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Product Detailed Parameters
- Description：IC SWITCH SPST-NC X 1 7OHM USV
- Series：-
- Mfr：Toshiba Semiconductor and Storage
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST - NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：7Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：4ns, 4.5ns
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：5pF
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：5-TSSOP, SC-70-5, SOT-353
- Supplier Device Package：USV
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The TC7SB66CFU,LF(CT is a single-channel SPST-NC analog switch manufactured by Toshiba Semiconductor and Storage. It operates within a supply voltage range of 1.65 V to 5.5 V and features a maximum on-resistance of 7 Ohms. The device utilizes a 5-TSSOP (USV) surface-mount package. Key electrical specifications include a channel capacitance of 5 pF and a maximum leakage current of 1 µA. Switching performance is characterized by a turn-on time of 4 ns and a turn-off time of 4.5 ns. The component supports an operating temperature range from -40°C to 85°C.
Feature Summary
- Single-pole single-throw normally-closed circuit configuration for signal routing
- Low on-resistance characteristic enabling efficient signal transmission
- Compact five-terminal surface-mount packaging for space-constrained designs
Applications
- Portable electronic devices requiring low-power signal switching
- Battery-operated equipment utilizing low-voltage logic levels
- Consumer electronics with limited board space constraints
Procurement Notes
Verify the specific ordering suffix against manufacturer documentation to confirm packaging format. The base part number TC7SB66CFU,LF corresponds to the USV package type. Confirm RoHS compliance status through official datasheets. Ensure the supplier provides valid traceability documents. Cross-reference the full part string with distributor catalogs to avoid discrepancies in reel or cut-tape specifications.
Selection Notes
Select this component when a normally-closed analog switch is required for low-voltage applications. The 7 Ohm on-resistance suits signals where minimal voltage drop is critical. Verify that the 5 pF capacitance meets bandwidth requirements. Ensure the 5-TSSOP footprint aligns with the PCB layout. Confirm that the 1.65 V minimum supply voltage matches the system power rail.
Part Context
This component belongs to the TC7SB series of CMOS digital bus switches and analog switches. The series focuses on low-voltage operation and compact packaging solutions. The TC7SB66 variant specifically provides a single-channel configuration. The family emphasizes low power consumption and high-speed switching capabilities for modern portable electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult Toshiba Semiconductor and Storage technical support for direct replacements. Evaluate pin-compatible alternatives only after verifying electrical parameter equivalence.
