Overview
The MC74ACT541DTR2G is an octal buffer/line driver with 3-state outputs, manufactured by onsemi. This device is part of the 74ACT series, known for its high-speed and low-power consumption. It is designed to be used as memory and address drivers, clock drivers, and bus-oriented transmitter/receivers. The MC74ACT541 provides noninverted outputs, making it a versatile component for various digital circuit applications.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| VCC (DC Supply Voltage) | −0.5 to +6.5 | V | Referenced to GND |
| VIN (DC Input Voltage) | −0.5 to VCC + 0.5 | V | Referenced to GND |
| VOUT (DC Output Voltage) | −0.5 to VCC + 0.5 | V | Referenced to GND |
| IOH (Output Current - High) | −24 mA | mA | VCC = 4.5 V, 5.5 V |
| IOL (Output Current - Low) | 24 mA | mA | VCC = 4.5 V, 5.5 V |
| VIH (Minimum High Level Input Voltage) | 2.0 V | V | VCC = 4.5 V, 5.5 V |
| VIL (Maximum Low Level Input Voltage) | 0.8 V | V | VCC = 4.5 V, 5.5 V |
| TA (Operating Ambient Temperature Range) | −40 to 85 | °C | |
| tPLH (Propagation Delay Data to Output) | 1.0 to 8.0 ns | ns | VCC = 5.0 V, CL = 50 pF |
| tPHL (Propagation Delay Data to Output) | 1.0 to 8.0 ns | ns | VCC = 5.0 V, CL = 50 pF |
| tPZH (Output Enable Time) | 1.0 to 11.5 ns | ns | VCC = 5.0 V, CL = 50 pF |
Key Features
- 3-State Outputs: Allows the outputs to be in a high-impedance state, which is useful for bus applications.
- Inputs and Outputs Opposite Side of Package: Facilitates easier interface to microprocessors and enhances PCB layout efficiency.
- Noninverted Outputs: The MC74ACT541 provides noninverted outputs, making it suitable for applications where signal inversion is not required.
- TTL Compatible Inputs: The ′ACT series has TTL compatible inputs, ensuring compatibility with a wide range of logic circuits.
- Pb-Free Devices: Compliant with lead-free regulations, making it environmentally friendly.
- High Output Drive Capability: Outputs can source/sink up to 24 mA, making it suitable for driving multiple loads.
Applications
- Memory and Address Drivers: Ideal for driving memory and address lines in digital systems.
- Clock Drivers: Can be used to distribute clock signals across the system.
- Bus-Oriented Transmitter/Receivers: Suitable for use in bus-oriented systems where data needs to be transmitted and received efficiently.
- Microprocessor Output Ports: The flow-through architecture makes it particularly useful as output ports for microprocessors.
- Digital Circuitry: General-purpose use in digital circuits requiring high-speed and low-power buffer/line drivers.
Q & A
- What is the primary function of the MC74ACT541?
The MC74ACT541 is an octal buffer/line driver with 3-state outputs, designed for use in memory and address drivers, clock drivers, and bus-oriented transmitter/receivers.
- What is the significance of the 3-state outputs in the MC74ACT541?
The 3-state outputs allow the device to be in a high-impedance state, which is useful for bus applications where multiple devices need to share the same bus.
- What is the difference between the MC74ACT540 and MC74ACT541?
The MC74ACT540 provides inverted outputs, while the MC74ACT541 provides noninverted outputs.
- What is the maximum output current of the MC74ACT541?
The outputs can source/sink up to 24 mA.
- What is the operating temperature range of the MC74ACT541?
The device operates within an ambient temperature range of −40°C to 85°C.
- Is the MC74ACT541 Pb-free?
Yes, the MC74ACT541 is a Pb-free device, complying with lead-free regulations.
- What is the propagation delay of the MC74ACT541?
The propagation delay from data to output is typically between 1.0 to 8.0 ns at VCC = 5.0 V and CL = 50 pF.
- What are the common applications of the MC74ACT541?
Common applications include memory and address drivers, clock drivers, bus-oriented transmitter/receivers, and as output ports for microprocessors.
- What package options are available for the MC74ACT541?
The device is available in SOIC-20 and TSSOP-20 packages.
- Is the MC74ACT541 compatible with TTL logic?
Yes, the MC74ACT541 has TTL compatible inputs.
