Overview
The SN74AHC244PW is a high-performance octal buffer and line driver produced by Texas Instruments. This integrated circuit (IC) belongs to the AHC (Advanced High-Speed CMOS) family, designed to provide enhanced speed and low power consumption. It is widely used in digital systems for signal buffering and driving applications. The SN74AHC244PW is particularly suitable for applications requiring high-speed data transfer and robust signal integrity. Its market positioning targets engineers and designers working on industrial automation, consumer electronics, and automotive systems. The product stands out for its high-speed operation, low power dissipation, and compatibility with a wide range of voltage levels.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Buffer/Line Driver | - | Octal |
| Number of Channels | 8 | - | - |
| Supply Voltage (VCC) | 2 to 5.5 | V | - |
| High-Level Output Current (IOH) | -8 | mA | VCC = 4.5V |
| Low-Level Output Current (IOL) | 8 | mA | VCC = 4.5V |
| Propagation Delay (tpd) | 7.5 | ns | VCC = 5V, CL = 50pF |
| Operating Temperature Range | -40 to 85 | °C | - |
| Package Type | TSSOP | - | 20-pin |
| Mounting Type | Surface Mount | - | - |
| Technology | CMOS | - | AHC |
Key Features
- High-Speed Operation: Designed for fast signal propagation, making it ideal for high-performance digital systems.
- Low Power Consumption: Utilizes CMOS technology to minimize power dissipation, enhancing energy efficiency.
- Wide Operating Voltage Range: Supports voltages from 2V to 5.5V, ensuring compatibility with various logic levels.
- Octal Buffer/Driver: Provides eight independent channels for buffering and driving signals.
- Robust Output Drive: Capable of sourcing and sinking significant current, ensuring reliable signal integrity.
- Compact Package: Available in a 20-pin TSSOP package, saving board space in compact designs.
Applications
The SN74AHC244PW is versatile and finds applications in multiple fields, including:
- Industrial Automation: Used for signal buffering in control systems and PLCs (Programmable Logic Controllers).
- Consumer Electronics: Ideal for driving signals in devices such as smartphones, tablets, and gaming consoles.
- Automotive Systems: Employed in vehicle electronics for robust signal transmission and noise immunity.
- Data Communication: Suitable for high-speed data transfer in networking equipment and communication interfaces.
- Embedded Systems: Used in microcontrollers and processors for interfacing with peripherals.
Q & A
1. What is the operating voltage range of the SN74AHC244PW?
The SN74AHC244PW operates within a voltage range of 2V to 5.5V.
2. How many channels does this IC have?
It has 8 independent channels for buffering and driving signals.
3. What is the propagation delay of the SN74AHC244PW?
The propagation delay is typically 7.5 ns at 5V supply voltage with a 50pF load.
4. Is the SN74AHC244PW compatible with TTL logic levels?
Yes, it is compatible with TTL logic levels due to its wide operating voltage range.
5. What is the package type of this IC?
It is available in a 20-pin TSSOP (Thin Shrink Small Outline Package).
6. Can this IC be used in automotive applications?
Yes, it is suitable for automotive systems due to its robust design and noise immunity.
7. What is the maximum output current it can drive?
It can source or sink up to 8 mA of current per channel.
8. Does the SN74AHC244PW support surface mounting?
Yes, it is designed for surface mount applications.
9. What is the operating temperature range?
It operates within a temperature range of -40°C to 85°C.
10. What is the primary use of this IC?
It is primarily used for signal buffering and driving in digital systems.
