The AT27C512R-20DI is a high-performance 512K (64K x 8) UV EPROM, featuring a fast access time of 200ns. This product is ideal for applications such as microprocessor systems, instrumentation, and consumer electronics, where a reliable and non-volatile memory solution is needed. It operates over a wide voltage range from 4.5V to 5.5V and has a low power consumption, making it suitable for battery-powered devices. The AT27C512R-20DI is designed with a high-quality CMOS fabrication process, ensuring high reliability and endurance. It offers a cost-effective solution for those looking for a durable and long-lasting memory storage option. The device is housed in a 28-pin dual in-line package (DIP), making it easy to integrate into existing designs. Overall, the AT27C512R-20DI stands out for its robust performance, low power consumption, and wide operating voltage range, making it an excellent choice for various memory storage applications.