Datasheet > AT24RF08C

AT24RF08C

更新时间： 2024-09-19 03:02:15

品牌	Logo	应用领域
爱特美尔 - ATMEL		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
21页	418K
描述
Asset Identification EEPROM

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中文翻译

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数据手册

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AT24RF08C 数据手册

Features

• Dual-port Nonvolatile Memory - RFID and Serial Interfaces

• Two-wire Serial Interface:

– Compatible with a Standard AT24C08 Serial EEPROM

– Programmable Access Protection to Limit Reads or Writes from Either Port

– Lock/Unlock Function, Coil Connection Detection

• RFID Interface:

– 125 kHz Carrier Frequency for Long Range Access

– 2-Wire Connection to External Coil Antenna and Tuning Capacitor

– Multi-tag Management to Handle Several Tags in the Field at Once

– 12 RFID Commands for Tag Control and Memory Read/Write

– ID Write and Lock from RFID Port

Asset

Identification

EEPROM

– Ultra Low Power Single Bit Write - 25 µA

• Highly-reliable EEPROM Memory

– 8K bits (1K bytes), Organized as 8 Blocks of 128 Bytes Each

– 16-byte Page Write, 10 ms Write Time

– 10 Years Retention, 100K Write Cycle Endurance

• -40°C to +85°C Operation, 2.4V to 5.5V Supply, 8-Lead JEDEC SOIC Package

Description

The AT24RF08C functions as a dual access EEPROM, with both a wired serial port

and a wireless RFID port used to access the memory. Access permissions are set

from the serial interface side to isolate blocks of memory from improper access. The

RFID interface can be powered solely from the attached coil permitting remote reads

and writes of the device when VCC is not applied.

AT24RF08C

Block Diagram

Pin Configurations

8-Pin SOIC

Pin Name

Function

Coil Connection

Protection Input

Ground

VCC

PROT

GND

SDA

SCL

PROT

GND

SCL

SDA

Serial Data,Open Drain I/O

Serial Clock Input

Write Protect Input

Supply: 2.4V - 5.5V

Rev. 1072E–09/99

VCC

12 3 4 5 6 7...21

中文翻译

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