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AT24RF08 Datasheet(PDF) 1 Page - ATMEL Corporation

Part No. AT24RF08
Description  1K x 8 Dual Access EEPROM with RFID and Serial Interfaces
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT24RF08 Datasheet(HTML) 1 Page - ATMEL Corporation

   
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Features
Dual-Port Nonvolatile Memory - RFID and Serial
Two-Wire Serial Interface:
– Compatible with AT24C08, and similar products from others
– Supports standard byte and page read/write commands
– Programmable Access Protection to limit reads or writes from either port
– 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
– 11 RFID commands for tag control and memory read/write
– Ultra low power single bit write - 20
µµµµA
Highly-Reliable EEPROM Memory
– 8K bits (1K bytes)
– Organized as 8 blocks of 128 bytes each
– 16-byte page write, 10ms write time
– Additional memory for access protection and ID number
– 10 years retention, 100K write cycle endurance
– -40° to +85° operation
Standard 8-lead SOIC package
2.4 to 5.5V Supply Voltage
Description
The chip functions as 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 inteface side to
isolate blocks of memory from improper access depending on the situation. The RFID interface
is designed to be powered solely from the attached coil, permitting remote reads and writes of
the device.
Block Diagram
Pin Configurations
Pin Name
Function
L1
Coil Connection
L2
Coil Connection
PROT
Protection Input
GND
Ground
SDA
Serial Data,Open Drain I/O
SCL
Serial Clock Input
WP
Write Protect Input
Vcc
Supply: 2.4 - 5.5V
1K x 8
Dual Access
EEPROM with
RFID and Serial
Interfaces
AT24RF08
8-Pin SOIC
1072AS - 4/98 - 100
Note: This is a summary document. For more information contact:
Kerry Maletsky at kmaletsky@atmel.com


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