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M24LR04E-R Datasheet(PDF) 128 Page - STMicroelectronics

Part # M24LR04E-R
Description  4-Kbit EEPROM with password protection, dual interface & energy harvesting: 400 kHz I²C bus & ISO 15693 RF protocol at 13.56 MHz
PDF  142 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24LR04E-R Datasheet(HTML) 128 Page - STMicroelectronics

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RF electrical parameters
M24LR04E-R
128/142
Doc ID 022208 Rev 5
Figure 81 shows an ASK modulated signal from the VCD to the M24LR04E-R. The test
condition for the AC/DC parameters are:
●
Close coupling condition with tester antenna (1 mm)
●
M24LR04E-R performance measured at the tag antenna
●
M24LR04E-R synchronous timing, transmit and receive
VMAX_1
(3)
RF input voltage amplitude
between AC0 and AC1, GND pad
left floating, VAC0-VAC1 peak to
peak(7)
20
V
VMAX_2
(3)
AC voltage between AC0 and
GND or between AC1 and GND
-1
8.5
V
VMIN_1
(3)
RF input voltage amplitude
between AC0 and AC1, GND pad
left floating, VAC0-VAC1 peak to
peak(7)
Inventory and Read operations
4
4.5
V
Write operations
4.5
5
V
VMIN_2
(3)
AC voltage between AC0 and
GND or between AC1 and GND
Inventory and Read operations
1.8
2
V
Write operations
2
2.2
V
tRF_OFF
RF OFF time
Chip reset
2
ms
1.
TA = –40 to 85 °C. Characterized only.
2.
All timing characterizations were performed between 0 °C and 50 °C on a reference antenna with the following
characteristics:
External size: 75 mm x 48 mm
Number of turns: 5
Width of conductor: 0.5 mm
Space between two conductors: 0.3 mm
Value of the tuning capacitor in SO8: 27.5 pF (M24LR04E-R)
Value of the coil: 5 µH
Tuning frequency: 13.56 MHz.
3.
15% (or more) carrier modulation index offers a better signal/noise ratio and therefore a wider operating range with a better
noise immunity.
4.
Temperature range 0 °C to 90 °C
5.
Characterized on bench.
6.
Characterized only, at room temperature only, measured at VAC0-VAC1 = 1 V peak to peak.
7.
Characterized only, at room temperature only.
Table 123.
RF characteristics(1) (2) (continued)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
Table 124.
Operating conditions
Symbol
Parameter
Min.
Max.
Unit
TA
Ambient operating temperature
–40
85
°C



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