Introduction
The PSD4XX family is a microcontroller peripheral that integrates high-performance and user-configurable blocks of EPROM, programmable logic, and SRAM into one part. The PSD4XX products also provide a powerful microcontroller interface that eliminates the need for external âglue logicâ. The no âglue logicâ concept provides a user-programmable interface to a variety of 8- and 16-bit (multiplexed or non-multiplexed) microcontrollers that is easy to use. The partâs integration, small form factor, low power consumption, and ease of use make it the ideal part for interfacing to virtually any microcontroller.
FEATURES SUMMARY
â Single Supply Voltage:
â 5 V±10% for PSD4XX
â 2.7 to 5.5 V for PSD4XX-V
â Up to 1 Mbit of UV EPROM
â Up to 16 Kbit SRAM
â Input Latches
â Programmable I/O ports
â Page Logic
â Programmable Security
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