6 (VDD) | Positive Supply | 3–18 V DC supply; decoupling capacitor required near pin |
| 7 (OUT/IN 2) | Switch Channel 2 I/O Terminal (redundant label) | Same physical node as Pin 3; confirms bidirectional symmetry |
| 8 (OUT/IN 1) | Switch Channel 1 I/O Terminal (redundant label) | Same physical node as Pin 1; confirms bidirectional symmetry |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O voltage range | Supports full-swing analog signals from VSS to VDD without clipping or distortion |
| Matched ON-resistance | ΔRON ≤ 4 Ω across temperature - critical for balanced differential signal paths |
| Low THD and feed-through | 0.03% THD + −50 dB feed-through rejection up to 600 kHz - preserves signal purity |
| High OFF-isolation | >10⁹ Ω channel isolation - prevents leakage-induced crosstalk in multiplexed systems |
| Fast switching with low delay skew | tpZH/tpZL delay spread < 40 ns - ensures synchronized channel enable/disable timing |
Applications
| Audio Signal Routing | Data Acquisition Multiplexing |
|---|---|
Use Scenario: Switching between multiple microphone or line-level inputs in a studio mixer or portable recorder. IC Role / Device Role / Timing Role: Bidirectional analog switch managing signal path selection without polarity bias or DC offset. Use Value: 0.03% THD and 70 Ω RON ensure transparent audio pass-through; >10⁹ Ω OFF-isolation prevents channel bleed. | Use Scenario: Selecting one of eight sensor outputs (e.g., thermocouples, RTDs) into a shared ADC front-end. IC Role / Device Role / Timing Role: Precision analog multiplexer providing low-offset, low-leakage signal routing before digitization. Use Value: Matched RON (≤4 Ω Δ) minimizes channel-to-channel gain error; ±0.5 V VI-VO rating protects ADC input during switching transients. |
| Test Equipment Signal Path | Industrial PLC I/O Conditioning |
Use Scenario: Configuring stimulus/response paths in automated test equipment (ATE) for component characterization. IC Role / Device Role / Timing Role: High-fidelity analog switch enabling reconfigurable DUT interface topologies. Use Value: 30 MHz −3 dB bandwidth and <15 ns phase delay support wideband signal integrity; 12 MHz max control rate allows fast test sequencing. | Use Scenario: Isolating and routing 0–10 V or 4–20 mA analog field signals into isolated PLC input modules. IC Role / Device Role / Timing Role: Robust analog interface switch tolerant of industrial supply variations (3–18 V) and temperature extremes. Use Value: −40°C to +85°C operation and 300 mW power dissipation rating ensure reliability in uncontrolled cabinet environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bilateral switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Texas Instruments CD4066BE | Higher RON (120 Ω typ. @ 15 V); wider supply range (3–18 V); through-hole PDIP-14 package | Lacks RON matching spec (ΔRON not guaranteed); higher THD (0.1%); slower switching (200 ns delays) | Prefer TC4W66FU,LF for low-distortion, matched-channel designs; CD4066BE suits cost-sensitive through-hole legacy systems. |
| Analog Devices ADG1419BRMZ | Lower RON (0.6 Ω typ. @ 15 V); integrated fault protection; 10-lead MSOP package; higher cost | Includes overvoltage lockout and current limiting; not drop-in compatible due to pinout and control logic differences | Choose ADG1419BRMZ only when fault robustness justifies added complexity and cost; TC4W66FU,LF remains optimal for standard analog routing. |
Compared with CD4066BE and ADG1419BRMZ, the TC4W66FU,LF delivers superior RON matching (≤4 Ω), lower THD (0.03%), and SSOP-8 footprint efficiency-making it ideal for space-constrained, high-fidelity analog multiplexing where precision and consistency outweigh ultra-low RON or protection features.
Availability
TC4W66FU,LF is available at Aetrix Electronics and suitable for audio signal routing, data acquisition multiplexing, and industrial PLC I/O conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TC4W66FU,LF 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 discrete semiconductors, power devices, and analog ICs with emphasis on industrial reliability and energy efficiency.
The TC4W66FU,LF belongs to Toshiba's legacy CMOS analog switch family, engineered for precision signal routing in instrumentation, test equipment, and industrial control systems where low distortion and channel matching are essential.
FAQ
What is the maximum supply voltage rating for TC4W66FU,LF?
The TC4W66FU,LF has an absolute maximum DC supply voltage rating of VDD = VSS + 20 V, with recommended operating range from 3 V to 18 V. Operation at 18 V yields 70 Ω typical ON-resistance and ensures full rail-to-rail I/O capability. Exceeding 18 V risks permanent damage even if within absolute maximum ratings, per Toshiba's derating guidelines.
Does TC4W66FU,LF support bidirectional analog signal switching?
Yes, the TC4W66FU,LF implements true bidirectional switching using complementary CMOS transmission gates. Each channel (IN/OUT 1 and IN/OUT 2) passes analog or digital signals equally in either direction when enabled, with no polarity restrictions and ±0.5 V voltage tolerance across the switch terminals during conduction.
What is the typical ON-resistance mismatch between the two switches in TC4W66FU,LF?
The TC4W66FU,LF specifies ∆RON ≤ 4 Ω maximum at VDD = 15 V and Ta = 85°C, ensuring tightly matched conduction characteristics between its two independent switch channels. This low mismatch supports precision applications like differential signal routing and calibrated multiplexing where gain tracking is critical.
Can TC4W66FU,LF be used in audio applications requiring low total harmonic distortion?
Yes, the TC4W66FU,LF achieves 0.03% THD at 1 kHz with 10 kΩ load, verified under sine-wave conditions (±2.5 Vp-p). This performance, combined with 70 Ω RON and >10⁹ Ω OFF-isolation, makes it suitable for line-level audio switching in mixers, effects loops, and recording interfaces where signal transparency is required.
What package type and lead pitch does TC4W66FU,LF use?
The TC4W66FU,LF uses an 8-pin SSOP (Shrink Small Outline Package) with 0.65 mm lead pitch, designated as SSOP8-P-0.65 in Toshiba documentation. Its compact footprint (typical weight 0.02 g) and surface-mount construction support high-density PCB layouts in space-constrained industrial and portable electronics.
TC4W66FU,LF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 160Ohm
- Channel-to-Channel Matching (ΔRon):
- 4Ohm
- Voltage - Supply, Single (V+):
- 3V ~ 18V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- 30MHz
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 0.5pF, 5pF
- Current - Leakage (IS(off)) (Max):
- 100nA
- Crosstalk:
- -50dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SSOP
TC4W66FU,LF FAQ
1.How can I place an order for TC4W66FU,LF through Aetrix?
Please submit a Request for Quotation (RFQ) for TC4W66FU,LF 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 TC4W66FU,LF reliable?
The price and inventory of TC4W66FU,LF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC4W66FU,LF is usually 5 days.
3.What payment methods are accepted for TC4W66FU,LF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC4W66FU,LF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TC4W66FU,LF?
TC4W66FU,LF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC4W66FU,LF 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 TC4W66FU,LF?
For technical support, including TC4W66FU,LF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC4W66FU,LF requirements.
6.How does Aetrix verify that TC4W66FU,LF is sourced from the original manufacturer or authorized distributors?
All TC4W66FU,LF 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 TC4W66FU,LF meets industry standards.
7.What is the process for return or replacement of TC4W66FU,LF?
All TC4W66FU,LF units undergo pre-shipment inspection (PSI). If there is an issue with TC4W66FU,LF, 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 TC4W66FU,LF part is unused and in its original packaging.
Return procedure for TC4W66FU,LF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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