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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX1 40OHM SC88A
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- 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)：-
- -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：5-TSSOP, SC-70-5, SOT-353
- Supplier Device Package：SC-88A (SC-70-5/SOT-353)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The MC74VHC1G66DFT1G is a single-channel SPST normally open analog switch from the onsemi 74VHC1G series. It operates within a supply voltage range of 2 V to 5.5 V and supports signal voltages up to VDD. The device features a maximum on-resistance of 40 Ohms, with propagation delay and turn-off times both limited to 25 ns. It is housed in a SOT-353 (SC-88A) surface-mount package with five pins. The component functions as a high-speed analog switch suitable for low-voltage applications, maintaining an off-state leakage current of 100 nA maximum.
Feature Summary
- Single-channel SPST configuration for signal routing
- High-speed switching capability with 25 ns delays
- Low on-resistance for minimal signal loss
- Wide operating temperature range for industrial use
Applications
- Portable battery-powered equipment
- LCD panel bias voltage control
- Signal path selection in communication devices
- Audio and video signal switching
Procurement Notes
Verify the specific suffix DFT1G against official datasheets to confirm package type and tape/reel specifications. Check for recent Product Change Notifications regarding manufacturing site changes or material declarations. Ensure compliance with RoHS directives if required by the target application environment.
Selection Notes
Select this component when a single-pole single-throw switch is needed with low on-resistance and fast switching speeds. Compare against the MC74VHC1G66 family for pin-compatible alternatives. Consider the SOT-353 package constraints for PCB layout and thermal management requirements in dense designs.
Part Context
This part belongs to the MC74VHC1G series of single-gate logic and analog switches. It shares functional similarities with other members like the MC74VHC1G05 but differs in being an analog switch rather than a digital buffer. The series is designed for low-voltage CMOS applications requiring high speed and low power consumption.
Replacement Considerations
The MC74VHC1GT66DTT1 is a documented substitute with similar electrical characteristics. Verify pinout compatibility between SOT-353 variants before substitution.
