AT25M01-SSHM-T

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AT25M01-SSHM-T

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IC EEPROM 1MBIT SPI 20MHZ 8SOIC

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 1Mb (128K x 8)
Memory Interface SPI
Clock Frequency 20 MHz
Write Cycle Time - Word Page 5ms
Voltage - Supply 1.7V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Visão Geral

Description

The AT25M01-SSHM-T is a 1-megabit serial EEPROM (Electrically Erasable Programmable Read-Only Memory) designed by Microchip Technology. It operates on a 1.7V to 3.6V power supply and is organized as 131,072 words of 8 bits each. This EEPROM is ideal for applications requiring non-volatile data storage, offering features such as byte and page-level write capability.
The device utilizes the industry-standard Serial Peripheral Interface (SPI) for communication, making it compatible with a wide range of microcontrollers and processors. It supports standard SPI modes (0,0 and 1,1) and offers high-speed clock frequency of up to 10 MHz, ensuring efficient data transfer.
The AT25M01-SSHM-T also includes advanced security features such as software write protection and hardware data protection options. Its endurance rating allows up to a million write/erase cycles per sector, and the data retention period is up to 100 years. The chip is available in a small 8-lead SOIC package, making it suitable for space-constrained applications like consumer electronics, industrial controls, and automotive systems.

Equivalent

The AT25M01-SSHM-T is a 1Mb serial EEPROM by Microchip Technology. Equivalent products include EEPROMs with similar specifications from other manufacturers such as:
1. 25LC1024 - Microchip Technology
2. M24M01 - STMicroelectronics
3. CAT24M01 - ON Semiconductor
4. 24AA1025 - Microchip Technology
Ensure compatibility by checking specifications such as memory size, interface type (SPI/I2C), voltage range, and temperature ratings.

Features

The AT25M01-SSHM-T is a 1 Mb (128K x 8) SPI serial EEPROM designed for efficient storage and retrieval of data. Key features include:
1. Storage Capacity: 1 Megabit (128K x 8).
2. Interface: SPI (Serial Peripheral Interface) compatibility, supporting high-speed data transfer.
3. Voltage Range: Operates within a range of 1.7V to 3.6V, providing flexibility for various applications.
4. Low Power Consumption: Ideal for battery-operated devices due to its low-power operation.
5. Flexible Architecture: Allows byte and page write operations, facilitating data management.
6. Security Features: Includes hardware and software data protection mechanisms.
7. Endurance: High endurance with 1 million write/erase cycles per sector.
8. Data Retention: Ensures data retention for up to 100 years, making it reliable for long-term data storage.
9. Temperature Range: Operational over a wide temperature range, suitable for various environments.
These features make the AT25M01-SSHM-T suitable for use in consumer electronics, industrial applications, and other areas requiring reliable non-volatile memory solutions.

Pinout

The AT25M01-SSHM-T is a 1Mb (128KB) serial EEPROM from Microchip Technology. It features an 8-pin layout, commonly used in a SOIC package. Here is a brief overview of its pin functions:
1. CS (Chip Select): Activates the device when low, enabling communication.
2. SCK (Serial Clock): Provides the clock signal for SPI communication.
3. SI (Serial Input): Receives data from the microcontroller.
4. SO (Serial Output): Sends data to the microcontroller.
5. WP (Write Protect): Protects part of the memory from being written.
6. GND: Ground reference voltage.
7. HOLD: Suspends communication temporarily without deselecting the device.
8. VCC: Power supply voltage.
The AT25M01 operates via an SPI interface, offering features like byte and page write modes, sequential read, and data protection mechanisms. It’s suitable for data storage applications requiring non-volatile retention and reliable performance.

Manufacturer

The AT25M01-SSHM-T is manufactured by Adesto Technologies, which is now part of Dialog Semiconductor, a subsidiary of Renesas Electronics Corporation. Adesto was known for its specialization in non-volatile memory solutions, particularly for Internet of Things (IoT) applications. Dialog Semiconductor, before being acquired by Renesas, was recognized for its mixed-signal integrated circuits, power management, and connectivity solutions. Renesas, a prominent global semiconductor company, focuses on offering a wide range of microcontrollers, analog, power, and SoC products. The acquisition of Dialog strengthened Renesas's portfolio, especially in low-power, mixed-signal, and IoT technologies.

Application

The AT25M01-SSHM-T is a 1Mb serial EEPROM memory chip commonly used in applications that require non-volatile storage. Key application areas include consumer electronics for storing firmware or user settings, industrial control systems for retaining configuration data, automotive systems for preserving calibration constants or diagnostic data, medical devices for storing patient records or device history, and telecommunications equipment for settings and log storage. Its small form factor and low power consumption make it ideal for portable and battery-operated devices. Additionally, its SPI interface allows for easy integration into various microcontroller-based systems.

Package

The AT25M01-SSHM-T is a serial EEPROM from Microchip Technology. It is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. This type of package is compact and suitable for surface mounting on circuit boards, making it ideal for applications requiring non-volatile memory with a small footprint.

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