AT25SF641-SUB-T

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AT25SF641-SUB-T

IC FLASH 64MBIT SPI/QUAD 8SOIC

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  • Mfr. Part #AT25SF641-SUB-T
  • Package
  • Datasheet
  • In Stock2285

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Specifications

Part Status Obsolete
DigiKey Programmable Not Verified
Memory Type Non-Volatile
Memory Format FLASH
Technology FLASH - NOR
Memory Size 64Mbit
Memory Organization 8M x 8
Memory Interface SPI - Quad I/O, QPI
Write Cycle Time - Word, Page 150µs, 5ms
Voltage - Supply 2.7V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.209", 5.30mm Width)
Supplier Device Package 8-SOIC
Base Product Number AT25SF641
Clock Frequency 104 MHz

Overview

Description

The AT25SF641-SUB-T is a serial flash memory chip manufactured by Adesto Technologies, featuring 64 megabits (8 megabytes) of non-volatile storage. It utilizes the SPI (Serial Peripheral Interface) protocol, allowing high-speed data transfer and efficient memory access. This memory device is suitable for a range of applications, including consumer electronics, automotive systems, and industrial equipment, due to its reliability and durability.
Key features include a wide operating voltage range (typically 2.7V to 3.6V), a fast read speed of up to 104 MHz, and support for multiple modes of operation, such as Quad SPI for enhanced performance. The AT25SF641-SUB-T also offers various data protection and security features, making it ideal for storing firmware and configuration settings.
Its compact size and low power consumption further enhance its appeal for embedded systems, enabling manufacturers to design energy-efficient and space-constrained applications. Overall, the AT25SF641-SUB-T is a versatile and robust solution for modern memory needs.

Features

The AT25SF641-SUB-T is a serial Flash memory chip from Microchip Technology, featuring 64 Megabits (8 Megabytes) of storage. Key features include:
1. Interface: Supports a Serial Peripheral Interface (SPI) protocol, compatible with standard SPI and dual/quad SPI modes for faster data transfer.
2. Voltage: Operates on a supply voltage of 2.7V to 3.6V, making it suitable for low-power applications.
3. Speed: Offers fast read speeds of up to 104 MHz in dual and quad SPI modes.
4. Endurance: Provides a minimum of 100,000 program/erase cycles, ensuring durability for frequent write operations.
5. Data Retention: Guarantees data retention of up to 20 years under proper conditions.
6. Security Features: Includes support for hardware and software write protection, ensuring data integrity.
7. Packaging: Available in compact packages, such as SOIC and WSON, for space-constrained designs.
Overall, the AT25SF641-SUB-T is a versatile and efficient choice for various embedded applications.

Package

The AT25SF641-SUB-T is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package. This surface-mount package is designed for easy integration into various electronic applications.

Pinout

The AT25SF641-SUB-T is a 64Mb serial Flash memory device with a total of 16 pins. It is designed for use in various applications requiring non-volatile memory. The primary functions of the pins are as follows:
1. VCC: Power supply voltage.
2. GND: Ground reference.
3. SCK: Serial clock input.
4. CS: Chip select (active low).
5. MOSI: Master Out Slave In (data input).
6. MISO: Master In Slave Out (data output).
7. WP: Write protect (active low).
8. HOLD: Hold pin (active low).
The device supports a serial SPI interface, enabling efficient data transfer and memory operations such as read, write, and erase. The AT25SF641-SUB-T is suitable for applications such as code storage, data logging, and firmware updates.

Manufacturer

The AT25SF641-SUB-T is manufactured by Microchip Technology Inc. Microchip is an American semiconductor company that specializes in embedded control and microcontroller solutions. Founded in 1989, the company designs, develops, and produces a wide range of microcontrollers, microprocessors, memory devices, and analog semiconductors. Microchip serves various industries, including automotive, industrial, and consumer electronics, providing comprehensive solutions for applications requiring high performance and low power consumption. Their products, including flash memory like the AT25SF641-SUB-T, are widely used in embedded systems, enabling functionalities such as data storage and code execution.

Application

The AT25SF641-SUB-T is a 64Mb serial flash memory used in various applications, including consumer electronics, automotive systems, industrial automation, and IoT devices. Its features support firmware storage, code execution, and data logging, making it suitable for applications requiring high-performance memory with low power consumption and fast read/write speeds.

Equivalent

The AT25SF641-SUB-T is a 64M-bit serial flash memory chip. Equivalent products include:
1. W25Q64FV (Winbond)
2. MT25QL64 (Micron)
3. S25FL064P (Spansion)
4. N25Q064A (Micron)
5. IS25LP064 (ISSI)
These alternatives offer similar specifications and functionalities but always verify compatibility based on your specific application needs.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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