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MC14051BD from ON,ON Semiconductor

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MC14051BD

Manufacturer: ON, MOTOROLA, MOT

Analog MultiplexerDemultiplexer

Partnumber Manufacturer Quantity Availability
MC14051BD ON, MOTOROLA, MOT 68 In Stock

Description and Introduction

Analog MultiplexerDemultiplexer The MC14051BD is a single 8-channel analog multiplexer/demultiplexer manufactured by Motorola.  

### **Specifications:**  
- **Supply Voltage Range (VDD):** 3V to 18V  
- **Low "ON" Resistance:** 125Ω (typical) at VDD = 15V  
- **High "OFF" Resistance:** Channel leakage of 0.1nA (typical) at VDD = 18V  
- **Logic-Level Compatibility:** CMOS and TTL compatible  
- **Break-Before-Make Switching:** Prevents signal overlap  
- **Operating Temperature Range:** -55°C to +125°C  
- **Package Type:** 16-pin SOIC (D)  

### **Descriptions:**  
- The MC14051BD is part of the MC14000B series CMOS logic family.  
- It functions as an analog switch, allowing one of eight inputs to be connected to a common output (or vice versa in demultiplexer mode).  
- It features three binary control inputs (A, B, C) and an inhibit input for enabling/disabling all channels.  

### **Features:**  
- **Wide Voltage Range Operation:** Supports 3V to 18V DC.  
- **Low Power Consumption:** CMOS technology ensures minimal power dissipation.  
- **High Noise Immunity:** Typical of CMOS logic.  
- **Matched Switching Characteristics:** Ensures consistent performance across channels.  
- **ESD Protection:** Built-in protection against electrostatic discharge.  

This device is commonly used in signal routing, data acquisition, and analog/digital switching applications.  

(Note: All details are based on Motorola's original specifications.)

Application Scenarios & Design Considerations

Analog MultiplexerDemultiplexer

Alternative Part Number

  • CD4051BE --: Pin-compatible CMOS analog multiplexer/demultiplexer with the same 8-channel function and widely available from a different manufacturer.
  • HEF4051BT --: Direct functional equivalent 8-channel analog multiplexer/demultiplexer in SOIC package, suitable drop-in replacement.
  • 74HC4051D --: High-speed CMOS 8-channel analog multiplexer with matching pinout and logic compatibility, from a different series naming.
  • HEF4051BP --: Direct functional equivalent 8-channel analog multiplexer with compatible pinout and supply range.
  • 74HC4051N --: High-speed CMOS 8-channel analog multiplexer/demultiplexer, pin-compatible substitute for the MC14051B.
  • CD74HC4051E --: High-speed CMOS 8-channel analog multiplexer with similar pinout and function, suitable when faster switching or lower on-resistance is acceptable.

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