AT25128B-SSPD-T

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AT25128B-SSPD-T

EEPROM

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Übersicht

Description

The AT25128B-SSPD-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip developed by Microchip Technology. It features a 128 Kbit (16 KB) memory capacity organized in 16 pages of 64 bytes each. This device operates on a supply voltage range of 1.8V to 5.5V and communicates via a Serial Peripheral Interface (SPI), providing fast read and write operations.
Key features include a high-speed clock rate of up to 20 MHz, a page write capability, and support for multiple chip select lines, making it suitable for various applications in consumer electronics, automotive, and industrial sectors. The AT25128B-SSPD-T also includes robust data protection features such as hardware write protection and a unique ID for security.
This EEPROM is designed for applications requiring non-volatile memory storage, allowing data retention even when the power is removed. Its compact size and SPI interface make it easy to integrate into various electronic designs.

Package

The AT25128B-SSPD-T is packaged in a 8-pin SOIC (Small Outline Integrated Circuit) format. This surface-mount package type is designed for space-efficient applications, providing a compact solution for integrated circuits.

Pinout

The AT25128B-SSPD-T is a 1 Mb (128 K x 8) serial EEPROM that features a total of 8 pins. The pin configuration and their functions are as follows:
1. VCC: Power supply voltage (typically 2.7V to 5.5V).
2. GND: Ground reference.
3. SCK: Serial clock input used for timing the communication.
4. SI: Serial data input for writing data to the EEPROM.
5. SO: Serial data output for reading data from the EEPROM.
6. CS: Chip select input that enables the device for communication.
7. WP: Write protect input that prevents writing to the memory when high.
8. NC: No connect pin (not internally connected, can be left unconnected).
This device supports SPI (Serial Peripheral Interface) communication, making it suitable for various applications where non-volatile memory storage is required.

Manufacturer

The AT25128B-SSPD-T is manufactured by Microchip Technology Inc. Microchip is a leading provider of embedded control solutions and semiconductor products. Founded in 1989, the company specializes in microcontrollers, memory products, and analog and interface devices. Microchip serves a wide range of industries, including automotive, industrial, consumer electronics, and communications, providing solutions that enable sophisticated electronic designs. The AT25128B-SSPD-T is a serial EEPROM that offers high-density memory and is commonly used in applications requiring data storage and retrieval.

Application

The AT25128B-SSPD-T is a 128Kb serial EEPROM used in various applications, including consumer electronics, industrial devices, automotive systems, and telecommunications. It serves for data storage, configuration settings, firmware updates, and user information retention in systems requiring non-volatile memory. Its SPI interface enables fast data transfer, making it suitable for applications where speed and reliability are crucial.

Equivalent

The AT25128B-SSPD-T chip is a 16 Kbit serial EEPROM. Equivalent products include:
1. Microchip 25AA128 - 128 Kbit SPI EEPROM
2. Winbond W25X128 - 128 Kbit SPI Flash memory
3. STMicroelectronics M95M02 - 2 Kbit EEPROM
Check specifications for compatibility with voltage, communication protocol, and pin configuration.

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