Overview
The SN74ABT541BPW is an octal buffer and line driver produced by Texas Instruments. This device is part of the SN74ABT541B series and is packaged in a 20-pin Thin Shrink Small-Outline (TSSOP) package. It is designed to operate within a voltage range of 4.5 V to 5.5 V, making it suitable for a variety of digital logic applications. The SN74ABT541BPW features inputs and outputs on opposite sides of the package, which facilitates easier printed circuit board layout. This component is ideal for driving bus lines or buffering memory address registers due to its high-drive outputs and 3-state control capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | Thin Shrink Small-Outline (TSSOP) |
| Pins | 20 |
| Operating Temperature Range (°C) | -40 to 85 |
| Operating Voltage Range (V) | 4.5 to 5.5 |
| Output Drive Capability | -32 mA (IOH), 64 mA (IOL) |
| 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 reducing 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).
- 3-State Control Gate with active-low inputs (OE1 and OE2).
- Multiple package options including TSSOP, SOIC, SSOP, PDIP, CDIP, and others.
Applications
The SN74ABT541BPW is ideal for various digital logic applications, including:
- Driving bus lines in digital systems.
- Buffering memory address registers.
- General-purpose digital logic circuits requiring high-drive outputs and 3-state control.
Q & A
- What is the operating voltage range of the SN74ABT541BPW?
The operating voltage range is 4.5 V to 5.5 V.
- What is the package type of the SN74ABT541BPW?
The package type is Thin Shrink Small-Outline (TSSOP) with 20 pins.
- What are the key features of the SN74ABT541BPW?
The key features include state-of-the-art EPIC-IIB BiCMOS design, high-drive outputs, latch-up performance exceeding 500 mA, and high-impedance state during power up and power down.
- What is the typical output ground bounce (VOLP) of the SN74ABT541BPW?
The typical output ground bounce (VOLP) is less than 1 V at VCC = 5 V, TA = 25°C.
- How does the 3-state control gate work in the SN74ABT541BPW?
The 3-state control gate is a two-input AND gate with active-low inputs (OE1 and OE2). If either OE input is high, all eight outputs are in the high-impedance state.
- What are the operating temperature ranges for the SN74ABT541BPW?
The operating temperature range is -40°C to 85°C.
- What are some common applications of the SN74ABT541BPW?
Common applications include driving bus lines, buffering memory address registers, and general-purpose digital logic circuits.
- How do you ensure the high-impedance state above 2.1 V during power up or power down?
To ensure the high-impedance state above 2.1 V, the OE input should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
- What are the output drive capabilities of the SN74ABT541BPW?
The output drive capabilities are -32 mA (IOH) and 64 mA (IOL).
- Does the SN74ABT541BPW have any special design features for PCB layout?
Yes, the device features inputs and outputs on opposite sides of the package to facilitate easier printed circuit board layout.
