AT34C02D-SSHMHL-T Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Memory Type:	Non-Volatile
Memory Format:	EEPROM
Technology:	EEPROM
Memory Size:	2Kb (256 x 8)
Clock Frequency:	1MHz
Write Cycle Time - Word, Page:	5ms
Memory Interface:	I²C
Voltage - Supply:	1.7 V ~ 5.5 V
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 Part Number:	AT34C02

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AT34C02D-SSHMHL-T Application Field and Working Principle

Introduction

AT34C02D-SSHMHL-T is a 2-Wire Serial EEPROM Memory developed by Microchip Technology Inc. It is widely used in various industrial applications as well as consumer electronics. The device is equipped with 1KB of electrically erasable programmable memory (EEPROM) which makes it ideal for storing data. It also has capacitance sensing built in for a more robust data protection mechanism.

Application Field

AT34C02D-SSHMHL-T is designed for a variety of applications, including data retention, backup, configuration memory and other embedded industrial applications. It is also used in consumer electronics such as remote controls, door locks, and home automation systems. It’s the perfect product for applications where data security, durability and fast access are required.

Features

AT34C02D-SSHMHL-T offers several features that make it ideal for these applications. It has a low voltage operation range of 1.8V to 5.4V, meaning that it can be used in a variety of applications. It also has a high frequency write/read operation of up to 400KHz, making it ideal for applications that require fast data access. It also has a broad range of operating temperature from 0°C to 70°C, meaning that it can be used in a variety of industrial or consumer applications.

Security

AT34C02D-SSHMHL-T offers several features to ensure data security. It has integrated capacitance sensing to detect any attempt to access or modify the memory. It also has an 8-bit One-Time Programmable (OTP) code that can be stored in the vicinity of data to protect against unauthorized access. This code can be programmed via the two-wire interface, allowing it to be customized for each application. In addition, it has a Multi-byte data protection feature that can be used to protect up to 32 bytes of data against accidental data deletion or modification.

Working Principle

AT34C02D-SSHMHL-T is a two-wire interface memory, which makes it ideal for low-power applications. The device has an Integrated Serial Peripheral Interface (SPI) controller, which allows it to be easily interfaced with a microcontroller. The SPI bus is broken down into a Master Out Slave In (MOSI) line and a Slave In Master Out (SIPI) line, which are used for transmitting and receiving data, respectively. Data is transmitted on the MOSI line and received on the SIPI line, which allows the AT34C02D-SSHMHL-T memory to receive, store, and forward data. Furthermore, the device has an on-chip hardware write protection scheme, which prevents data corruption or modification and ensures data security.

Conclusion

AT34C02D-SSHMHL-T is a two-wire interface Serial EEPROM Memory developed by Microchip Technologies Inc. It is widely used in various industrial applications, as well as consumer electronics. The device has a low voltage operation range of 1.8V to 5.4V, as well as a high frequency write/read operation of up to 400KHz. It also has an 8-bit One-Time Programmable (OTP) code, an integrated capacitance sensing, and a Multi-byte data protection feature that can be used to protect up to 32 bytes of data against accidental data modification or deletion. AT34C02D-SSHMHL-T is ideal for applications where data security, durability and fast access are required.

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