Overview
The CD74HC4051M is a high-speed CMOS logic analog multiplexer and demultiplexer produced by Texas Instruments. This device utilizes silicon gate CMOS technology to achieve operating speeds similar to LSTTL with the low power consumption characteristic of standard CMOS integrated circuits. It is designed to control analog voltages that may vary across the voltage supply range, making it a versatile component for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| DC Supply Voltage (VCC - VEE) | -0.5 | 10.5 | V | |
| Input High Voltage (VIH) | 2 | V | ||
| Input Low Voltage (VIL) | 0.8 | V | ||
| ON Resistance (rON) at VCC = 4.5V | 70 | 160 | Ω | |
| ON Resistance (rON) at VCC = 6V | 60 | 140 | Ω | |
| Operating Temperature Range | -55°C | 125°C | °C | |
| Switch Voltage Range | 0V | 10V | V | |
| Propagation Delay (tPHL, tPLH) | 10 | 15 | ns |
Key Features
- Qualified for automotive applications
- Wide analog input voltage range: ±5V maximum
- Low ON-resistance: 70Ω typical at VCC - VEE = 4.5V and 60Ω typical at VCC - VEE = 6V
- Low crosstalk between switches
- Fast switching and propagation speeds
- Break-before-make switching
- Wide operating temperature range: -55°C to +125°C
- Operation control voltage: 2V to 6V for HC types and 4.5V to 5.5V for HCT types
- Direct LSTTL input logic compatibility
- CMOS input compatibility
Applications
- Digital radio
- Signal gating
- Factory automation
- Televisions
- Appliances
- Programmable logic circuits
- Sensors
Q & A
- What is the CD74HC4051M used for?
The CD74HC4051M is used as an analog multiplexer and demultiplexer, controlling analog voltages across a wide range.
- What is the operating temperature range of the CD74HC4051M?
The operating temperature range is -55°C to +125°C.
- What are the typical ON-resistance values for the CD74HC4051M?
The typical ON-resistance is 70Ω at VCC - VEE = 4.5V and 60Ω at VCC - VEE = 6V.
- What are the input voltage levels for the CD74HC4051M?
The input high voltage (VIH) is 2V minimum, and the input low voltage (VIL) is 0.8V maximum.
- What is the propagation delay of the CD74HC4051M?
The propagation delay (tPHL, tPLH) is typically 10 to 15 ns.
- Is the CD74HC4051M compatible with LSTTL logic?
Yes, it is compatible with LSTTL input logic.
- What are the package options for the CD74HC4051M?
The device is available in CDIP, PDIP, SOIC, SOP, and TSSOP packages.
- What is the maximum junction temperature for the CD74HC4051M?
The maximum junction temperature is 150°C.
- Is the CD74HC4051M suitable for automotive applications?
Yes, it is qualified for automotive applications.
- What is the switch voltage range for the CD74HC4051M?
The switch voltage range is 0V to 10V.
