The PALCE16V8-7PC is a high-performance, low-power Erasable Programmable Logic Device (EPLD) manufactured by Cypress Semiconductor. It's part of the PALCE16V8 family, which is known for its versatility and speed, making it suitable for a variety of logic applications. The '7' in the part number indicates a propagation delay of 7.5 ns, representing a fast version within the family.
Applications:
- Address Decoding: Used for decoding memory addresses or selecting peripherals in microprocessor-based systems.
- Glue Logic: Implemented as glue logic to interface between different components in digital systems.
- State Machines: Utilized in designing and implementing state machines for control and sequencing operations.
- Peripheral Control: Employed in controlling peripheral devices such as displays, keyboards, and communication interfaces.
- Timing Control: Used for generating timing signals and controlling the timing of various events in digital circuits.
Features:
- Electrically Erasable: Allows for easy reprogramming and reuse, reducing development time and costs.
- Low Power Consumption: Operates with low power consumption, making it suitable for battery-powered applications.
- High Speed: Offers fast propagation delays for high-performance applications.
- Programmable Output Polarity: Allows for configuring the output polarity to be either active-high or active-low.
- Input/Output Cell Flexibility: Enables configuring each I/O pin as either an input, an output, or a bidirectional I/O.
Benefits:
- Design Flexibility: Allows for implementing a wide range of logic functions with a single device.
- Reprogrammability: Can be easily reprogrammed to accommodate design changes or updates.
- Time-to-Market: Reduces development time and costs through the use of programmable logic.
- System Integration: Integrates multiple functions into a single device, reducing board space and improving system reliability.
- Cost-Effectiveness: Offers a cost-effective solution for a wide range of logic applications.
Additional Details:
The PALCE16V8-7PC operates with a supply voltage of 5V. It typically comes in a 20-pin DIP (Dual In-line Package) or PLCC (Plastic Leaded Chip Carrier). The device can be programmed using standard PAL programmers. Each output can be configured as registered or combinatorial, allowing for implementing both synchronous and asynchronous logic functions. The device also includes input registers for improving setup and hold times. Its operating temperature range is typically from 0°C to 75°C. It offers a good alternative to discrete logic gates reducing overall board size and component count.