93LC66A-I/SN

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93LC66A-I/SN

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IC EEPROM 4KBIT MICROWIRE 8SOIC

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規格

屬性 價值
Part Status Active
Digi Key Programmable Verified
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 4Kbit
Memory Organization 512 x 8
Memory Interface Microwire
Write Cycle Time - Word, Page 6ms
Voltage - Supply 2.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number 93LC66
Clock Frequency 2 MHz

概述

Description

The 93LC66A-I/SN is a Microchip Technology EEPROM (Electrically Erasable Programmable Read-Only Memory) chip. It belongs to the 93XX series and is known for its low-power, high-performance features. This device offers 4K bits of memory, organized as 256 x 16 bits, making it suitable for data storage applications that require non-volatile memory.
Key features include its serial interface, which supports MICROWIRE protocol, ensuring simple and efficient communication with microcontrollers. The 93LC66A-I/SN operates over a wide voltage range (2.5V to 5.5V), making it versatile for various applications. It also supports multi-byte read and write operations, enhancing data handling efficiency.
With its small size, the chip is suitable for space-constrained applications. Its endurance and reliability are bolstered by a minimum of 1,000,000 write cycles and over 200 years of data retention. The EEPROM is commonly used in consumer electronics, industrial equipment, and automotive systems for tasks such as data logging, configuration settings, and calibration data storage.

Equivalent

The 93LC66A-I/SN is a Microchip Technology EEPROM. Equivalent products include:
1. Atmel AT93C66
2. STMicroelectronics M93C66
3. ROHM BR93C66
4. ON Semiconductor CAT93C66
These are serial EEPROMs with similar features and specifications, suitable for applications requiring non-volatile memory. Always check the datasheet to ensure compatibility in terms of package, voltage, and other electrical characteristics.

Pinout

The 93LC66A-I/SN is an EEPROM (Electrically Erasable Programmable Read-Only Memory) device that typically comes in an 8-pin package. The key functions of these pins are as follows:
1. CS (Chip Select): Activates the device when low.
2. CLK (Clock): Used to synchronize the communication between the device and the microcontroller.
3. DI (Data In): Input for data to be written to the memory.
4. DO (Data Out): Output for data to be read from the memory.
5. GND (Ground): Ground reference point for the device.
6. ORG (Organization Select): Configures memory organization (word or byte mode).
7. NC (No Connect): Not internally connected but usually left unconnected.
8. VCC (Supply Voltage): Powers the device.
This EEPROM is used for non-volatile data storage, meaning it retains data even when power is removed. It's commonly used in applications requiring small amounts of data storage, like calibration data or configuration settings.

Manufacturer

The 93LC66A-I/SN is manufactured by Microchip Technology Incorporated. Microchip Technology is a leading American company that specializes in designing and manufacturing microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. Founded in 1989 and headquartered in Chandler, Arizona, Microchip Technology serves a broad range of markets, including automotive, industrial, consumer, and aerospace. The company is known for providing embedded control solutions and supporting products that facilitate the design of various electronic devices and systems.

Application

The 93LC66A-I/SN is a Microchip Technology EEPROM with a capacity of 4K bits, organized as 256 x 16 or 512 x 8. Its application areas include:
1. Consumer Electronics: Used in devices for storing configuration settings and calibration data.
2. Automotive: Suitable for storing vital information in keyless entry systems, seat position settings, and infotainment systems.
3. Industrial Equipment: Employed for maintaining parameters in controllers and sensors.
4. Medical Devices: Used for data logging and storing operational parameters in equipment.
5. Communication Systems: Helps in configuration storage for routers and switches.
Its versatility and reliability in retaining data make it suitable for applications requiring non-volatile memory.

Package

The 93LC66A-I/SN is an EEPROM from Microchip Technology, and it typically comes in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface mounting on printed circuit boards.

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