Overview
The SN74ABT541BDWR is an octal buffer and line driver produced by Texas Instruments. This device is part of the SN74ABT541B series and is designed to operate within a voltage range of 4.5 V to 5.5 V. It features TTL-compatible CMOS inputs and 3-state outputs, making it ideal for driving bus lines or buffering memory address registers. The device is packaged in a 20-pin SOIC (DW) package, facilitating easy integration into various electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC (DW) |
| Pins | 20 |
| Operating Temperature Range | -40°C to 85°C |
| Input Type | TTL-compatible CMOS |
| Output Type | 3-state |
| Output Drive Capability | -32 mA (IOH), 64 mA (IOL) |
| Voltage Range | 4.5 V to 5.5 V |
| Latch-Up Performance | Exceeds 500 mA per JEDEC Standard JESD-17 |
| Output Ground Bounce (VOLP) | < 1 V at VCC = 5 V, TA = 25°C |
Key Features
- State-of-the-Art EPIC-IIB BiCMOS Design significantly reduces power dissipation.
- Latch-Up Performance exceeds 500 mA per JEDEC Standard JESD-17.
- Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C.
- High-Impedance State During Power Up and Power Down.
- High-Drive Outputs (-32-mA IOH, 64-mA IOL).
- Inputs and outputs on opposite sides of the package to facilitate printed circuit board layout.
- 3-state control gate is a two-input AND gate with active-low inputs.
Applications
The SN74ABT541BDWR is suitable for various applications, including driving bus lines and buffering memory address registers. Its high-drive outputs and 3-state control make it particularly useful in systems requiring robust signal transmission and control. It is also applicable in environments where power efficiency and low ground bounce are critical.
Q & A
- What is the operating temperature range of the SN74ABT541BDWR? The operating temperature range is -40°C to 85°C.
- What type of inputs does the SN74ABT541BDWR have? The device has TTL-compatible CMOS inputs.
- What is the output drive capability of the SN74ABT541BDWR? The output drive capability is -32 mA (IOH) and 64 mA (IOL).
- What is the voltage range for the SN74ABT541BDWR? The voltage range is 4.5 V to 5.5 V.
- How does the 3-state control gate function? The 3-state control gate is a two-input AND gate with active-low inputs, so if either output-enable (OE1 or OE2) input is high, all eight outputs are in the high-impedance state.
- What is the package type and pin count of the SN74ABT541BDWR? The package type is SOIC (DW) with 20 pins.
- What are the key benefits of the EPIC-IIB BiCMOS design? The EPIC-IIB BiCMOS design significantly reduces power dissipation and improves latch-up performance.
- How does the device behave during power up and power down? The device is in the high-impedance state during power up and power down.
- What is the typical output ground bounce (VOLP)? The typical output ground bounce (VOLP) is less than 1 V at VCC = 5 V, TA = 25°C.
- What are some common applications for the SN74ABT541BDWR? Common applications include driving bus lines and buffering memory address registers.
