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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX1 80OHM 5TSSOP
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- 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：5-TSSOP, SC-70-5, SOT-353
- Supplier Device Package：5-TSSOP
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The Nexperia 74HC1G66GW,165 is a single-pole, single-throw analog switch housed in a TSSOP5 (SOT353-1) package. It operates on a single supply voltage ranging from 2.0 V to 10.0 V. The device features very low ON resistance, typically 45 Ω at 4.5 V and 25 Ω at 9.0 V. It provides high noise immunity with CMOS low power dissipation and includes input clamp diodes for interfacing with voltages exceeding VCC. The component meets JEDEC standards and offers ESD protection exceeding 2000 V HBM.
Feature Summary
- Single-pole, single-throw analog switching configuration
- Wide supply voltage range supporting 2.0 V to 10.0 V operation
- Input clamp diodes enable safe interfacing with voltages above VCC
Applications
- Signal routing in mixed-voltage environments
- Audio signal path switching
- Data acquisition system multiplexing
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and temperature range specifications. Ensure that the procurement channel sources directly from authorized distributors to guarantee product authenticity and traceability. Cross-reference the part number with the latest datasheet revision to confirm compliance with current JEDEC and RoHS standards before finalizing orders.
Selection Notes
Select this component when a bidirectional analog switch is required within a 2.0 V to 10.0 V supply range. The 74HC1G66 is suitable for applications demanding low ON resistance and high noise immunity. Consider the TSSOP5 package constraints for board space. Verify that the application does not require automotive qualification, as this specific HC variant lacks AEC-Q100 certification compared to the Q100 series.
Part Context
This component belongs to the Nexperia 74HC family of high-speed CMOS logic devices. It shares functional similarities with the 74HCT1G66 but differs in control input threshold levels. The 74HC1G66 utilizes standard CMOS thresholds, whereas the HCT version supports TTL logic levels. Both variants utilize the same SOT353-1 or SOT753 packages and share identical analog switching characteristics.
Replacement Considerations
The 74HCT1G66GW serves as a direct pin-compatible alternative if TTL logic level compatibility is required. For automotive applications, consider the 74AHC1G66GW-Q100H, which offers similar performance with AEC-Q100 qualification. Verify that any substitute maintains the required ON resistance and supply voltage range specifications.
