Overview
The 74HC574DTR2G is a high-performance, octal 3-state noninverting D flip-flop integrated circuit produced by onsemi. This device is part of the 74HC series, known for its high-speed silicon-gate CMOS technology. It is designed to be pin-compatible with low power Schottky TTL (LSTTL) devices, making it versatile for various digital circuit applications. The 74HC574DTR2G features eight D-type flip-flops with 3-state outputs, allowing for efficient data storage and transfer in digital systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | TSSOP-20 | |
| Operating Voltage Range | 2.0 to 6.0 | V |
| Maximum Clock Frequency | Up to 35 MHz | |
| Propagation Delay, Clock to Q | 27 to 160 ns | |
| Propagation Delay, Output Enable to Q | 26 to 150 ns | |
| Input Voltage Range | -0.5 to 7.0 | V |
| Output Drive Capability | Up to 15 LSTTL Loads | |
| Internal Gate Count | 66.5 (equivalent to a two-input NAND gate) | |
| Internal Gate Power Dissipation | 5.0 μW | |
| Speed Power Product | 0.0075 pJ |
Key Features
- High-speed silicon-gate CMOS technology
- Octal 3-state noninverting D flip-flops
- Inputs compatible with standard CMOS outputs and LSTTL outputs with pull-up resistors
- Output Enable input allows outputs to be forced into a high-impedance state
- Direct interface capability with CMOS, NMOS, and TTL devices
- Pb-free TSSOP-20 package
Applications
The 74HC574DTR2G is suitable for a wide range of digital circuit applications, including:
- Data storage and transfer in digital systems
- Sequential logic circuits
- Microprocessor and microcontroller systems
- Communication and networking equipment
- Automotive and industrial control systems
Q & A
- What is the package type of the 74HC574DTR2G?
The package type is TSSOP-20. - What is the operating voltage range of the 74HC574DTR2G?
The operating voltage range is from 2.0 to 6.0 volts. - What is the maximum clock frequency of the 74HC574DTR2G?
The maximum clock frequency is up to 35 MHz. - How many D-type flip-flops does the 74HC574DTR2G contain?
The device contains eight D-type flip-flops. - Is the 74HC574DTR2G compatible with LSTTL devices?
Yes, it is pin-compatible with low power Schottky TTL (LSTTL) devices. - What is the propagation delay from Clock to Q?
The propagation delay from Clock to Q ranges from 27 to 160 ns. - Can the outputs of the 74HC574DTR2G be forced into a high-impedance state?
Yes, the Output Enable input allows the outputs to be forced into a high-impedance state. - Is the 74HC574DTR2G Pb-free?
Yes, the TSSOP-20 package is Pb-free. - What is the internal gate count of the 74HC574DTR2G?
The internal gate count is 66.5, equivalent to a two-input NAND gate. - What are some common applications of the 74HC574DTR2G?
Common applications include data storage and transfer in digital systems, sequential logic circuits, microprocessor and microcontroller systems, communication and networking equipment, and automotive and industrial control systems.
