AT93C66B-XHM-T

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AT93C66B-XHM-T

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IC EEPROM 4KBIT SPI 2MHZ 8TSSOP

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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 4Kb (512 x 8, 256 x 16)
Memory Interface SPI
Clock Frequency 2 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 AT93C66B-XHM-T is a 4Kb serial Electrically Erasable Programmable Read-Only Memory (EEPROM) from Microchip Technology. It is designed for applications requiring low-power and non-volatile data storage. The device offers a 256 x 16-bit or 512 x 8-bit memory organization, making it versatile for various data storage needs. Key features include a wide operating voltage range from 1.8V to 5.5V, ensuring compatibility with various power sources, and a low operating current, which is ideal for battery-powered applications.
The EEPROM operates over a standard SPI (Serial Peripheral Interface) communication protocol, enabling easy integration with microcontrollers and other digital systems. It also supports a write protection feature to prevent accidental data overwrites. The AT93C66B-XHM-T can endure up to 1 million write cycles and has data retention of up to 100 years, ensuring durability and reliability. Its compact 8-lead SOIC package allows for efficient use of board space in electronic designs. Overall, this EEPROM is suitable for use in consumer electronics, automotive systems, and industrial applications.

Equivalent

The AT93C66B-XHM-T is a 4Kb (512 x 8 or 256 x 16) EEPROM with a SPI interface. Equivalent products include:
1. Microchip Technology 93LC66B
2. STMicroelectronics M93C66
3. ROHM BR93G66-2
4. ON Semiconductor CAT93C66
5. Renesas Electronics R1EX24512
These alternatives typically offer similar memory capacity and interfaces but may differ slightly in operating voltage, speed, or packaging. Always check datasheets for compatibility.

Features

The AT93C66B-XHM-T is a 4Kbits serial Electrically Erasable Programmable Read-Only Memory (EEPROM) organized as 512 x 8 bits or 256 x 16 bits. It features a wide operating voltage range from 1.8V to 5.5V, allowing for flexible application use. The device operates with a low standby current, enhancing power efficiency.
It utilizes the Microwire serial interface protocol, ensuring fast data transfer. The AT93C66B-XHM-T offers a write cycle time of 5 ms, enabling quick data storage. It includes a self-timed write cycle and an automatic erase-before-write capability to ensure data integrity.
The EEPROM is highly reliable, supporting over 1 million write cycles and 100-year data retention. Its compact package options and high-density storage make it suitable for a variety of applications, such as industrial and automotive systems. The device also provides built-in write protection options, safeguarding against inadvertent data modification.

Pinout

The AT93C66B-XHM-T is an EEPROM (Electrically Erasable Programmable Read-Only Memory) device. It typically features an 8-pin configuration. Here is a brief overview of the pin functions:
1. CS (Chip Select): Activates the device when low.
2. SK (Serial Data Clock): Synchronizes data movement on the bus.
3. DI (Data Input): Serial data input for instructions and data.
4. DO (Data Output): Serial data output for reading data from the device.
5. GND (Ground): Ground reference voltage.
6. ORG (Organization): Sets memory organization mode.
7. NC (No Connect): Not internally connected, often left unconnected.
8. VCC (Power Supply): Supply voltage for operation.
These pins facilitate the communication and operation of the EEPROM, enabling data storage and retrieval in various electronic applications.

Manufacturer

The AT93C66B-XHM-T is manufactured by Microchip Technology Inc. Microchip is a leading American company that specializes in the design and manufacture of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. Founded in 1989, Microchip provides a broad range of products for various applications, including automotive, industrial, consumer, and computing sectors. The company's offerings are known for their reliability and performance in embedded control solutions.

Application

The AT93C66B-XHM-T is a 4Kb serial EEPROM typically used in applications requiring non-volatile memory storage. Its application areas include:
1. Consumer Electronics: Storing device settings and user preferences.
2. Industrial Systems: Configuration data storage for machinery and equipment.
3. Automotive: Storing calibration data and system configurations.
4. Medical Devices: Retaining critical patient and device information.
5. Telecommunications: Configuration and settings storage for network devices.
6. Smart Cards: Data storage for security and authentication processes.
7. Embedded Systems: General-purpose data storage in microcontroller-based applications.
These applications benefit from the EEPROM's reliability, compact size, and ability to perform a high number of write/erase cycles.

Package

The AT93C66B-XHM-T is a Serial EEPROM from Microchip Technology. It typically comes in a TSSOP-8 package, which is a thin shrink small outline package with 8 leads. This package type is compact and suitable for surface mounting on a printed circuit board.

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