參數(shù)資料
型號(hào): AT24RF08C
廠商: Atmel Corp.
英文描述: Asset Identification EEPROM(雙存取EEPROM(帶一個(gè)有線串行端口和一個(gè)無(wú)線RFID端口))
中文描述: 資產(chǎn)識(shí)別的EEPROM(雙存取的EEPROM(帶一個(gè)有線串行端口和一個(gè)無(wú)線RFID的端口))
文件頁(yè)數(shù): 1/21頁(yè)
文件大?。?/td> 429K
代理商: AT24RF08C
1
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
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.
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: 2.4V - 5.5V
Asset
Identification
EEPROM
AT24RF08C
Rev. 1072E
09/99
8-Pin SOIC
1
2
3
4
8
7
6
5
L1
L2
PROT
GND
VCC
WP
SCL
SDA
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PDF描述
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