Overview
The SN74ABT541BDWRG4 is an octal buffer and line driver produced by Texas Instruments. It is part of the SN74ABT541B series, which features state-of-the-art EPIC-IIB™ BiCMOS design. This design significantly reduces power dissipation and enhances performance. The device is ideal for driving bus lines or buffering memory address registers due to its high-drive outputs and 3-state control.
The SN74ABT541BDWRG4 operates over a temperature range of –40°C to 85°C, making it suitable for various industrial, automotive, portable, and telecom applications. The package is a 20-pin SSOP (Shrink Small-Outline Package), which facilitates efficient printed circuit board layout.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 8 |
| Operating Temperature Range | –40°C to 85°C |
| Supply Voltage (VCC) | 4.5 V to 5.5 V |
| Output Drive (IOL/IOH) | –32 mA / 64 mA |
| Maximum Frequency at Nominal Voltage | 150 MHz |
| Propagation Delay (tpd) at Nominal Voltage | 3.9 ns |
| Input Type | TTL |
| Output Type | TTL |
| Package Type | 20-pin SSOP |
| RoHS Compliance | Yes |
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.
- High-Impedance State During Power Up and Power Down.
- High-Drive Outputs (–32-mA IOH, 64-mA IOL).
- 3-State Control with active-low inputs.
- Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C.
Applications
The SN74ABT541BDWRG4 is versatile and can be used in various applications, including:
- Driving bus lines in digital systems.
- Buffering memory address registers.
- Industrial, automotive, portable, and telecom applications due to its wide operating temperature range and robust design.
- AV receivers and other audio-visual equipment.
Q & A
- What is the operating temperature range of the SN74ABT541BDWRG4?
The operating temperature range is –40°C to 85°C.
- What is the maximum supply voltage for this device?
The maximum supply voltage (VCC) is 5.5 V.
- What is the output drive capability of the SN74ABT541BDWRG4?
The output drive capability is –32 mA (IOH) and 64 mA (IOL).
- What type of inputs and outputs does this device have?
The inputs and outputs are TTL (Transistor-Transistor Logic) type.
- Is the SN74ABT541BDWRG4 RoHS compliant?
Yes, the SN74ABT541BDWRG4 is RoHS compliant.
- What is the typical propagation delay at nominal voltage?
The typical propagation delay (tpd) at nominal voltage is 3.9 ns.
- What is the maximum frequency at nominal voltage for this device?
The maximum frequency at nominal voltage is 150 MHz.
- What package type is the SN74ABT541BDWRG4 available in?
The device is available in a 20-pin SSOP (Shrink Small-Outline Package).
- How does the 3-state control work on this device?
The 3-state control 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 are some common applications for the SN74ABT541BDWRG4?
Common applications include driving bus lines, buffering memory address registers, and use in industrial, automotive, portable, and telecom applications.
- Does the device have high-impedance state during power up and power down?
Yes, the device has a high-impedance state during power up and power down.
