Overview
The 74HC74N-Q100U is a dual D-type flip-flop integrated circuit produced by NXP USA Inc. This component is part of the 74HC series, known for its high-speed Si-gate CMOS technology and compatibility with low power Schottky TTL (LSTTL) devices. It is designed for a wide range of applications requiring positive-edge triggered flip-flops with set and reset capabilities.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package Type | 14-DIP (0.300", 7.62mm) | 14-DIP |
| Operating Voltage Range | 2 V to 6 V | 2 V to 6 V |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C |
| Clock Frequency | Up to 36 MHz at 6 V | Up to 36 MHz at 6 V |
| Propagation Delay | Typically 17 ns at 6 V | Typically 17 ns at 6 V |
| Input Leakage Current | ±0.1 µA at 6 V | ±0.1 µA at 6 V |
| Supply Current | Up to 40 µA at 6 V | Up to 40 µA at 6 V |
| Input Capacitance | Typically 10 pF | Typically 10 pF |
Key Features
- Positive-Edge Triggered: The flip-flops are triggered on the positive edge of the clock signal.
- Set and Reset Capabilities: Each flip-flop has asynchronous set and reset pins.
- Wide Operating Voltage Range: Operates from 2 V to 6 V, making it versatile for various applications.
- High-Speed Operation: Supports clock frequencies up to 36 MHz at 6 V.
- Low Power Consumption: Significant power reduction compared to LSTTL logic ICs.
- High Reliability: Qualified for high-reliability automotive applications (Q100 devices).
Applications
- Automotive Systems: Qualified for high-reliability automotive applications.
- Switch Debouncing: Can be used to debounce momentary switches.
- Clock Signal Division: Can divide a clock signal by 2 or 4.
- General Logic Circuits: Suitable for various digital logic circuits requiring flip-flops.
Q & A
- What is the package type of the 74HC74N-Q100U?
The 74HC74N-Q100U comes in a 14-DIP (0.300", 7.62mm) package.
- What is the operating voltage range of the 74HC74N-Q100U?
The operating voltage range is from 2 V to 6 V.
- What is the maximum clock frequency supported by the 74HC74N-Q100U?
The maximum clock frequency is up to 36 MHz at 6 V.
- Does the 74HC74N-Q100U have set and reset capabilities?
Yes, each flip-flop has asynchronous set and reset pins.
- Is the 74HC74N-Q100U suitable for automotive applications?
Yes, it is qualified for high-reliability automotive applications (Q100 devices).
- What is the typical propagation delay of the 74HC74N-Q100U?
The typical propagation delay is 17 ns at 6 V.
- How much power does the 74HC74N-Q100U consume?
The supply current is up to 40 µA at 6 V.
- Can the 74HC74N-Q100U be used for switch debouncing?
Yes, it can be used to debounce momentary switches.
- What is the input capacitance of the 74HC74N-Q100U?
The input capacitance is typically 10 pF.
- Is the 74HC74N-Q100U compatible with LSTTL devices?
Yes, it is pin compatible with low power Schottky TTL (LSTTL) devices.
