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ST25DV64K Scheda tecnica(PDF) 137 Page - STMicroelectronics

Il numero della parte ST25DV64K
Spiegazioni elettronici  Dynamic NFC/RFID tag IC with 4-, 16-, or 64-Kbit EEPROM, and fast transfer mode capability
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
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ST25DV64K Scheda tecnica(HTML) 137 Page - STMicroelectronics

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9.2
I2C parameters
This section summarizes the operating and measurement conditions, and the DC and AC characteristics of
the device in I2C mode. The parameters are derived from tests performed under the measurement conditions
summarized in the relevant tables. Check that the operating conditions in the circuit match the measurement
conditions when relying on the quoted parameters.
Table 243. I2C operating conditions
Symbol
Parameter
Min.
Max.
Unit
VCC
Supply voltage
1.8
5.5
V
TA
Ambient operating temperature
Range 6
All packages
-40
85
°C
Range 8
UFDFPN8, UFDFPN12
-40
105
SO8N, TSSOP8
-40
125
Table 244. AC test measurement conditions
Symbol
Parameter
Min.
Max.
Unit
CL
Load capacitance
100
pF
tr, tf
Input rise and fall times
-
50
ns
Vhi-lo
Input levels
0.2 VCC to 0.8 VCC
V
Vref(t)
Input and output timing reference levels
0.3 VCC to 0.7 VCC
Figure 74. AC test measurement I/O waveform
0.8VCC
0.2VCC
0.7VCC
0.3VCC
Input and Output
Timing Reference Levels
Input Levels
Table 245. Input parameters
Symbol
Parameter
Min.
Max.
Unit
CIN
Input capacitance (SDA)
-
8
pF
CIN
Input capacitance (other pins)
-
6
tNS (1)
Pulse width ignored (input filter on SCL and SDA)
-
80
ns
1. Evaluated by characterization, not tested in production.
Table 246. I2C DC characteristics (up to 85 °C)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
ILI
Input leakage current (SCL,
SDA)
VIN = VSS or VCC
device in Standby mode
-
0.03
± 0.1
μA
ILI
Input leakage current (LPD)
VIN = VSS
device in Standby mode
-
0.1
± 0.5
ST25DV04K ST25DV16K ST25DV64K
I2C parameters
DS10925 - Rev 11
page 137/197



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