STM32L432KB datasheet(63/149 Pages) STMICROELECTRONICS

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STM32L432KB STM3L432KC

Electrical characteristics

142

6.3.2

Operating conditions at power-up / power-down

The parameters given in Table 21 are derived from tests performed under the ambient

temperature condition summarized in Table 20.

6.3.3

Embedded reset and power control block characteristics

The parameters given in Table 22 are derived from tests performed under the ambient

temperature conditions summarized in Table 20: General operating conditions.

5. In low-power dissipation state, TA can be extended to this range as long as TJ does not exceed TJmax (see Section 7.2:

Thermal characteristics).

Table 21. Operating conditions at power-up / power-down

Symbol

Parameter

Conditions

Min

Max

Unit

tVDD

VDD rise time rate

∞

µs/V

VDD fall time rate

∞

tVDDA

VDDA rise time rate

∞

VDDA fall time rate

∞

tVDDUSB

VDDUSB rise time rate

∞

VDDUSB fall time rate

∞

Table 22. Embedded reset and power control block characteristics

Symbol

Parameter

Conditions(1)

Min

Typ

Max

Unit

tRSTTEMPO(2)

Reset temporization after

BOR0 is detected

VDD rising

250

400

μs

VBOR0(2)

Brown-out reset threshold 0

Rising edge

1.62

1.66

1.7

Falling edge

1.6

1.64

1.69

VBOR1

Brown-out reset threshold 1

Rising edge

2.06

2.1

2.14

Falling edge

1.96

2.04

VBOR2

Brown-out reset threshold 2

Rising edge

2.26

2.31

2.35

Falling edge

2.16

2.20

2.24

VBOR3

Brown-out reset threshold 3

Rising edge

2.56

2.61

2.66

Falling edge

2.47

2.52

2.57

VBOR4

Brown-out reset threshold 4

Rising edge

2.85

2.90

2.95

Falling edge

2.76

2.81

2.86

VPVD0

Programmable voltage

detector threshold 0

Rising edge

2.1

2.15

2.19

Falling edge

2.05

2.1

VPVD1

PVD threshold 1

Rising edge

2.26

2.31

2.36

Falling edge

2.15

2.20

2.25

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