Microchip Technology SST28F040A-90-4C-EH Flash Memory

The SST28F040A-90-4C-EH is a high-performance CMOS SuperFlash memory component from Microchip Technology, designed to offer reliable and efficient storage solutions for a wide array of electronic applications. This non-volatile flash memory chip boasts a 4 Megabit (Mb) memory size, which is organized as 512K x 8, making it ideal for storing firmware, boot code, and other critical data in embedded systems.

With an access time of 90 nanoseconds, this flash memory provides quick read capabilities, ensuring swift data retrieval that is essential for high-speed applications. The device operates within the industrial temperature range of -40°C to +85°C, making it suitable for use in environments that experience extreme temperatures.

One of the notable features of the SST28F040A-90-4C-EH is its compatibility with JEDEC-standard byte-wide 32-pin EPROM pinouts, which simplifies integration into existing board layouts without the need for significant redesigns. This also allows for a straightforward migration path for systems looking to upgrade their memory components.

The SST28F040A-90-4C-EH supports Sector-Erase and Chip-Erase functions, providing flexibility for data management and enabling efficient utilization of memory space. The sector-erase capability allows for selective erasure of data without impacting the entire memory array, which is particularly useful for applications that require frequent updates to stored information.

Additional features such as low power consumption and end-of-write detection via Data# Polling or Toggle Bit methods contribute to the robustness and ease of use of this memory chip. The package type for this product is PLCC (Plastic Leaded Chip Carrier), which offers a compact footprint and reliable connections for surface mount technology (SMT) assembly processes.

Overall, the SST28F040A-90-4C-EH flash memory from Microchip Technology represents a dependable and efficient solution for designers looking to incorporate a stable and high-speed memory component into their electronic systems. Its compatibility with existing standards, coupled with advanced features, ensures that it can meet the rigorous demands of modern applications.