Overview
The MC74AC573DWR2G, produced by onsemi, is a high-speed octal latch with 3-state output buffers. This component is part of the MC74AC573/74ACT573 series, which features buffered common Latch Enable (LE) and Output Enable (OE) inputs. It is designed to provide easy interface with microprocessors and is useful as either an input or output port.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| VCC (DC Supply Voltage) | 2.0 to 6.0 | V | |
| VIN (DC Input Voltage) | −0.5 to VCC + 0.5 | V | |
| VOUT (DC Output Voltage) | −0.5 to VCC + 0.5 | V | |
| fmax (Maximum Clock Frequency) | Up to 100 MHz | MHz | VCC = 5.0 V, CL = 50 pF |
| tPLH (Propagation Delay, Clock to Q) | 2.5 to 12 ns | ns | VCC = 5.0 V, CL = 50 pF |
| tPZH (Output Enable Time) | 2.0 to 10 ns | ns | VCC = 5.0 V, CL = 50 pF |
| tsu (Minimum Setup Time, Data to Clock) | 2.5 to 15 ns | ns | VCC = 5.0 V |
| th (Minimum Hold Time, Clock to Data) | 1.0 ns | ns | VCC = 5.0 V |
| ICC (Maximum Quiescent Supply Current) | 8.0 to 80 μA | μA | VIN = VCC or GND |
Key Features
- High-speed octal latch with 3-state output buffers
- Buffered common Latch Enable (LE) and Output Enable (OE) inputs
- Inputs and outputs on opposite sides of the package for easy interface with microprocessors
- Functionally identical to MC74AC373/74ACT373 but with inputs and outputs on opposite sides
- 3-state outputs for bus interfacing
- Outputs source/sink 24 mA
- Pb-free and RoHS compliant
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
Applications
- Microprocessor input or output ports
- Bus interfacing due to 3-state outputs
- Automotive and industrial control systems
- General-purpose digital logic applications
- Data storage and transfer in digital systems
Q & A
- What is the operating voltage range of the MC74AC573DWR2G?
The operating voltage range is 2.0 to 6.0 V.
- What is the maximum clock frequency of the MC74AC573DWR2G?
The maximum clock frequency is up to 100 MHz at VCC = 5.0 V and CL = 50 pF.
- What is the propagation delay from clock to Q?
The propagation delay from clock to Q is between 2.5 to 12 ns at VCC = 5.0 V and CL = 50 pF.
- What is the minimum setup time for data to clock?
The minimum setup time is between 2.5 to 15 ns at VCC = 5.0 V.
- What is the minimum hold time for clock to data?
The minimum hold time is 1.0 ns at VCC = 5.0 V.
- Is the MC74AC573DWR2G Pb-free and RoHS compliant?
Yes, the MC74AC573DWR2G is Pb-free and RoHS compliant.
- What is the output drive capability of the MC74AC573DWR2G?
The outputs can source/sink 24 mA.
- Is the MC74AC573DWR2G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
- How many flip-flops does the MC74AC573DWR2G contain?
The MC74AC573DWR2G contains eight D-type latches.
- What is the thermal resistance of the SOIC-20 package?
The thermal resistance (JA) for the SOIC-20 package is specified in the data sheet, but exact values depend on specific conditions.
