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Product Detailed Parameters
- Description：74HC1G66 SINGLE-POLE, SINGLE-THR
- Series：*
- Mfr：Renesas Electronics Corporation
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：-
- On-State Resistance (Max)：-
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：-
- Crosstalk：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Number of Circuits：-
- Grade：-
- Qualification：-
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Overview
The 74HC1G66CME-E is a single-pole single-throw (SPST) analog switch manufactured by Renesas Electronics Corporation. It operates on a wide supply voltage range of 2.0 V to 10.0 V and features very low ON resistance, typically 45 Ω at 4.5 V, 30 Ω at 6.0 V, and 25 Ω at 9.0 V. The device includes an active HIGH enable input pin; when LOW, the switch turns off. It offers high noise immunity, low power dissipation, and ESD protection exceeding 2000 V per JESD22-A114E. Operating temperatures are specified from -40 °C to +85 °C or -40 °C to +125 °C depending on the variant.
Feature Summary
- Single-pole single-throw analog switch configuration with two input/output pins and one active HIGH enable pin
- Very low ON resistance across standard supply voltages for efficient signal transmission
- High noise immunity and low power dissipation characteristics suitable for sensitive applications
- Robust ESD protection meeting JESD22-A114E HBM standards exceeding 2000 V
Applications
- Signal routing in portable battery-powered equipment
- Audio and video signal switching in consumer electronics
- Data acquisition systems requiring low distortion
- Communication interfaces needing high noise immunity
Procurement Notes
Verify the specific suffix and temperature grade against the official Renesas datasheet before ordering. Confirm package availability and lead times directly with authorized distributors. Ensure compliance with RoHS directives and check for any recent product change notices affecting this component.
Selection Notes
Select this component for designs requiring a compact SPST analog switch with low ON resistance. Compare performance metrics such as leakage current and bandwidth against alternatives if operating near voltage limits. Verify that the chosen temperature range matches the environmental requirements of the final application.
Part Context
This part belongs to the 74HC1G66 family of high-speed Si-gate CMOS devices. It is functionally compatible with industry-standard equivalents like the 74HC4066 but in a smaller footprint. The series is designed for general-purpose analog switching in digital and mixed-signal circuits.
Replacement Considerations
Direct substitutes include the 74HC1G66GW from Nexperia and other 74HC1G66 variants from NXP Semiconductors. Verify pin compatibility and electrical specifications before substitution.
