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Product Detailed Parameters
- Description：IC MUX 8:1 400OHM 16DIP
- Series：-
- Mfr：onsemi
- Package：Tube,Tube
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：400Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：2V ~ 6V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：40pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：16-DIP (0.300", 7.62mm)
- Supplier Device Package：16-PDIP
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The MC74HC4851AN is a single 8-channel analog multiplexer/demultiplexer manufactured by onsemi using silicon gate CMOS technology. It features injection current effect control, allowing signals at disabled inputs to exceed the supply voltage range without affecting the enabled channel. The device operates within a wide supply voltage range of 2V to 6V. Key electrical parameters include an on-resistance of 150Ω typ at VCC=6V and a propagation delay of 8.6ns typ at VCC=4.5V. It offers high noise immunity with VIH/VIL levels at 28% of VCC and supports latch-up performance exceeding 500mA per JESD 17 standards.
Feature Summary
- Injection current effect control for signal integrity during out-of-range input conditions
- Wide operating supply voltage range compatible with various logic families
- High noise immunity and robust latch-up protection
Applications
- Automotive applications requiring voltage tolerance beyond standard logic levels
- Data acquisition systems utilizing multiple sensor inputs
- Signal routing in communication equipment
Procurement Notes
Verify the package type matches the specific suffix requirements, as the 'N' suffix typically denotes a DIP package while other variants may use SOIC or TSSOP. Confirm RoHS compliance status through official datasheets, as older revisions or specific manufacturing batches may differ from current environmental declarations. Ensure the ordering suffix aligns with the desired tape-and-reel or tube packaging configuration for automated assembly processes.
Selection Notes
Select this component when injection current protection is required for analog signals exceeding the supply rails. Compare on-resistance values across different supply voltages to ensure signal fidelity meets system specifications. Verify that the propagation delay characteristics are sufficient for the target switching frequency. Consider alternative packages such as SOIC or TSSOP if board space constraints preclude the use of the DIP format associated with the 'N' suffix.
Part Context
This part belongs to the 74HC series of analog switches, designed for general-purpose multiplexing tasks. It is functionally compatible with the legacy 4051 and 4851 series but utilizes modern CMOS technology for lower power consumption and higher speed. The device serves as a direct replacement for older bipolar or NMOS multiplexers in designs requiring improved noise immunity and reduced static power dissipation.
Replacement Considerations
The MC74HCT4851A offers LSTTL-compatible inputs for systems requiring 5V logic interfacing. Nexperia's 74HC4851D-Q100 provides AEC-Q100 automotive qualification. Check pinout compatibility before substituting with differential mux variants like the MC74HC4852A.
