GD32F310 datasheet(40/81 Pages) GIGADEVICE

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GD32F310xx Datasheet

Electrical characteristics

4.1

Absolute maximum ratings

The maximum ratings are the limits to which the device can be subjected without permanently

damaging the device. Note that the device is not guaranteed to operate properly at the

maximum ratings. Exposure to the absolute maximum rating conditions for extended periods

may affect device reliability.

Table 4-1. Absolute maximum ratings(1)(4)

Symbol

Parameter

Min

Max

Unit

VDD

External voltage range(2)

VSS - 0.3

VSS + 3.6

VDDA

External analog supply voltage

VSSA - 0.3

VSSA + 3.6

VBAT

External battery supply voltage

VSS - 0.3

VSS + 3.6

VIN

Input voltage on 5V tolerant pin(3)

VSS - 0.3

VDD + 3.6

Input voltage on other I/O

VSS - 0.3

3.6

|ΔVDDx|

Variations between different VDD power pins

—

|VSSX

−VSS|

Variations between different ground pins

—

IIO

Maximum current for GPIO pin

—

±25

Operating temperature range for grade 6 device

-40

+85

°C

Operating temperature range for grade 7 device

-40

+105

Power dissipation at TA = 85°C of LQFP48(5)

—

621

Power dissipation at TA = 85°C of LQFP32(5)

—

605

Power dissipation at TA = 85°C of QFN32(5)

—

825

Power dissipation at TA = 85°C of QFN28(5)

—

605

Power dissipation at TA = 85°C of TSSOP20(5)

—

553

Power dissipation at TA = 105°C of LQFP48(5)

—

311

Power dissipation at TA = 105°C of LQFP32(5)

—

303

Power dissipation at TA = 105°C of QFN28(5)

—

303

TSTG

Storage temperature range

-65

+150

°C

Maximum junction temperature

—

125

°C

(1)

Guaranteed by design, not tested in production.

(2)

All main power and ground pins should be connected to an external power source within the allowable range.

(3)

VIN maximum value cannot exceed 5.5 V.

(4)

It is recommended that VDD and VDDA are powered by the same source. The maximum difference between

VDD and VDDA does not exceed 300 mV during power-up and operation.

(5)

For grade 6 devices, the parameter of TA=85°C, For grade 7 devices, the parameter of TA=105°C.

4.2

Operating conditions characteristics

Table 4-2. DC operating conditions

Symbol

Parameter

Conditions

Min(1)

Typ Max(1) Unit

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