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Product Detailed Parameters
- Description：IC MUX 8:1 100OHM 16TSSOP
- Series：-
- Mfr：onsemi
- Package：Tube
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：100Ohm
- Channel-to-Channel Matching (ΔRon)：10Ohm
- Voltage - Supply, Single (V+)：2V ~ 6V
- Voltage - Supply, Dual (V±)：±2V ~ 6V
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：80MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：130pF
- Current - Leakage (IS(off)) (Max)：200nA
- Crosstalk：-60dB @ 1MHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The MC74HCT4051ADTG is a discontinued single-pole, eight-position analog multiplexer/demultiplexer manufactured by onsemi. It utilizes high-performance silicon-gate CMOS technology and features LSTTL-compatible inputs. The device operates with a digital supply voltage (VCC) ranging from 2.0 V to 6.0 V and an analog power supply range (VCC - VEE) of 2.0 V to 12.0 V. Key electrical specifications include a maximum ON resistance of 100 Ω at VCC = 6.0 V, a -3 dB bandwidth of 80 MHz, and a channel-to-channel ON resistance matching of 10 Ω. The component provides low off-channel leakage current (maximum 200 nA), crosstalk isolation of -60 dB at 1 MHz, and input capacitance of 10 pF. It is housed in a 16-TSSOP surface-mount package.
Feature Summary
- Utilizes silicon-gate CMOS technology for fast switching speeds and low noise performance.
- Features improved ON resistance linearity over the full analog voltage range compared to metal-gate counterparts.
- Includes diode protection on all inputs and outputs to guard against static discharge.
- Digital control inputs are compatible with standard CMOS and LSTTL logic levels.
Applications
- Signal routing in data acquisition systems
- Audio signal switching and matrix applications
- Test and measurement equipment signal paths
Procurement Notes
This specific part number is officially listed as discontinued by the manufacturer. Verification of availability should focus on surplus distributors or secondary markets rather than direct manufacturing channels. Buyers must confirm the authenticity of the source and check for potential obsolescence notices before procurement planning.
Selection Notes
Designers requiring this functionality should evaluate active replacements within the HCT4051 family or equivalent devices from other manufacturers. Considerations include verifying pinout compatibility, ensuring the replacement meets the required analog voltage swing limits, and confirming that propagation delay and ON resistance specifications align with the system requirements.
Part Context
The MC74HCT4051ADTG belongs to the MC74HCT405xA series, which also includes the dual-pole MC74HCT4052A and triple-pole MC74HCT4053A. These devices share identical pinouts with older metal-gate MC1405xAB series components, facilitating drop-in upgrades for legacy designs while offering improved linearity and lower ON resistance characteristics inherent to silicon-gate CMOS processes.
Replacement Considerations
Publicly confirmed substitute part numbers include M74HCT4051ADTR2G and NLV74HCT4051ADTR2G. Both alternatives utilize the TSSOP-16 package and maintain functional compatibility with the discontinued MC74HCT4051ADTG.
