Microchip 1 MB EEPROM 80 ns 8-Pin SOIC SPI Memory AT25M01-SSHM-B

The Microchip AT25M01-SSHM-B is a 1 Megabit (1 MB) serial electrically erasable programmable read-only memory (EEPROM) designed for industrial and commercial applications requiring reliable low-power, low-voltage memory solutions. This device is organized as 128K x 8-bit words with a total capacity of 1,048,576 bits.

This EEPROM supports SPI interface types with modes 0 and 3 and a maximum clock frequency of 20 MHz, enabling fast and efficient data communication. It operates over a voltage range of 1.7 V to 5.5 V, making it suitable for a wide variety of power domains.

Its efficient self-timed erase and write cycles guarantee completion within 5 milliseconds, enhancing operational speed and reliability. Read and write current consumption is optimized for power saving, with 10 mA maximum read current at 20 MHz and 7 mA maximum write current at 5 V. Standby current consumption is minimized to microamp levels, ensuring low power usage during idle states.

The device ensures data retention for up to 100 years and supports more than one million erase/write cycles, delivering long-term durability even in demanding environments. It includes block write protection mechanisms to safeguard 1/4, 1/2, or the entire memory array from unintended writes.

Thermal operation range from -40 °C to 85 °C supports industrial conditions. The 8-pin SOIC surface mount package has a compact 1.5 mm height, fitting well in modern electronic assemblies aiming to save board space.

Typical industrial use cases include embedded system storage, configuration memory, and non-volatile data storage for instrumentation, automotive systems, and communication devices. Factory programming services are available for efficient deployment.

Provides 1,048,576 bits in 128K x 8-bit organization. Supports SPI interface modes 0 and 3, with up to 20 MHz clock frequency. Operates on a voltage range of 1.7 V to 5.5 V with low supply currents. Self-timed erase/write cycles with a maximum of 5 ms.

Data retention of 100 years and more than 1 million cycles endurance. Block write protection for enhanced data security. Industrial temperature tolerance from -40 °C to 85 °C. Compact surface mount 8-pin SOIC package with 1.5 mm height.

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