ST7DALIF2 datasheet(135/171 Pages) STMICROELECTRONICS

No. de pieza	ST7DALIF2

Descripción Electrónicos	Configurable watchdog timer

PDF	171 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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ST7DALIF2

Electrical characteristics

135/171

TA = -40 to 85°C, unless otherwise specified

20.4

Supply current characteristics

The following current consumption specified for the ST7 functional operating modes over

temperature range does not take into account the clock source current consumption. To get

the total device consumption, the two current values must be added (except for Halt mode

for which the clock is stopped).

Figure 61.

PLLx4 Output vs CLKIN frequency

(fOSC = fCLKIN/2*PLL4)

Figure 62.

PLLx8 Output vs CLKIN frequency

(fOSC = fCLKIN/2*PLL8)

1.00

2.00

3.00

4.00

5.00

6.00

7.00

1.5

2.5

External Input Clock Frequency (MHz)

3.3

2.7

1.00

3.00

5.00

7.00

9.00

11.00

0.85

0.9

1.5

2.5

External Input Clock Frequency (MHz)

5.5

4.5

Table 71.

32 MHz PLL

Symbol

Parameter

Min

Typ

Max

Unit

VDD

Voltage (1)

32 MHz is guaranteed within this voltage range.

4.5

5.5

fPLL32

Frequency 1)

MHz

fINPUT

Input Frequency

MHz

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