Overview
The SN74LS112AN is a dual negative-edge-triggered J-K flip-flop integrated circuit produced by Texas Instruments. This device is part of the LS series and is designed for use in digital logic applications. It features complementary outputs and comes in a DIP-16 package, making it suitable for through-hole PCB assembly. The SN74LS112AN is widely used in applications requiring reliable storage, counting, and sequential control functions.
This component is targeted at engineers and designers working on digital systems, particularly in industrial automation, consumer electronics, and educational projects. Its key selling points include its robust TTL technology, dual flip-flop configuration, and reliable performance in commercial temperature ranges.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Logic Type | J-K Flip-Flop | - | Dual |
| Trigger Type | Negative Edge | - | - |
| Output Polarity | Complementary | - | - |
| Supply Voltage (Vsup) | 4.75 - 5.25 | V | Nominal: 5V |
| Propagation Delay (tpd) | 20 | ns | - |
| Maximum Clock Frequency | 30 | MHz | - |
| Operating Temperature | 0 - 70 | °C | Commercial |
| Package | DIP-16 | - | Through-Hole |
| Pin Count | 16 | - | - |
Key Features
- Dual J-K flip-flop configuration for versatile logic operations.
- Negative-edge triggering ensures reliable state transitions.
- Complementary outputs provide flexibility in circuit design.
- TTL technology ensures compatibility with standard logic levels.
- Robust performance in commercial temperature ranges (0°C to 70°C).
Applications
The SN74LS112AN is commonly used in digital systems for tasks such as:
- Industrial Automation: Sequential control and state machine implementations.
- Consumer Electronics: Counters and timers in household devices.
- Educational Projects: Teaching digital logic and flip-flop fundamentals.
- Communication Systems: Signal synchronization and data storage.
Q & A
1. What is the function of the SN74LS112AN?
The SN74LS112AN is a dual J-K flip-flop used for storage, counting, and sequential control in digital circuits.
2. What is the trigger type of this component?
It features negative-edge triggering, meaning state changes occur on the falling edge of the clock signal.
3. What is the operating voltage range?
The operating voltage range is 4.75V to 5.25V, with a nominal value of 5V.
4. What is the maximum clock frequency?
The maximum clock frequency is 30 MHz.
5. What is the propagation delay?
The propagation delay is 20 ns.
6. What package does the SN74LS112AN come in?
It is available in a DIP-16 through-hole package.
7. What is the operating temperature range?
It operates in the commercial temperature range of 0°C to 70°C.
8. Are the outputs complementary?
Yes, the outputs are complementary, providing both Q and Q' signals.
9. Is this component surface-mountable?
No, it is designed for through-hole assembly.
10. What are typical applications of the SN74LS112AN?
Typical applications include industrial automation, consumer electronics, educational projects, and communication systems.
