ST7SCR
EMC CHARACTERISTICS (Cont’d)
Multisupply Configuration
When several types of ground (VSS, VSSA, ...) and
power supply (VDD, VDDA, ...) are available for any
reason (better noise immunity...), the structure
Figure 44. Multisupply Configuration
VDD
shown in Figure 44 is implemented to protect the
device against ESD.
VDDA
VDDA
VSS
VSSA
BACK TO BACK DIODE
BETWEEN GROUNDS
VSSA
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