AT25FF081A-SHN-T

Product Overview

The AT25FF081A-SHN-T from Renesas Electronics Corporation is an Active surface-mount NOR flash memory IC. It stores 8 Mbit in a 2M x 4 organization and uses an SPI - Quad I/O interface with a 133 MHz clock frequency. The device operates from a 1.65 V to 3.6 V supply over a -40°C to 85°C (TC) range and is supplied in an 8-SOIC package.

Key Features

• Memory type: Non-Volatile FLASH - NOR with 8 Mbit capacity and 2M x 4 organization.
• Interface: SPI - Quad I/O with 133 MHz clock frequency.
• Write cycle time (word, page): 22 µs, 6.5 ms.
• Supply voltage: 1.65 V to 3.6 V.
• Operating temperature: -40°C to 85°C (TC).
• Package: 8-SOIC (0.209 inch, 5.30 mm width), surface mount.

Applications

• Embedded control boards that store firmware images in a non-volatile serial flash device.
• Configuration and calibration data retention in instrument modules that require power-off persistence.
• Firmware update storage in consumer devices with SPI-capable host controllers.
• Data logging in portable electronics that need to retain records after power is removed.

Design & Procurement Notes

When selecting this device, confirm that the host controller supports SPI - Quad I/O and 133 MHz operation, and that the board supply remains within 1.65 V to 3.6 V. The 8-SOIC footprint and surface-mount format affect PCB layout and rework. The stated write cycle time (word, page) of 22 µs, 6.5 ms should be considered in firmware programming and update scheduling. The -40°C to 85°C (TC) range defines the supported operating envelope. The supplied lifecycle status is Active, which can inform long-term design planning without implying additional qualification.