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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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ST25DV64KC Scheda tecnica(PDF) 142 Page - STMicroelectronics |
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ST25DV64KC Scheda tecnica(HTML) 142 Page - STMicroelectronics |
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142 / 203 page  9.2 I2C DC and AC parameters This section summarizes the operating and measurement conditions, and the DC and AC characteristics of the device in I2C mode. The parameters in the DC and AC characteristic tables that follow are derived from tests performed under the measurement conditions summarized in the relevant tables. Designers should check that the operating conditions in their circuit match the measurement conditions when relying on the quoted parameters. Table 246. 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 °C SO8N, TSSOP8 -40 125 °C Table 247. 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 0.2VCC to 0.8VCC V Vref(t) Input and output timing reference levels 0.3VCC to 0.7VCC V Figure 80. AC test measurement I/O waveform 0.8VCC 0.2VCC 0.7VCC 0.3VCC Input and Output Timing Reference Levels Input Levels Table 248. Input parameters Symbol Parameter Min. Max. Unit CIN Input capacitance (SDA) - 8 pF CIN Input capacitance (other pins) - 6 pF tNS (1) Pulse width ignored (Input filter on SCL and SDA) - 80 ns 1. Evaluated By Characterization – Not tested in production. ST25DV04KC ST25DV16KC ST25DV64KC I2C DC and AC parameters DS13519 - Rev 3 page 142/203 |
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