EmbeddedRelated.com
The 2026 Embedded Online Conference
    Parts   Memory & Storage  NOR Flash    AT25SF081B-SSHD-T
AT25SF081B-SSHD-T

RENAT25SF081B-SSHD-T

Renesas Electronics Corporation
FLASH - NOR Memory IC 8Mbit SPI - Quad I/O 108 MHz 8-SOIC
Active9,150 in stock
Datasheet Digi-Key Compare Prices

Overview

The Renesas AT25SF081B-SSHD-T is an 8Mbit (1M x 8) Serial NOR Flash memory IC with a SPI interface supporting Dual I/O and Quad I/O modes. It operates from a 2.5V to 3.6V supply and features a maximum clock frequency of 108 MHz, making it suitable for applications requiring high-speed data access.

Why Choose This Part

This device offers flexible interfacing with standard SPI, Dual I/O, and Quad I/O modes, allowing engineers to balance speed and pin count requirements. Its low power consumption, with a standby current of 13.3 uA, makes it suitable for battery-powered applications. Features like memory protection, OTP security registers, and 100,000 program/erase cycles enhance data integrity and system reliability.

Applications

Embedded System Code Storage
Provides reliable non-volatile storage for firmware, boot code, and configuration data in microcontrollers and system-on-chips.
Data Logging
Ideal for storing sensor data, event logs, and operational parameters in industrial equipment, IoT devices, and portable electronics.
Consumer Electronics
Used in various consumer devices for application code storage, user settings, and temporary data buffering due to its compact size and low power consumption.
Networking Equipment
Suitable for storing network device configurations, firmware updates, and basic operational parameters.
Industrial Control Systems
Ensures persistent storage of operational programs, calibration data, and system logs in automation and control applications.

Key Specifications

Technology FLASH - NOR
Memory Size 8Mbit
Memory Type Non-Volatile
Memory Format FLASH
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Clock Frequency 108 MHz
Memory Interface SPI - Quad I/O
Voltage - Supply 2.5V ~ 3.6V
Memory Organization 1M x 8
Operating Temperature -40degC ~ 85degC (TC)
Supplier Device Package 8-SOIC
Write Cycle Time - Word, Page 50us, 2.4ms

Getting Started

To get started with the AT25SF081B-SSHD-T, integrate it into your PCB design, ensuring proper SPI connections. Utilize software drivers provided by Renesas or common open-source SPI flash libraries. Most microcontroller IDEs and toolchains will support standard SPI communication, allowing you to read and write data to the flash memory.

Also Consider

W25Q80DVSSIG Winbond Electronics Corporation - This is an 8Mbit SPI Flash memory with similar performance and package, offering a viable alternative from a different manufacturer.

Categories

Memory & Storage > NOR Flash
The 2026 Embedded Online Conference