Overview
The MC74ACT573DWR2G, produced by onsemi, is a high-speed octal buffer/line driver with 3-state outputs. This component is part of the 74ACT series and is designed for high-performance applications. It features eight D-type latches with buffered common Latch Enable (LE) and Output Enable (OE) inputs. The device is functionally identical to the MC74AC373/74ACT373 but has inputs and outputs on opposite sides of the package, facilitating easy interface with microprocessors.
Key Specifications
| Parameter | Symbol | Unit | Conditions | Typical | Guaranteed Limits |
|---|---|---|---|---|---|
| Supply Voltage | VCC | V | - | 4.5 to 5.5 | - |
| Minimum High Level Input Voltage | VIH | V | VOUT = 0.1 V or VCC - 0.1 V | 3.15 | 2.75 to 3.85 |
| Maximum Low Level Input Voltage | VIL | V | VOUT = 0.1 V or VCC - 0.1 V | 1.65 | 0.9 to 1.65 |
| Minimum High Level Output Voltage | VOH | V | IOUT = -50 μA | 2.9 | 2.9 |
| Maximum Quiescent Supply Current | ICC | μA | VIN = VCC or GND | - | 80 |
| Propagation Delay Dn to On | tPLH, tPHL | ns | CL = 50 pF, TA = +25°C | 2.5 | 2.0 to 12 |
| Output Enable Time | tPZH, tPZL | ns | CL = 50 pF, TA = +25°C | 2.0, 1.5 | 1.5 to 11, 1.5 to 10.5 |
| Operating Temperature | TA | °C | - | -40 to +85 | - |
| Input Capacitance | CIN | pF | VCC = 5.0 V | 5.0 | - |
| Power Dissipation Capacitance | CPD | pF | VCC = 5.0 V | 25 | - |
| Package Type | - | - | - | SOIC-20 | - |
| No. of Pins | - | - | - | 20 | - |
Key Features
- Inputs and Outputs on Opposite Sides of Package: Facilitates easy interface with microprocessors.
- Useful as Input or Output Port for Microprocessors.
- Functionally Identical to MC74AC373/74ACT373.
- 3-State Outputs for Bus Interfacing.
- Outputs Source/Sink 24 mA.
- TTL Compatible Inputs for the ′ACT573 version.
- Pb-Free Devices.
Applications
The MC74ACT573DWR2G is suitable for various high-speed digital applications, including:
- Microprocessor Input/Output Ports.
- Bus Interfacing.
- High-Speed Data Transmission Systems.
- Automotive and Industrial Control Systems (with the -Q suffix for automotive and other applications requiring unique site and control change requirements).
Q & A
- What is the primary function of the MC74ACT573DWR2G?
The MC74ACT573DWR2G is an octal buffer/line driver with 3-state outputs, featuring eight D-type latches.
- What are the key differences between the MC74ACT573 and the MC74AC373?
The MC74ACT573 has inputs and outputs on opposite sides of the package, unlike the MC74AC373.
- What is the supply voltage range for the MC74ACT573DWR2G?
The supply voltage range is 4.5 to 5.5 volts.
- What is the propagation delay for the MC74ACT573DWR2G?
The propagation delay (tPLH, tPHL) is typically 2.5 ns, with a maximum of 12 ns at 25°C.
- What is the maximum quiescent supply current?
The maximum quiescent supply current (ICC) is 80 μA.
- What are the operating temperature ranges for this component?
The operating temperature range is -40°C to +85°C.
- Is the MC74ACT573DWR2G Pb-free?
Yes, the MC74ACT573DWR2G is a Pb-free device.
- What package types are available for the MC74ACT573DWR2G?
The component is available in SOIC-20 and TSSOP-20 packages.
- How many pins does the MC74ACT573DWR2G have?
The component has 20 pins.
- What are the typical applications for the MC74ACT573DWR2G?
Typical applications include microprocessor input/output ports, bus interfacing, and high-speed data transmission systems.
