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參數(shù)資料
| 型號(hào)： | EM4100B6WW27E |
| 廠商： | EM Microelectronic |
| 英文描述： | Read Only Contactless Identification Device |
| 中文描述： | 只讀非接觸識(shí)別裝置 |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 186K |
| 代理商： | EM4100B6WW27E |
R
EM MICROELECTRONIC
- MARIN SA
EM4100
Copyright 2004, EM Microelectronic-Marin SA
1
www.emmicroelectronic.com
Read Only Contactless Identification Device
Description
The EM4100 (previously named H4100) is a CMOS
integrated circuit for use in electronic Read Only RF
Transponders. The circuit is powered by an external coil
placed in an electromagnetic field, and gets its master
clock from the same field via one of the coil terminals. By
turning on and off the modulation current, the chip will send
back the 64 bits of information contained in a factor y pre-
programmed memory array.
The programming of the chip is performed by laser fusing
of polysilicon links in order to store a unique code on each
chip.
The EM4100 has several metal options which are used to
define the code type and data rate. Data rates of 64, 32
and 16 periods of carrier frequency per data bit are
available. Data can be coded as Manchester, Biphase or
PSK.
Due to low power consumption of the logic core, no supply
buffer capacitor is required. Only an external coil is needed
to obtain the chip function. A parallel resonance capacitor
of 74 pF is also integrated.
Typical Operating Configuration
Features
□
64 bit memory array laser programmable
□
Several options of data rate and coding available
□
On chip resonance capacitor
□
On chip supply buffer capacitor
□
On chip voltage limiter
□
Full wave rectifier on chip
□
Large modulation depth due to a low impedance
modulation device
□
Operating frequency 100 - 150 kHz
□
Very small chip size convenient for implantation
□
Very low power consumption
Applications
□
Logistics automation
□
Anticounterfeiting
□
Access control
□
Industrial transponder
Coil1
Coil2
EM4100
L: typical 21.9mH for fo = 125kHz
Fig. 1
Pin Assignment
EM4100
COIL1
COIL2
VDD
VSS
COIL1
COIL2
Coil terminal / Clock input
Coil terminal
Fig. 2
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