ST72325AR7-Auto datasheet(196/243 Pages) STMICROELECTRONICS

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ST72325xxx-Auto

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Doc ID 13770 Rev 3

19.4.2

Supply and clock managers

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

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

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

mode).

Table 113.

Oscillators, CSS, PLL and LVD current consumption

Symbol

Parameter

Conditions

Typ

Max

Unit

IDD(RCINT) Supply current of internal RC oscillator

625

µA

IDD(RES)

Supply current of resonator

oscillator(1)(2)

Data based on characterization results done with the external components specified in Section 19.5.3, not

tested in production

As the oscillator is based on a current source, the consumption does not depend on the voltage.

see section 19.5.3 on page

199

IDD(CSS) Clock security system supply current

VDD = 5V

250

IDD(PLL)

PLL supply current

360

IDD(LVD)

LVD supply current

150

300

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