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Product Detailed Parameters
- Description：SINGLE-ENDED MUX, 8 CHANNEL
- 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 MC74HC4351AN is an 8-channel analog multiplexer/demultiplexer manufactured by onsemi. It operates within a supply voltage range of 2 V to 6 V and supports a wide analog input signal range from -5 V to +5 V. The device features three digital select inputs, eight independent I/O lines, and dual enable controls for flexible configuration. It includes address latches with a latch enable input to hold selection states. The component provides ESD protection exceeding 2000 V (HBM) and maintains low ON resistance across operating conditions. It is designed for industrial temperature ranges and ensures signal integrity through built-in 'break before make' switching characteristics.
Feature Summary
- Supports 8:1 analog or digital multiplexing and demultiplexing functions
- Includes address latches controlled by a dedicated latch enable input
- Provides high electrostatic discharge protection compliant with JEDEC standards
- Features logic level translation capabilities for interfacing 5 V logic with ±5 V analog signals
Applications
- Analog signal routing in data acquisition systems
- Digital multiplexing and demultiplexing in communication interfaces
- Signal gating and switching in test and measurement equipment
Procurement Notes
Verify the specific ordering suffix against official onsemi documentation to confirm package type and tape/reel specifications. Ensure compliance requirements match project needs, as suffixes may indicate RoHS status or packaging variations. Cross-reference the part number with current datasheets to validate availability and manufacturing status before procurement.
Selection Notes
Select this component when an 8-channel analog switch with integrated address latching is required. Verify that the supply voltage range of 2 V to 6 V aligns with system power rails. Confirm that the analog input voltage range of -5 V to +5 V covers the expected signal swing. Check thermal requirements against the specified operating temperature range for the target application environment.
Part Context
This device belongs to the 74HC series of CMOS logic components, specifically designed for high-speed analog switching applications. It serves as a critical interface element in systems requiring multiple signal sources to share a common path. The integration of latches simplifies control logic by reducing the number of active control lines needed during operation.
Replacement Considerations
The Nexperia 74HC4351 is a functionally equivalent alternative with identical pinout and electrical characteristics. Verify compatibility regarding package dimensions and mounting style before substitution. Ensure that any replacement part meets the same ESD protection and analog voltage range specifications.
