The AT27C4096-90PU is a high-performance 4-Megabit OTP (One-Time Programmable) EPROM (Erasable Programmable Read-Only Memory) chip developed by Microchip Technology. It is designed to offer a reliable and durable storage solution for applications that require a stable and non-volatile memory source. This EPROM is particularly ideal for use in embedded systems, microcontroller applications, and various electronic devices where long-term data retention is crucial.

The device operates at a speed of 90 nanoseconds, providing quick access to stored data, which is essential for applications requiring fast read operations. The AT27C4096-90PU comes in a 40-pin DIP (Dual In-line Package), making it compatible with standard breadboards and sockets, thus facilitating easy integration into prototype designs as well as production units.

Key Features:

• Memory Size: 4 Megabit (512K x 8)
• Access Time: 90ns
• Package Type: 40-pin DIP
• Operating Voltage: 5V
• Temperature Range: Industrial (-40°C to +85°C)
• Programming Support: Supports industry-standard programming algorithms

The AT27C4096-90PU is programmed using industry-standard programming algorithms, which ensures compatibility with most EPROM programmers available on the market. This eases the process of programming the chip for custom applications. Additionally, the device's 5V operating voltage aligns with common logic levels used in digital circuits, reducing the need for level shifting.

Microchip Technology has designed the AT27C4096-90PU to withstand harsh industrial environments, with an operating temperature range of -40°C to +85°C. This robustness makes it suitable for deployment in outdoor applications and other settings where temperature variations are a concern.

Overall, the AT27C4096-90PU EPROM chip provides a dependable and easy-to-use solution for storing firmware, configuration parameters, or any other type of data that must remain unaltered and accessible over an extended period, even without power.