The PALCE16V8-15LMB is a Programmable Array Logic (PAL) device manufactured by Cypress Semiconductor Corp. It's a versatile device commonly used to implement custom logic functions in various digital circuits. The 'PALCE' designation indicates a CMOS Electrically Erasable PAL. '16V8' refers to its architecture: 16 inputs and 8 outputs, each configurable. The '-15' specifies the propagation delay, indicating a relatively fast version, and 'LMB' likely refers to the package.
Applications
- Address decoding: Used in memory systems to decode address lines and select memory locations.
- Peripheral control: Implemented in interfacing with peripherals such as UARTs, timers, and other I/O devices.
- State machine implementation: Employed in designing sequential logic circuits and control systems.
- Data processing and manipulation: Used in various data processing tasks.
- Glue logic: Utilized to connect different digital components in a system.
Features
- Programmable AND array: Allows users to configure the device to implement custom logic functions.
- Configurable outputs: Each output can be independently configured as either active high or active low, registered or combinatorial.
- Electrically Erasable CMOS Technology: Allows for easy reprogramming and low power consumption.
- Input/output cells with flexible architecture: Provides flexibility in implementing complex logic functions.
- Fast propagation delay: The '-15' designation indicates a relatively fast version.
Benefits
- Flexibility: Enables the implementation of complex logic functions with a single device.
- High performance: Provides fast operation for demanding applications.
- Reduced component count: Consolidates multiple logic gates into a single chip, simplifying system design.
- Reprogrammability: Allows for easy modification and updates to the logic functions.
- Customizable logic: Allows designers to tailor the device to their specific application requirements.
Additional Details
The PALCE16V8-15LMB is commonly available in a plastic package. Detailed specifications include propagation delay, power dissipation, input/output voltage levels, and operating temperature range. The internal architecture includes a programmable AND array feeding into configurable output macrocells. These macrocells allow configuring each output individually. Programming is done using a standard PAL programmer, and the electrical erasability allows for easy reprogramming and modification of the logic functions. The CMOS technology ensures low power consumption, making it suitable for a wide range of applications.