The PALC22V10L35PC is a Programmable Array Logic (PAL) device manufactured by Cypress Semiconductor Corp. It's designed for implementing custom logic functions in various digital systems. The 'C' signifies CMOS technology for low power. The '22V10' indicates its architecture with 22 inputs and 10 configurable outputs. The 'L' denotes low power operation and '35' refers to the propagation delay. 'PC' is likely the package type.
Applications
- Low-power embedded systems: Suitable for battery-operated or energy-efficient applications.
- Portable devices: Used in handheld devices and mobile systems to minimize power consumption.
- Address decoding in memory systems: Employed to select memory locations while conserving power.
- Peripheral interfacing: Implemented in control circuits for peripherals where low power is important.
- State machine controllers: Utilized in designing sequential logic circuits for energy-conscious applications.
Features
- Programmable AND array: Allows customization of logic functions to suit specific application requirements.
- Configurable outputs: Each output can be independently configured as active high or active low.
- Low-power CMOS technology: Reduces power consumption, making it suitable for energy-efficient designs.
- Input/output cells with feedback: Provides flexibility in implementing complex logic functions with feedback paths.
- TTL compatible inputs/outputs: Enables easy interfacing with standard TTL logic devices.
Benefits
- Extended battery life: Low power consumption contributes to longer battery life in portable applications.
- Flexibility: Facilitates the implementation of complex and customized logic functions.
- Reduced component count: Consolidates multiple logic gates into a single chip, simplifying system design.
- Customizable logic: Allows designers to tailor the device to specific application needs.
- Simplified design process: Reduces design complexity compared to discrete logic implementations.
Additional Details
The PALC22V10L35PC is typically available in a plastic package. Key specifications include propagation delay, power dissipation, input/output voltage levels, and operating temperature range. The internal architecture includes a programmable AND array connected to a fixed OR array with configurable output macrocells. Each macrocell can be configured as registered or combinatorial, and active high or active low. Programming requires a specialized PAL programmer, and the device is generally electrically erasable for reprogramming and design iteration.