STNRGPF01 datasheet(32/40 Pages) STMICROELECTRONICS

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Electrical characteristics

STNRGPF01

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DocID030377 Rev 2

5.3.7

Reset pin characteristics

Subject to general operating conditions for VDD and TA unless otherwise specified.

5.4

Analog input characteristics

5.4.1

Measurement section

Subject to general operating conditions for VDDA and TA unless otherwise specified.

It applies to the [MI] class.

Table 13. NRST pin characteristics

Symbol

Parameter

Conditions

Min.(1)

1. Data based on characterization results, not tested in production

Typ.

Max.(1)

Unit

VIL(NRST) NRST input low level voltage(1)

-0.3

0.3 x VDD

VIH(NRST) NRST input high level voltage(1)

0.7 x VDD

-VDD + 0.3

VOL(NRST) NRST output low level voltage(1)

IOL = 2 mA

0.5

RPU(NRST) NRST pull-up resistor(2)

2. The RPU pull-up equivalent resistor is based on a resistive transistor.

-30



tIFP(NRST) NRST input filtered pulse(3)

3. Data guaranteed by design, not tested in production.

tINFP(NRST) NRST not input filtered pulse(3)

-500

tOP(NRST) NRST output filtered pulse(3)

-15

µs

Table 14. Measurement pin characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

RIN

Input impedance

VIN

Measurement range

1.25(1)

1. Maximum input analog voltage cannot exceed VDDA.

Vref

Measure reference voltage(2)

2. Reference voltage at TA = 25 °C.

1.25

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