Microchip Technology SST39WF400A-90-4I-B3KE

The SST39WF400A-90-4I-B3KE is a high-performance, dual-bank Flash memory chip designed and manufactured by the renowned semiconductor company, Microchip Technology. This non-volatile memory device offers a storage capacity of 4 Mbit (512K x 8) and is part of the 39 Series Flash family, known for its reliability and efficiency in storing and retrieving data.

One of the key features of this product is its fast read access time of 90 ns, which makes it an ideal choice for applications requiring quick data access and high-speed boot operations. The dual-bank structure allows for simultaneous read and write operations, providing enhanced performance and flexibility for a wide range of applications.

The SST39WF400A-90-4I-B3KE operates within an industrial temperature range of -40°C to +85°C, making it suitable for use in environments that are subject to extreme temperatures. This robustness ensures reliable performance in industrial control systems, automotive electronics, and other demanding applications.

This memory chip utilizes CMOS SuperFlash technology, which provides low power consumption and excellent endurance for repeated write cycles. The device supports a 4.5V to 5.5V voltage range, ensuring compatibility with a variety of microcontrollers and digital circuits. Additionally, the SST39WF400A-90-4I-B3KE offers a sector-erase and block-erase feature, allowing for efficient data management and memory organization.

The package type for this product is a 48-lead TSOP (Thin Small Outline Package), which is a space-saving and lightweight option for PCB (Printed Circuit Board) designs. The part number suffix 'B3KE' indicates the package and temperature specifications for this particular model.

Overall, the SST39WF400A-90-4I-B3KE from Microchip Technology is a reliable and versatile Flash memory solution that offers fast access times, low power consumption, and a wide operating temperature range, making it a top choice for designers and engineers in various high-demand applications.