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STM32F072CB Datasheet(PDF) 79 Page - STMicroelectronics |
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STM32F072CB Datasheet(HTML) 79 Page - STMicroelectronics |
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79 / 128 page  DS9826 Rev 6 79/128 STM32F072x8 STM32F072xB Electrical characteristics 99 All I/Os are CMOS- and TTL-compliant (no software configuration required). Their characteristics cover more than the strict CMOS-technology or TTL parameters. The coverage of these requirements is shown in Figure 22 for standard I/Os, and in Figure 23 for 5 V-tolerant I/Os. The following curves are design simulation results, not tested in production. Ilkg Input leakage current(2) TC, FT and FTf I/O TTa in digital mode VSS ≤ VIN ≤ VDDIOx -- ± 0.1 µA TTa in digital mode VDDIOx ≤ VIN ≤ VDDA -- 1 TTa in analog mode VSS ≤ VIN ≤ VDDA -- ± 0.2 FT and FTf I/O VDDIOx ≤ VIN ≤ 5 V -- 10 RPU Weak pull-up equivalent resistor (3) VIN = VSS 25 40 55 kΩ RPD Weak pull-down equivalent resistor(3) VIN = - VDDIOx 25 40 55 kΩ CIO I/O pin capacitance - - 5 - pF 1. Data based on design simulation only. Not tested in production. 2. The leakage could be higher than the maximum value, if negative current is injected on adjacent pins. Refer to Table 52: I/O current injection susceptibility. 3. Pull-up and pull-down resistors are designed with a true resistance in series with a switchable PMOS/NMOS. This PMOS/NMOS contribution to the series resistance is minimal (~10% order). Table 53. I/O static characteristics (continued) Symbol Parameter Conditions Min Typ Max Unit |
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