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M24LR64-R bảng dữ liệu(PDF) 117 Page - STMicroelectronics

tên linh kiện M24LR64-R
Giải thích chi tiết về linh kiện  64 Kbit EEPROM with password protection & dual interface: 400 kHz I²C serial bus & ISO 15693 RF protocol at 13.56 MHz
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M24LR64-R bảng dữ liệu(HTML) 117 Page - STMicroelectronics

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M24LR64-R
RF electrical parameters
Doc ID 15170 Rev 14
117/128
Figure 73 shows an ASK modulated signal, from the VCD to the M24LR64-R. The test
condition for the AC/DC parameters are:
●
Close coupling condition with tester antenna (1 mm)
●
M24LR64-R performance measured at the tag antenna
Figure 73.
M24LR64-R synchronous timing, transmit and receive
CTUN
Internal tuning capacitor in
SO8(5)
f = 13.56 MHz
24.8
27.5
30.2
pF
VBACK
Backscattered level as defined
by ISO test
ISO10373-7
10
mV
VMIN
Minimum operating voltage
between AC0 and AC1(6)
Inventory and Read operations
1.9
2.3
Vpeak
Write operations
2.3
2.6
Vpeak
1.
TA = –40 to 85 °C.
2.
All timing measurements 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 2 conductors: 0.3 mm
Value of the tuning capacitor in SO8: 27.5 pF (M24LR64-R)
Value of the coil: 5 µH
Tuning frequency: 13.56 MHz.
3.
Characterized only, not 100% tested
4.
15% (or more) carrier modulation index offers a better signal/noise ratio and therefore a wider operating range with a better
noise immunity
5.
Characterised only, at room temperature only, measured at VAC0-AC1 = 0.5 V peak.
6.
Characterized only, at room temperature only.
Table 105. RF characteristics(1) (2) (continued)
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
Table 106. Operating conditions
Symbol
Parameter
Min.
Max.
Unit
TA
Ambient operating temperature
–40
85
°C
AI06680
AB
tRFF
tRFR
tRFSBL
tMAX
tMIN CD
fCC



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