STM32G474CB datasheet(85/236 Pages) STMICROELECTRONICS

85 / 236 page

DS12288 Rev 4

85/236

STM32G474xB STM32G474xC STM32G474xE

Electrical characteristics

201

5.3

Operating conditions

5.3.1

General operating conditions

Table 17. General operating conditions

Symbol

Parameter

Conditions

Min

Max

Unit

fHCLK

Internal AHB clock frequency

170

MHz

fPCLK1

Internal APB1 clock frequency

170

fPCLK2

Internal APB2 clock frequency

170

VDD

Standard operating voltage

1.71(1)

3.6

VDDA

Analog supply voltage

ADC

1.62

3.6

DAC 1 MSPS or DAC 15 MSPS

or OPAMP

1.8

COMP used

1.8

3.6

VREFBUF used

2.4

3.6

ADC, DAC, OPAMP, COMP,

VREFBUF not used

VBAT

Backup operating voltage

1.55

3.6

VIN

I/O input voltage

TT_xx

-0.3

VDD+0.3

FT_c

-0.3

All I/O except TT_xx and FT_c

-0.3

MIN(MIN(VDD,

VDDA)+3.6 V,

5.5 V)(2)(3)

Power dissipation

See Section 6.10: Thermal characteristics for application

appropriate thermal resistance and package.

Power dissipation is then calculated according ambient

temperature (TA) and maximum junction temperature (TJ) and

selected thermal resistance.

Power dissipation

See Section 6.10: Thermal characteristics for application

appropriate thermal resistance and package. Power dissipation

is then calculated according to ambient temperature (TA),

maximum junction temperature (TJ) and selected thermal

resistance.

Ambient temperature for the

suffix 6 version

Maximum power dissipation

-40

°C

Low-power dissipation(4)

-40

105

Ambient temperature for the

suffix 3 version

Maximum power dissipation

-40

125

Low-power dissipation(4)

-40

130

Junction temperature range

Suffix 6 version

-40

105

°C

Suffix 3 version

-40

130

1. When RESET is released functionality is guaranteed down to VBOR0 Min.

2. This formula has to be applied only on the power supplies related to the IO structure described by the pin definition table.

Maximum I/O input voltage is the smallest value between MIN(VDD, VDDA)+3.6 V and 5.5V.

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