AT25SF081B-SSHB-T

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AT25SF081B-SSHB-T

IC FLASH 8MBIT SPI/QUAD 8SOIC

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Thông số kỹ thuật

Part Status Active
DigiKey Programmable Verified
Memory Type Non-Volatile
Memory Format FLASH
Technology FLASH - NOR
Memory Size 8Mbit
Memory Organization 1M x 8
Memory Interface SPI - Quad I/O
Clock Frequency 108 MHz
Write Cycle Time - Word, Page 50µs, 2.4ms
Voltage - Supply 2.7V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TC)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number AT25SF081

Tổng quan

Description

The AT25SF081B-SSHB-T is a high-performance serial Flash memory device from Atmel (now part of Microchip Technology). It features an 8-megabit (1 MB) capacity, operating over a Serial Peripheral Interface (SPI), making it ideal for data storage in embedded applications. The device supports multiple modes, including Dual and Quad SPI, allowing for high-speed data transfer rates up to 104 MHz.
Key features include a wide operating voltage range (2.7V to 3.6V), low power consumption, and a fast read access time. The AT25SF081B-SSHB-T is designed for applications requiring non-volatile storage, such as firmware updates, configuration settings, and data logging.
It comes in a compact SOIC-8 package, making it suitable for space-constrained designs. The chip includes various protection features like write protection and memory lock capabilities, ensuring data integrity. Overall, the AT25SF081B-SSHB-T is a reliable choice for manufacturers seeking efficient, high-speed flash memory solutions.

Features

The AT25SF081B-SSHB-T is an 8Mb serial flash memory chip from Microchip Technology, featuring a SPI (Serial Peripheral Interface) interface. Key features include:
- Memory Size: 8 megabits (1 MB) of storage.
- Speed: Supports clock frequencies up to 104 MHz for fast data transfer.
- Voltage Range: Operates on a supply voltage of 2.7V to 3.6V.
- Data Transfer: Offers a dual/quad SPI option for higher data throughput.
- Endurance: Up to 100,000 program/erase cycles, ensuring reliability.
- Data Retention: Retains data for up to 20 years.
- Package Type: Comes in a 16-pin SOIC package.
- Security Features: Supports a write protection feature and a unique ID for additional security.
This chip is ideal for applications requiring low-power, high-performance flash memory, such as consumer electronics, automotive, and industrial devices.

Package

The AT25SF081B-SSHB-T comes in a 8-pin SOIC (Small Outline Integrated Circuit) package, specifically designed for surface mounting.

Pinout

The AT25SF081B-SSHB-T is an 8-Mbit Serial Flash memory chip from Microchip Technology, specifically designed for low-power applications. It features a 16-pin SOIC (Small Outline Integrated Circuit) package.
### Pin Count:
16 pins
### Key Functions:
1. VCC: Power supply pin.
2. GND: Ground pin.
3. SCK: Serial Clock input.
4. CS: Chip Select input; activates the device.
5. SI: Serial Data Input (for receiving data).
6. SO: Serial Data Output (for transmitting data).
7. HOLD: Hold pin; used to pause the operation.
8. WP: Write Protect pin; prevents accidental programming.
This chip supports SPI (Serial Peripheral Interface) communication and is used for various applications, including code storage and data retention in embedded systems.

Manufacturer

The AT25SF081B-SSHB-T is manufactured by Microchip Technology Inc., a leading provider of microcontrollers, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, Microchip specializes in embedded control solutions and offers a wide range of products, including memory devices like NAND and NOR Flash, microcontrollers, and various peripherals. The company serves diverse markets, including automotive, industrial, consumer electronics, and communications. Microchip is known for its commitment to innovation and customer support, providing comprehensive design resources and development tools to facilitate product integration.

Application

The AT25SF081B-SSHB-T is a serial Flash memory device used in various applications, including consumer electronics, automotive systems, industrial automation, and networking equipment. It serves for firmware storage, data logging, and configuration settings in devices such as smartphones, IoT devices, embedded systems, and digital signage. Its low power consumption and high-speed performance make it suitable for applications requiring efficient data storage and retrieval.

Equivalent

The AT25SF081B-SSHB-T chip is a serial NOR Flash memory. Equivalent products include:
1. Winbond W25Q80BV
2. Microchip SST25VF080B
3. Macronix MX25L8006E
4. Cypress S25FL080P
Always verify compatibility in terms of voltage, speed, and pin configuration before substitution.

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