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Product Detailed Parameters
- Description：LOG CMOS MLTIPLEXER 8CHAN
- Series：*
- Mfr：onsemi
- 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 MC74HC4051FL1 is an analog multiplexer/demultiplexer manufactured by onsemi, utilizing high-performance silicon-gate CMOS technology. It provides a single 8-to-1 channel configuration with three digital select inputs and one active-low enable input. The device supports an analog power supply range of 2.0 V to 12.0 V (VCC – VEE) and a digital control supply range of 2.0 V to 6.0 V (VCC – GND). Key electrical characteristics include low ON resistance, low OFF leakage currents, and fast switching speeds. The component features diode protection on all inputs and outputs and is designed for improved linearity compared to metal-gate counterparts.
Feature Summary
- Utilizes silicon-gate CMOS technology to achieve fast propagation delays and low ON resistances.
- Controls analog voltages varying across the complete power supply range from VCC to VEE.
- Features diode protection on all inputs and outputs to enhance reliability.
- Provides low crosstalk between switches and low noise performance.
Applications
- Signal routing in data acquisition systems
- Audio signal switching applications
- Process control system I/O modules
Procurement Notes
Verify the specific suffix FL1 against the official datasheet to confirm package type and tape/reel specifications. Confirm RoHS compliance status and check for end-of-life notifications or obsolescence notices prior to procurement. Ensure the supplier provides valid traceability documentation for the manufacturing lot.
Selection Notes
Select this component when an 8-channel analog switch is required with a wide analog voltage range up to 12 V differential. Compare ON resistance linearity and leakage current specifications against alternative HC-series devices. Verify that the digital control logic levels are compatible with the system's CMOS or LSTTL outputs.
Part Context
This part belongs to the MC54/74HC405x series of analog multiplexers. It shares pinout compatibility with older metal-gate MC14051B devices. The series includes related models such as the 4-to-1 HC4052 and the dual 4-to-1 HC4053, offering scalable channel counts for similar analog switching requirements.
Replacement Considerations
Check for direct equivalents from other manufacturers producing the 74HC4051 standard. Verify pinout compatibility with legacy MC14051B designs if replacing older hardware. Consider variants with latched channel selects if external latch circuitry can be eliminated.
