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ST16C32245 数据表(PDF) 4 Page - STMicroelectronics |
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ST16C32245 数据表(HTML) 4 Page - STMicroelectronics |
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4 / 20 page ![]() ST16C32245 4/20 Table 4: I2C Bus Function Table Open: If I/OVA is not driven then the I/OVB will go in high level VCCB by embedded 10kΩ pull-up resistor; If I/OVB is not driven then the I/OVA will go in high level VCCB by embedded 10kΩ pull-up resistor. Table 5: Absolute Maximum Ratings Absolute Maximum Ratings are those value beyond which damage to the device may occur. Functional operation under these conditions is not implied 2G 1G, 1DIR, 2DIR I/O INPUT FUNCTION I/OVA I/OVB HX Z Z I2C Disabled LXL L I2C Comm. LX VCCA VCCB I2C Comm. L X Open VCCB I2C Comm. LX VCCA Open I2C Comm. Symbol Parameter Value Unit VCCA Supply Voltage -0.5 to +4.6 V VCCB Supply Voltage -0.5 to +4.6 V VI DC Input Voltage -0.5 to +4.6 V VI/OA DC I/O Voltage (Output disabled) -0.5 to +4.6 V VI/OB DC I/O Voltage (Output disabled) -0.5 to +4.6 V VI/OA DC I/O Voltage -0.5 to VCCA + 0.5 V VI/OB DC I/O Voltage -0.5 to VCCB + 0.5 V VI/OVA Level Input Voltage (I/OVA) -0.5 to VCCA + 0.5 V VI/OVB Level Input Voltage (I/OVB) -0.5 to VCCB + 0.5 V IIK DC Input Diode Current − 20 mA IOK DC Output Diode Current − 50 mA IOA DC Output Current ± 50 mA IOB DC Output Current ± 50 mA ICCA DC VCC or Ground Current ± 100 mA ICCB DC VCC or Ground Current ± 100 mA Pd Power Dissipation 400 mW Tstg Storage Temperature -65 to +150 °C TL Lead Temperature (10 sec) 260 °C |
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