AT24C02D-MAHM-T Integrated Circuits (ICs)

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Base Part Number:	AT24C02
Supplier Device Package:	8-UDFN (2x3)
Package / Case:	8-UFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TC)
Voltage - Supply:	1.7 V ~ 3.6 V
Memory Interface:	I²C
Access Time:	4.5µs
Series:	--
Clock Frequency:	1MHz
Memory Size:	2Kb (256 x 8)
Technology:	EEPROM
Memory Format:	EEPROM
Memory Type:	Non-Volatile
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

AT24C02D-MAHM-T is an 8-pin contact-based memory device mainly used in information storage and communication in industries, such as automotive, medical, consumer electronics and communication equipment. It integrates with a programmable read-only memory (PROM) which can store up to 2710 instructions up to 10K instructions. The memory device is designed with memory array, data transfer and control logic in the package of 8 pin contacts, and is very convenient to use.

Application Fields

AT24C02D-MAHM-T is mainly used for information storage under different application field. It has low power consumption and is suitable for low duty cycle applications, like consumer electronics and appliances. It has the advantages of reliable operation, long product life and easy-implemented manufacturing. It is also used in automotive industrial, mainly for storing data and parts numbers of cars, so safety driving is ensured. It is also used in medical industry for packing health data, like patient\'s vital sign, X-Ray image, etc. In the field of telecommunication, AT24C02D-MAHM-T is used in data processing and data communication, in order to save time and enhance security.

Working Principle

AT24C02D-MAHM-T is a contact-based memory device, it is designed with memory array, data transfer and control logic in the package of 8 pin contacts. Basically, the sequence to read or write data to the memory device is as follows:1.Select the device address by using Address inputs A0-A7 2.Set the two control pins (CE, OE) to high or low to control it 3.Set data lines (DATA I/O) according to the set-up of the internal circuitry 4.Read/Write data by using I/O (Input/Output) pins 5.Set CE, OE, A0-A7 to low to end the operationThe memory device needs certain voltage to power up, depending on the external conditions. Normally, it works at 2.7V to 5.5V. The external temperature should be in the range of -55℃ to +125℃.

Conclusion

AT24C02D-MAHM-T is a versatile memory device with 8 pin contacts, it simply has the memory array, data transfer and control logic in the package. It is very popular in different application fields, like automotive, medical, consumer electronics and telecommunication, due to its long product life, easy-implemented manufacturing, low power consumption and reliable operation. The working principle of AT24C02D-MAHM-T is simplified and easy to understand, it requires certain voltage to power up and the temperature should be in a certain range to ensure reliable operation.

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