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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX1 80OHM SC74A
- Series：-
- 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：-
- Qualification：-
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Overview
The Nexperia 74HC1G66GV,125 is a single-pole, single-throw analog switch housed in an SC-74A (SOT753) package. It operates on a single supply voltage ranging from 2.0 V to 10.0 V and features two independent input/output terminals alongside a digital enable input. The device exhibits very low ON resistance, typically 45 Ω at 4.5 V, with propagation delays as fast as 10 ns at 9.0 V. It supports high noise immunity, CMOS low power dissipation, and robust latch-up performance exceeding 100 mA per JESD 78 Class II Level B.
Feature Summary
- Single-pole, single-throw configuration with bidirectional signal switching capability
- Wide operating supply voltage range supporting diverse logic levels
- Integrated clamp diodes for interfacing with voltages exceeding the supply rail
- High ESD protection compliant with ANSI/ESDA/JEDEC standards
Applications
- Signal routing in portable battery-powered equipment
- Level translation between mixed voltage domains
- Audio and video signal path switching
Procurement Notes
Verify the specific ordering suffix against official Nexperia documentation to confirm the exact package variant and tape-and-reel specifications. Ensure that the component meets RoHS compliance requirements relevant to your manufacturing region. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before finalizing procurement orders.
Selection Notes
Select this component when a compact, single-channel analog switch is required for signals up to 10 V. The SC-74A package offers space efficiency for dense PCB layouts. Consider the typical ON resistance variation across the supply voltage range and ensure the load current remains within the specified 25 mA limit to maintain optimal signal integrity and thermal performance.
Part Context
This device belongs to the Nexperia 74HC/HCT1G66 family of single-pole, single-throw analog switches. It shares functional similarities with the 74HCT1G66 but utilizes HC logic thresholds suitable for standard CMOS applications. The GV suffix specifically denotes the SC-74A surface-mount package, distinguishing it from the GW TSSOP variant.
Replacement Considerations
The 74HC1G66GW,125 serves as a direct functional substitute, differing only in its TSSOP5 (SOT353-1) package footprint. Designers must verify pinout compatibility and physical dimensions if swapping between the SC-74A and TSSOP5 packages.
