Overview
The MC74HC574ADWR2G is a high-performance silicon-gate CMOS octal 3-state noninverting D flip-flop produced by onsemi. This device is part of the MC74HC574A series and is packaged in a SOIC-20 wide format. It is designed to be compatible with standard CMOS outputs and, with the use of pull-up resistors, can also interface with LSTTL outputs. The MC74HC574A is identical in pinout to the LS574 and is suitable for a wide range of digital logic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 2.0 to 6.0 | V |
| DC Input Voltage (VIN) | −0.5 to VCC + 0.5 | V |
| DC Output Voltage (VOUT) | −0.5 to VCC + 0.5 | V |
| Maximum Clock Frequency (50% Duty Cycle) | Up to 35 MHz | MHz |
| Maximum Propagation Delay, Clock to Q | 27 to 160 ns | ns |
| Maximum Propagation Delay, Output Enable to Q | 26 to 150 ns | ns |
| Minimum Setup Time, Data to Clock | 10 to 75 ns | ns |
| Minimum Hold Time, Clock to Data | 5 ns | ns |
| Operating Free-Air Temperature | −55 to +125 °C | °C |
| Storage Temperature Range | −65 to +150 °C | °C |
| Lead Temperature, 1 mm from Case for 10 secs | 260 °C | °C |
| Junction Temperature Under Bias | +150 °C | °C |
Key Features
- Output Drive Capability: 15 LSTTL Loads
- Outputs Directly Interface to CMOS, NMOS, and TTL
- Low Input Current: 1.0 μA
- In Compliance with the Requirements Defined by JEDEC Standard No. 7A
- Chip Complexity: 286 FETs or 71.5 Equivalent Gates
- AEC-Q100 Qualified and PPAP Capable for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
- Pb-Free and RoHS Compliant
Applications
The MC74HC574ADWR2G is suitable for various digital logic applications, including:
- Memory and Data Storage Systems
- Digital Signal Processing
- Automotive Electronics
- Industrial Control Systems
- Communication Equipment
Q & A
- What is the operating voltage range of the MC74HC574ADWR2G?
The operating voltage range is from 2.0 to 6.0 V.
- What is the maximum clock frequency of the MC74HC574ADWR2G?
The maximum clock frequency is up to 35 MHz.
- What is the propagation delay from clock to Q?
The propagation delay from clock to Q ranges from 27 to 160 ns.
- What is the minimum setup time for data to clock?
The minimum setup time is between 10 to 75 ns.
- Is the MC74HC574ADWR2G RoHS compliant?
- What are the package options for the MC74HC574ADWR2G?
The device is available in SOIC-20 wide and TSSOP-20 packages.
- What is the storage temperature range for the MC74HC574ADWR2G?
The storage temperature range is from −65 to +150 °C.
- Can the MC74HC574ADWR2G be used in automotive applications?
- What is the output drive capability of the MC74HC574ADWR2G?
The output drive capability is 15 LSTTL loads.
- How does the output enable input affect the device outputs?
The output enable input does not affect the states of the flip-flops but forces all device outputs to the high-impedance state when high.
