Description
The 74LS74 is a classic, high-speed dual D-type flip-flop containing two independent flip-flops in a single package. Each flip-flop features individual data (D) inputs, clock (CLK) inputs, and asynchronous PRESET (PRE) and CLEAR (CLR) inputs.
This device is “positive edge-triggered,” meaning the data present at the D input is transferred to the Q output only on the rising edge of the clock signal. The asynchronous PRESET and CLEAR pins allow you to force the flip-flop into a specific state (HIGH or LOW) regardless of the clock or data inputs, making this IC highly versatile for system initialization, state machines, and sequential logic design.
Note: Product images are shown for reference only.
Features
- Dual (2) independent D-type flip-flops
- Positive edge-triggered clocking
- Asynchronous PRESET and CLEAR inputs
- Low-power Schottky (LS) TTL technology
- Standard 14-pin DIP through-hole package
Benefits
- Data Synchronization: Ideal for sampling and holding data at specific timing intervals.
- Flexible State Control: Asynchronous inputs allow for easy system reset or preset functionality.
- Reliable Logic: Edge-triggering reduces sensitivity to input noise compared to level-triggered latches.
Applications
- Data Storage and Register Design
- Frequency Division
- Switch Debouncing Circuits
- Control State Machines
- Digital Signal Synchronization
Package Includes
- 1 x 74LS74 Dual D-type Flip-Flop IC (DIP-14 Package)
Specifications
| Parameter | Specification |
|---|---|
| Product Name | 74LS74 |
| Device Type | Dual D-type Flip-Flop |
| Logic Family | 74LS (Low-Power Schottky TTL) |
| Package / Case | DIP-14 |
| Mounting Type | Through-Hole |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 x 4 x 1 cm |
