Overview
The 74HC74PW, produced by Nexperia USA Inc., is a dual D-type positive-edge-triggered flip-flop integrated circuit. This component is part of the 74HC series, known for its high-speed CMOS logic and wide operating voltage range. The 74HC74PW features two independent flip-flops, each with asynchronous preset and clear pins, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | 14-TSSOP | |
| Number of Bits per Element | 1 | |
| Number of Elements | 2 | |
| Trigger Type | Positive Edge | |
| Supply Voltage | 2 V to 6 V | |
| Operating Temperature | -40°C to 125°C | |
| Clock Frequency | Up to 82 MHz | |
| Propagation Delay (Max.) | 37 ns @ 6 V, 50 pF | |
| Output Current (High, Low) | 5.2 mA, 5.2 mA | |
| Quiescent Current (Iq) | 40 µA |
Key Features
- Buffered inputs
- Wide operating voltage range: 2 V to 6 V
- Wide operating temperature range: -40°C to +125°C
- Supports fanout up to 10 LSTTL loads
- Significant power reduction compared to LSTTL logic ICs
- Individual data (nD), clock (nCP), set (nSD), and reset (nRD) inputs for each flip-flop
- Complementary nQ and nQ outputs
Applications
- Convert a momentary switch to a toggle switch
- Divide a clock signal by 2 or 4
- General-purpose digital logic circuits in automotive, industrial, and consumer electronics
- Timing and control circuits in various electronic systems
Q & A
- What is the package type of the 74HC74PW?
The 74HC74PW comes in a 14-TSSOP package.
- What is the operating voltage range of the 74HC74PW?
The operating voltage range is from 2 V to 6 V.
- What is the maximum clock frequency of the 74HC74PW?
The maximum clock frequency is up to 82 MHz.
- What are the key inputs for each flip-flop in the 74HC74PW?
Each flip-flop has individual data (nD), clock (nCP), set (nSD), and reset (nRD) inputs.
- What is the quiescent current of the 74HC74PW?
The quiescent current (Iq) is 40 µA.
- What are some common applications of the 74HC74PW?
Common applications include converting a momentary switch to a toggle switch, dividing a clock signal, and use in general-purpose digital logic circuits.
- What is the propagation delay of the 74HC74PW at 6 V and 50 pF load?
The propagation delay is up to 37 ns at 6 V and 50 pF load.
- Is the 74HC74PW suitable for automotive applications?
- What is the output current capability of the 74HC74PW?
The output current capability is up to 5.2 mA for both high and low outputs.
- What is the operating temperature range of the 74HC74PW?
The operating temperature range is from -40°C to 125°C.
