參數(shù)資料
型號(hào)： EM4169B6WW7
廠商： EM Microelectronic
英文描述： 128 bit Read/Write Contactless Identification Device with OTP function
中文描述： 128位讀/寫(xiě)非接觸識(shí)別裝置的OTP功能
文件頁(yè)數(shù)： 1/15頁(yè)
文件大小： 270K
代理商： EM4169B6WW7
EM4069
EM4169
Copyright
2003, EM Microelectronic-Marin SA
1
www.emmicroelectronic.com
128 bit Read/Write Contactless Identification Device
with OTP function
Description
EM4069 (previously named P4069) is a CMOS integrated
circuit intended for use in electronic Read/Write RF
transponders, with an optional lock function to disable
EEPROM write operations.
The IC is powered by picking the energy from a
continuous 125 kHz magnetic field via an external coil,
which together with the integrated capacitor form a
resonant circuit. The IC read out data’s from its internal
EEPROM or ROM and sends it out by switching on and
off a resistive load in parallel to the coil. Commands and
EEPROM data updates can be executed by AM
modulation of the 125 kHz magnetic field.
At power–up the EM4069 goes in default mode in which it
constantly (without any pause) transmits 128 bits from the
EEPROM. Upon transmission of a specific command, the
64 bits unique laser code is output. Additional commands
for writing and lock data in EEPROM are available.
The EM4169 (previously named P4169) is the same
device but with large bumps (mega pads) as indicated on
page 13 of this data sheet. All specified parameters and
descriptions are applicable for the EM4169 device.
Features
128 bit EEPROM organized in 8 words of 16 bits
64 bit fixed code memory array laser programmed
OTP feature convert EEPROM words in read only
Power on Reset sequence
Power-check for EEPROM write operation
Data
transmission
Modulation (IC to reader and reader to IC)
Data encoding : Manchester or BI-Phase (FDX-B)
Transmission reader to chip: typically 65% AM
modulation
Data rate : 64 or 32 RF field periods per bit
(2 kBaud or 4 kBaud at 125 kHz)
78 pF resonant capacitor integrated on chip
100 to 150 kHz frequency range
On-chip rectifier and voltage limiter
No external supply buffer capacitor needed
-40 to +85
°
C temperature range
Very low Power consumption
performed
by
Amplitude
Applications
Access Control
Animal Identification
Material Logistics
Typical Operating Configuration
VSS
L
C1
Typical value for inductance L is 20.7mH at
f
O
= 125
KHz
EM4069
Fig. 1
Pin Assignment
EM4069
C1
VSS
Fig. 2
EM MICROELECTRONIC
- MARIN SA
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