Patent attributes
A solid-state imaging device for enlarging an operating margin of a pixel portion and achieving complete transfer of a signal charge by using a plurality of power supply voltages, wherein a plurality of power supplies having different power supply voltage values are supplied to portions of a semiconductor chip 1. For example, as a first power supply system, a first digital power supply voltage (DVDD1) is supplied from a power supply terminal 45, a first digital ground voltage (DVSS1) is supplied from a power supply terminal 46, a second digital power supply voltage (DVDD2) is supplied from a power supply terminal 47, a second digital ground voltage (DVSS2) is supplied from a power supply terminal 48, a third digital power supply (DVDD3) is supplied from a power supply terminal 49, and a third digital ground voltage (DVSS3) is supplied from a power supply terminal 50, and as a second power supply system, a first analog power supply voltage (AVDD1) is supplied from a power supply terminal 40, a first analog ground voltage (AVSS1) is supplied from a power supply terminal 41, a second analog power supply voltage (AVDD2) is supplied from a power supply terminal 42, and a second analog ground voltage (AVSS2) is supplied from a power supply terminal 43.
