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ST16C32245TBR Datenblatt(PDF) 10 Page - STMicroelectronics |
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ST16C32245TBR Datenblatt(HTML) 10 Page - STMicroelectronics |
10 / 20 page ST16C32245 10/20 Table 12: AC I2C Electrical Characteristics (*) VCC range = 3.3±0.3; 2.5±0.2V and 2.8±0.1V; 1.8±0.15V Table 13: Capacitance Characteristics 1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/14 (per circuit) Symbol Parameter Test Condition Value Unit VCCB (V)(*) VCCA (V)(*) -40 to 85 °C Min. Max. trI/O Rise Time I2C Input/Output Voltage (20% to 80%) (See fig. 3) 1.8 ± 0.15 2.5 ± 0.2 CL = 15 pF trI/O = 15ns 250 ns 1.8 ± 0.15 3.3 ± 0.3 2.5 ± 0.2 3.3 ± 0.3 tfI/O Fall Time I2C Input/Output Voltage (80% to 20%) (See fig. 3) 1.8 ± 0.15 2.5 ± 0.2 CL = 15 pF trI/O = 15ns 250 ns 1.8 ± 0.15 3.3 ± 0.3 2.5 ± 0.2 3.3 ± 0.3 tPLH Propagation Delay Time I2C I/O Voltage (20% to 80%) (Low to High) (fig. 3) 1.8 ± 0.15 2.5 ± 0.2 CL = 15 pF trI/O = 15ns 100 ns 1.8 ± 0.15 3.3 ± 0.3 2.5 ± 0.2 3.3 ± 0.3 tPHL Propagation Delay Time I2C I/O Voltage (20% to 80%) High to Low) (fig. 3) 1.8 ± 0.15 2.5 ± 0.2 CL = 15 pF trI/O = 15ns 100 ns 1.8 ± 0.15 3.3 ± 0.3 2.5 ± 0.2 3.3 ± 0.3 fI/OVA, fI/OVB I2C lines data rate 1.8 ± 0.15 2.5 ± 0.2 CL = 15 pF trI/O = 15ns 400 KHz 1.8 ± 0.15 3.3 ± 0.3 2.5 ± 0.2 3.3 ± 0.3 Symbol Parameter Test Condition Value Unit VCCB (V) VCCA (V) TA = 25 °C -40 to 85 °C Min. Typ. Max. Min. Max. CINB Input Capacitance open open 5 pF CI/O Input/Output Capacitance 2.5 3.3 6 pF CPD Power Dissipation Capacitance 2.5 3.3 f=10MHz 28 pF 1.8 3.3 28 pF |
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