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ST25R3916 Datasheet(PDF) 145 Page - STMicroelectronics |
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ST25R3916 Datasheet(HTML) 145 Page - STMicroelectronics |
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145 / 157 page  DS12484 Rev 4 145/157 ST25R3916/7 Electrical characteristics 156 5.6 I2C interface characteristics Timing according to I2C protocol. Drivers for up to 3.4 MHz operation. Transition from 100 kHz / 400 kHz / 1 MHz mode to 3.4 MHz mode (High speed mode) is done via Master code 00001XXX, as described in the I2C specification. Table 126. AC measurement conditions Symbol Parameter Min Max Unit CBUS Load capacitance 100 pF - SCL input rise/fall time, SDA input fall time - 50 ns Table 127. AC measurement conditions - I2C configuration Mode Rate Setting S 100 kHz i2c_thd = 00b, io_drv_lvl = 1b F 400 kHz i2c_thd = 01b, io_drvl_lvl = 1b F+ 1000 kHz i2c_thd = 11b, Io_drv_lvl = 1b HS 3400 kHz i2c_thd = 11b, io_drv_lvl = 1b Table 128. Input parameters(1) 1. Evaluated by characterization, not tested in production. Symbol Parameter Conditions Min Max Unit CIN Input capacitance (SDA) - - 15 pF Input capacitance (SCL) - - 15 Table 129. DC characteristics(1) 1. Evaluated by characterization, not tested in production. Symbol Parameter Conditions (in addition to those in Table 126 and Table 127) Min Max Unit ILI Input leakage current (SCL, SDA) VIN = VSS or VCC, device in Standby mode -± 10 µA ILO Output leakage current SDA in Hi-Z, external voltage applied on SDA: VSS or VCC -± 10 VIL Input low voltage (SCL, SDA) - -0.4 0.2 VDD_IO V VIH Input high voltage (SCL, SDA) - 0.8 VDD_IO VDD_IO + 0.4 VOL Output low voltage VDD_IO = 1.65 V, IOL = 1.0 mA - 0.1 VDD_IO VDD_IO = 2.4 V, IOL = 2.1 mA - 0.1 VDD_IO VDD_IO = 3.3 V, IOL = 8 mA - 0.1 VDD_IO VDD_IO = 5.5 V, IOL = 8 mA - 0.1 VDD_IO |
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