STM32H7 datasheet(213/357 Pages) STMICROELECTRONICS

213 / 357 page

DS12110 Rev 10

213/357

STM32H742xI/G STM32H743xI/G

Electrical characteristics (rev V)

320

fCPU

Arm® Cortex®-M7 clock frequency

VOS3

200

MHz

VOS2

300

VOS1

400

VOS0

480(5)

fHCLK

AHB clock frequency

VOS3

100

VOS2

150

VOS1

200

VOS0

240(5)

fPCLK

APB clock frequency

VOS3

50(6)

VOS2

VOS1

100

VOS0

120(5)

Ambient temperature for the suffix 6

version

Maximum power dissipation

–40

°C

Low-power dissipation(7)

–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

125

°C

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

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

3. For operation with voltage higher than Min (VDD, VDDA, VDD33USB) +0.3V, the internal Pull-up and Pull-Down resistors must

be disabled.

4. VOS0 is available only when the LDO regulator is ON.

5. TJmax = 105 °C.

6. Maximum APB clock frequency when at least one peripheral is enabled.

7. In low-power dissipation state, TA can be extended to this range as long as TJ does not exceed TJmax (see Section 8.10:

Thermal characteristics).

Table 122. General operating conditions (continued)

Symbol

Parameter

Operating

conditions

Min

Typ

Max

Unit

Table 123. Supply voltage and maximum frequency configuration

Power scale

VCORE source

Max TJ (°C) Max frequency (MHz)

Min VDDLDO (V)

VOS0

LDO

105

480

1.7

VOS1

LDO

125

400

1.62

VOS2

LDO

125

300

1.62

VOS3

LDO

125

200

1.62

SVOS4

LDO

105

N/A

1.62

SVOS5

LDO

105

N/A

1.62

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