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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX1 80OHM SC74A
- Series：74HC
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：80Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：2V ~ 10V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：20ns, 20ns
- -3db Bandwidth：200MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SC-74A
- Number of Circuits：1
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The Nexperia 74HC1G66GV-Q100H is an automotive-qualified single-pole, single-throw (SPST) analog switch featuring a bidirectional Y/Z interface and an active HIGH enable input (E). It operates within a supply voltage range of 2.0 V to 10.0 V and supports ambient temperatures from -40 °C to +125 °C. The device utilizes a 5-lead SC-74A (SOT753) surface-mount package. Key electrical characteristics include a typical ON resistance of 45 Ω at 4.5 V and up to 142 Ω maximum at 4.5 V. Propagation delay ranges from 10 ns to 90 ns depending on the supply voltage.
Feature Summary
- Automotive qualification in accordance with AEC-Q100 Grade 1 standards for reliable operation in vehicle environments.
- Wide supply voltage capability extending up to 10.0 V, allowing compatibility with various power rails.
- High noise immunity and low power dissipation inherent to CMOS technology.
- Robust ESD protection exceeding 2000 V via Human Body Model and 1000 V via Charged Device Model.
Applications
- Signal routing in mixed-voltage automotive electronic systems
- Battery management system signal switching
- General-purpose analog signal path control
Procurement Notes
Verify that the specific ordering suffix matches the required package variant. Confirm the temperature grade aligns with the application's thermal requirements. Ensure the component meets the necessary AEC-Q100 reliability standards for the intended deployment environment.
Selection Notes
Select this component when a wide supply voltage range up to 10 V is required for analog switching. Consider the SC-74A package dimensions for space-constrained PCB layouts. Evaluate the ON resistance specifications against the load current requirements to ensure acceptable voltage drop across the switch.
Part Context
This part belongs to the 74HC1G66-Q100 family of single-channel analog switches. It shares functional similarities with other SPST switches but is distinguished by its extended 10 V supply capability and specific automotive qualification status compared to standard commercial logic families.
Replacement Considerations
Direct replacements include the 74HC1G66GW-Q100H, which offers identical functionality in a TSSOP5 package. Verify pinout compatibility and physical footprint differences when substituting between SOT753 and SOT353-1 packages.
FAQ
What is the maximum supply voltage supported by the 74HC1G66GV-Q100H?
The device supports a maximum supply voltage (VCC) of 10.0 V.
How does the enable input function affect the switch state?
The switch turns ON when the enable input (E) is HIGH and turns OFF when the enable input is LOW.
Is the 74HC1G66GV-Q100H suitable for high-frequency applications?
Yes, it features a -3 dB frequency response of approximately 180 MHz at 4.5 V and 200 MHz at 9.0 V.
