The GD74LS273 is an 8-bit D-type flip-flop with clear. It features eight independent D-type flip-flops, each with a D (data) input and a Q (output). The flip-flops are edge-triggered, meaning that the output changes state only on the rising edge of the clock (CLK) input. The device also has a clear (CLR) input that asynchronously resets all the outputs to a low logic level, independent of the clock signal. This makes it useful for initializing the state of the flip-flops.
Applications
- Data storage registers
- Shift registers
- Parallel-to-serial converters
- Memory address latches
- Buffer registers
Features
- 8 D-type flip-flops in a single package
- Edge-triggered operation (rising edge of clock)
- Asynchronous clear input
- Low-Power Schottky TTL circuitry
- High-level output drive capability
Benefits
- Reduces component count in digital systems
- Provides a convenient way to store and manipulate data
- Simplifies the design of sequential logic circuits
- Offers good speed performance and low power consumption
- Easy to interface with other TTL devices
Additional Details
The GD74LS273 typically comes in a 20-pin DIP (Dual In-line Package). The pinout includes the eight D inputs, the eight Q outputs, the clock input, the clear input, and the power and ground pins. It is essential to consult the datasheet for specific electrical characteristics, timing diagrams, and pinout information. The operating temperature range is typically 0°C to 70°C.
The 'LS' designation indicates that the device utilizes Schottky diodes to prevent saturation of the transistors, which improves switching speed. The GD74LS273 is a versatile and widely used component in various digital applications, particularly those requiring data storage or parallel data handling. The asynchronous clear input is particularly useful for initializing the flip-flops to a known state at power-up or during system reset.
