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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX1 40OHM 5TSOP
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：40Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：2V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：20ns, 20ns
- -3db Bandwidth：180MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：10pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Supplier Device Package：5-TSOP
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The MC74VHC1G66DTT1G is a single-channel, normally open SPST analog switch manufactured by onsemi. It operates within a supply voltage range of 2 V to 5.5 V and features a maximum on-resistance of 40 ohms. The device provides a -3dB bandwidth of 180 MHz and maintains an off-state leakage current of 100 nA maximum. It utilizes a TSOP-5 surface-mount package and supports an operating temperature range from -55°C to +125°C.
Feature Summary
- Single-channel SPST configuration for signal routing
- Low on-resistance for minimal signal attenuation
- High bandwidth capability for high-frequency applications
- Wide operating temperature range for industrial environments
Applications
- Signal path switching in communication systems
- Data acquisition systems requiring low distortion
- Audio/video signal routing
- Test and measurement equipment
Procurement Notes
Verify the specific suffix 'DTT1G' against the manufacturer's latest datasheet to confirm pinout compatibility and RoHS status. Check for obsolescence notices or PCN documents as this component family has undergone lifecycle changes. Ensure the supplier provides valid traceability documentation for quality assurance purposes.
Selection Notes
Select this component when a single-pole single-throw switch with low on-resistance is required. Compare the 40-ohm on-resistance and 180-MHz bandwidth against system requirements. Consider the TSOP-5 package size for space-constrained designs. Verify that the 2-V to 5.5-V supply range matches the target circuit voltage levels.
Part Context
This part belongs to the MC74VHC1G series of single-gate logic devices. It shares the same logical function as the MC74VHC1GT66 but may differ in packaging or specific electrical characteristics. The 'VHC' designation indicates High-Speed CMOS technology optimized for low power consumption and fast switching speeds.
Replacement Considerations
The MC74VHC1GT66 is a related part number within the same product family. Verify pinout and electrical specifications before substitution. Other manufacturers offer similar SPST switches, but direct pin-to-pin replacements require careful comparison of on-resistance and leakage current parameters.
