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Rochester Electronics IS82C55A-596 Environmental and export classification status description

The IS82C55A-596 is a programmable peripheral interface chip produced by Intersil Corporation. It is a versatile integrated circuit that provides three 8-bit I/O ports and can be configured to operate in three different modes: Mode 0 (basic input/output), Mode 1 (strobe input), and Mode 2 (bidirectional bus). This chip is commonly used in various electronic devices and systems for interfacing with external peripherals. Functions: 1. Three 8-Bit I/O Ports: Provides three separate 8-bit I/O ports for data communication. 2. Programmable Modes: Can be configured to operate in three different modes to suit various interfacing requirements. 3. Flexible I/O Configuration: Supports both input and output operations on each port. 4. Interrupt Capability: Includes interrupt capability for efficient communication and handling of external events. 5. Data Bus Buffering: Offers bidirectional data bus buffering to facilitate data transfer between the chip and external devices. Applications: 1. Embedded Systems: Used in embedded systems for interfacing with external devices and components. 2. Industrial Automation: Employed in industrial automation systems for control and monitoring applications. 3. Communications Equipment: Integrated into communications equipment for data transfer and signaling purposes. 4. Test and Measurement Instruments: Utilized in test and measurement instruments for interfacing with multiple sensors and devices. Alternative Components: - Intel 8255A: An alternative peripheral interface chip providing similar features and functionality. - NEC uPD8255A: Another viable option with comparable I/O capabilities and programmable modes. Embedded Modules: - The IS82C55A-596 can be integrated into custom embedded modules for specific applications requiring versatile I/O capabilities and programmable interfacing. --- Related Q&A: 1. Can the IS82C55A-596 be operated in all three modes simultaneously? - No, the chip can only operate in one mode at a time and needs to be properly configured based on the desired functionality. 2. What is the maximum frequency at which the IS82C55A-596 can operate? - The typical maximum operating frequency of the chip is around 5 MHz, but this can vary depending on the specific implementation and environmental factors. 3. Are there any recommended development kits available for prototyping with the IS82C55A-596? - While specific development kits may not be available, the chip can be easily integrated into custom development boards or projects using standard interfacing techniques. 4. Can the IS82C55A-596 be used in automotive applications requiring reliable communication interfaces? - Yes, the chip is suitable for automotive applications where robust I/O capabilities and flexible interfacing are necessary. 5. How does the IS82C55A-596 compare to modern I/O interface chips in terms of power efficiency? - While newer chips may offer improved power efficiency, the IS82C55A-596 remains a reliable choice for applications where its features and compatibility are essential.