Overview
The CD74HC4049MT is a high-speed CMOS logic gate produced by Texas Instruments. This device is part of the 74HC series, known for its high noise immunity and low power consumption. It is specifically designed as a non-inverting hex buffer and line driver, making it suitable for a variety of digital logic applications. The CD74HC4049MT operates over a wide voltage range from 2V to 6V, allowing it to be used in diverse electronic systems.
Key Specifications
| Parameter | Symbol | Test Conditions | Units | Min | ||
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | - | V | 2 | - | 6 |
| Input Voltage Range | VI | - | V | -0.5 | - | 16 |
| High Level Input Voltage | VIH | VCC = 5V | V | 3.15 | - | - |
| Low Level Input Voltage | VIL | VCC = 5V | V | - | - | 1.35 |
| Propagation Delay (CL = 15pF) | tPLH, tPHL | VCC = 5V | ns | 14 | 18 | 22 |
| Transition Times (CL = 15pF) | tTLH, tTHL | VCC = 5V | ns | 13 | 16 | 19 |
| Input Capacitance | CI | - | pF | - | - | 10 |
| Operating Temperature Range | - | - | °C | -55 | - | 125 |
Key Features
- High-Speed Operation: The CD74HC4049MT features typical propagation delays of 6ns at VCC = 5V and CL = 15pF, making it suitable for high-speed digital applications.
- Wide Operating Voltage Range: Operates from 2V to 6V, allowing flexibility in various system designs.
- High Noise Immunity: Offers high noise immunity with NIL = 30% and NIH = 30% of VCC at VCC = 5V.
- Low Power Consumption: Significant power reduction compared to LSTTL logic ICs, with quiescent device current as low as 2µA.
- Input Protection: Modified input protection structure protects against negative electrostatic discharge and allows for logic level translation.
- Multiple Package Options: Available in PDIP, SOIC, SOP, and TSSOP packages to suit different design requirements.
Applications
- Digital Logic Circuits: Suitable for use in various digital logic circuits requiring non-inverting buffers and line drivers.
- Level Translation: Can be used to translate high-level logic signals to low-level logic signals, making it useful in mixed-voltage systems.
- Embedded Systems: Often used in embedded systems where high-speed and low power consumption are critical.
- Industrial Control Systems: Used in industrial control systems that require reliable and high-speed logic operations.
Q & A
- What is the operating voltage range of the CD74HC4049MT?
The CD74HC4049MT operates over a voltage range from 2V to 6V.
- What is the typical propagation delay of the CD74HC4049MT at VCC = 5V and CL = 15pF?
The typical propagation delay is 6ns.
- What is the input voltage range for the CD74HC4049MT?
The input voltage range is from -0.5V to 16V.
- What are the package options available for the CD74HC4049MT?
It is available in PDIP, SOIC, SOP, and TSSOP packages.
- What is the operating temperature range of the CD74HC4049MT?
The operating temperature range is from -55°C to 125°C.
- Does the CD74HC4049MT have input protection against electrostatic discharge?
Yes, it has a modified input protection structure that protects against negative electrostatic discharge.
- Can the CD74HC4049MT be used for level translation?
Yes, it can be used to translate high-level logic signals to low-level logic signals.
- What is the quiescent device current of the CD74HC4049MT?
The quiescent device current is as low as 2µA.
- Is the CD74HC4049MT suitable for high-speed applications?
Yes, it is designed for high-speed operations with typical propagation delays of 6ns.
- What are some common applications of the CD74HC4049MT?
It is commonly used in digital logic circuits, level translation, embedded systems, and industrial control systems.
