Overview
The SN74AHCT244DWE4, manufactured by Texas Instruments, is a high-performance octal buffer and line driver designed for a variety of digital applications. This component is part of the 74AHCT series, known for its compatibility with TTL levels and robust performance in industrial environments. It is particularly suited for applications requiring signal buffering, level shifting, and bus driving. The SN74AHCT244DWE4 is RoHS compliant and comes in a compact SOIC-20 package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Function | Octal Buffer/Line Driver | - | Non-Inverting |
| Input Lines | 8 | - | - |
| Output Lines | 8 | - | 3-State Output |
| Supply Voltage (Min) | 4.5 | V | - |
| Supply Voltage (Max) | 5.5 | V | - |
| Operating Temperature | -40 to +85 | °C | - |
| Package | SOIC-20 | - | - |
| Propagation Delay | 45 | ns | at 4.5V |
| Static Current | 8 | µA | - |
| High-Level Output Current | -6 | mA | - |
| Low-Level Output Current | 6 | mA | - |
Key Features
- Octal buffer/line driver with 3-state outputs for bus-oriented applications.
- Non-inverting logic for straightforward signal transmission.
- Wide operating voltage range (4.5V to 5.5V) ensures compatibility with TTL levels.
- Robust performance in industrial temperature ranges (-40°C to +85°C).
- Compact SOIC-20 package for space-efficient designs.
Applications
The SN74AHCT244DWE4 is widely used in digital systems requiring signal buffering and level shifting. Typical applications include bus driving in microcontrollers, signal conditioning in communication systems, and interfacing between TTL and CMOS logic levels. Its 3-state outputs make it particularly useful in bus-oriented systems where multiple devices share a common data bus.
Q & A
What is the function of the SN74AHCT244DWE4?
The SN74AHCT244DWE4 is an octal buffer and line driver designed to buffer and drive signals in digital systems.
What is the operating voltage range?
The operating voltage range is from 4.5V to 5.5V.
What is the package type?
It comes in an SOIC-20 package.
Is it compatible with TTL levels?
Yes, it is compatible with TTL levels.
What is the maximum propagation delay?
The maximum propagation delay is 45ns at 4.5V.
What is the operating temperature range?
The operating temperature range is from -40°C to +85°C.
What is the static current consumption?
The static current consumption is 8µA.
What are the output types?
The outputs are 3-state, allowing for high-impedance states when not active.
What is the high-level output current?
The high-level output current is -6mA.
What is the low-level output current?
The low-level output current is 6mA.
