Overview
The SN74AC244DBRE4 is a high-performance octal buffer and line driver manufactured by Texas Instruments. This integrated circuit (IC) is designed to enhance the performance and density of memory address drivers, clock drivers, and bus-oriented receivers and transmitters. It is part of the 74AC series, known for its advanced CMOS technology. The device is organized as two 4-bit buffers/drivers with independent output-enable (OE) inputs, making it ideal for applications requiring high-speed data transfer and signal integrity. Its market positioning targets industrial automation, consumer electronics, and automotive systems, where reliability and efficiency are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Buffer, Non-Inverting | - | - |
| Number of Elements | 2 | - | - |
| Bits per Element | 4 | - | - |
| Input Type | - | - | - |
| Output Type | 3-State | - | - |
| Output Current (High/Low) | 24mA, 24mA | mA | - |
| Supply Voltage | 2V ~ 6V | V | - |
| Operating Temperature | -40°C ~ 85°C | °C | TA |
| Mounting Type | Surface Mount | - | - |
| Package/Case | 20-SSOP | - | 5.30mm wide |
Key Features
- High-speed operation with a maximum propagation delay of 7.5 ns at 5V.
- Wide operating voltage range (2V to 6V), ensuring compatibility with various systems.
- 3-state outputs for bus-oriented applications, enabling high impedance when disabled.
- Advanced CMOS technology for low power consumption and high noise immunity.
- Independent output-enable (OE) inputs for flexible control of each buffer/driver.
Applications
The SN74AC244DBRE4 is widely used in applications requiring robust signal buffering and driving capabilities. Typical applications include:
- Industrial Automation: Signal conditioning and data transmission in control systems.
- Consumer Electronics: Interface circuitry in devices such as printers and displays.
- Automotive Systems: Reliable data transfer in vehicle communication networks.
- Telecommunications: Signal integrity enhancement in high-speed communication systems.
Q & A
1. What is the operating voltage range of the SN74AC244DBRE4?
The operating voltage range is 2V to 6V.
2. What is the maximum output current of the device?
The maximum output current is 24mA for both high and low states.
3. What is the purpose of the 3-state outputs?
The 3-state outputs allow the device to enter a high-impedance state, enabling multiple devices to share a common bus without interference.
4. What is the propagation delay of the SN74AC244DBRE4?
The maximum propagation delay is 7.5 ns at 5V.
5. Can the device operate in extreme temperatures?
Yes, it operates within a temperature range of -40°C to 85°C.
6. What is the package type of the SN74AC244DBRE4?
The device is available in a 20-SSOP package.
7. How many buffers/drivers are included in the device?
It includes two 4-bit buffers/drivers.
8. Is the device suitable for automotive applications?
Yes, its robust design makes it suitable for automotive systems.
9. What is the logic type of the SN74AC244DBRE4?
It is a non-inverting buffer.
10. Can the device be used in industrial automation?
Yes, it is ideal for signal conditioning and data transmission in industrial automation systems.
