STM32F303RD Datasheet, PDF (127/184 Pages) STMicroelectronics – Reset and supply management

STM32F303xD STM32F303xE
Electrical characteristics
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 36 and Figure 37 for standard I/Os.
Figure 36. TC and TTa I/O input characteristics - CMOS port
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Figure 37. TC and TTa I/O input characteristics - TTL port
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Figure 38. Five volt tolerant (FT and FTf) I/O input characteristics - CMOS port
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