STM32L053C6 datasheet(55/132 Pages) STMICROELECTRONICS

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STM32L053x6 STM32L053x8

Electrical characteristics

112

6.3

Operating conditions

6.3.1

General operating conditions

Table 24. General operating conditions

Symbol

Parameter

Conditions

Min

Max

Unit

fHCLK

Internal AHB clock frequency

MHz

fPCLK1 Internal APB1 clock frequency

fPCLK2 Internal APB2 clock frequency

VDD

Standard operating voltage

BOR detector disabled

1.65

3.6

BOR detector enabled, at

power-on

1.8

3.6

BOR detector disabled, after

power-on

1.65

3.6

VDDA

Analog operating voltage (DAC not used)

Must be the same voltage as

VDD(1)

1.65

3.6

VDDA

Analog operating voltage (all features)

Must be the same voltage as

VDD(1)

1.8

3.6

VDD_US

Standard operating voltage, USB

domain(2)

USB peripheral used

3.0

3.6

USB peripheral not used

1.65

3.6

VIN

Input voltage on FT, FTf and RST pins(3)

2.0 V

≤VDD ≤3.6 V

-0.3

5.5

1.65 V

≤VDD ≤2.0 V

-0.3

5.2

Input voltage on BOOT0 pin

5.5

Input voltage on TC pin

-0.3

VDD+0.3

Power dissipation at TA = 85 °C (range 6)

or TA =105 °C (rage 7) (4)

TFBGA64 package

327

LQFP64 package

444

LQFP48 package

363

Power dissipation at TA = 125 °C (range

3)(4)

TFBGA64 package

LQFP64 package

111

LQFP48 package

Temperature range

Maximum power dissipation

(range 6)

–40

°C

Maximum power dissipation

(range 7)

–40

105

Maximum power dissipation

(range 3)

–40

125

Junction temperature range (range 6)

-40 °C

≤TA ≤85 °

–40

105

Junction temperature range (range 7)

-40 °C

≤TA ≤105 °C

–40

125

Junction temperature range (range 3)

-40 °C

≤TA ≤125 °C

–40

130

1. It is recommended to power VDD and VDDA from the same source. A maximum difference of 300 mV between VDD and

VDDA can be tolerated during power-up and normal operation.

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