STM809 datasheet(14/21 Pages) STMICROELECTRONICS

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DC and AC parameters

STM809/810/811/812

14/21

Doc ID 9873 Rev 5

Table 5.

DC and AC characteristics

Sym

Alter-

native

Description

Test condition(1)

Min

Typ

Max

Unit

VCC

Operating voltage

TA = –40 to +85 °C

1.2

5.5

TA = 0 to +70 °C

1.0

5.5

ICC

VCC supply current

VCC < 3.6 V

5.5

µA

VCC < 5.5 V

µA

VIH

MR input high voltage

VCC > VRST (max), STM8XXL/M

2.2

VCC > VRST (max), STM8XXR/S/T 0.7 VCC

VIL

MR input low voltage

VCC > VRST (max), STM8XXL/M

0.8

VCC > VRST (max), STM8XXR/S/T

0.25 VCC

VOL

RST output low voltage

(active high(2) or low)

STM8XXR/S/T only,

IOL = 1.2 mA

VCC = VRST (min)

0.3

STM8XXL/M only,

IOL = 3.2 mA

VCC = VRST (min)

0.4

VOL

RST output low voltage

IOL = 50 µA; VCC > 1.0 V

0.3

VOH

RST output high voltage

STM8XXR/S/T only,

IOH = 500 µA

0.8 VCC

STM8XXL/M only,

IOH = 800 µA

0.8 VCC

RST output high voltage

IOH = 150 µA,

1.8 V < VCC < VRST (min)

0.8 VCC

Reset thresholds

VRST

Reset threshold

STM8XXL

25 °C

4.56

4.63

4.70

–40 to 85 °C

4.50

4.75

STM8XXM

25 °C

4.31

4.38

4.45

–40 to 85 °C

4.25

4.50

STM8XXT

25 °C

3.04

3.08

3.11

–40 to 85 °C

3.00

3.15

STM8XXS

25 °C

2.89

2.93

2.96

–40 to 85 °C

2.85

3.00

STM8XXR

25 °C

2.59

2.63

2.66

–40 to 85 °C

2.55

2.70

VRST temperature

coefficient

VCC = 3.3 V

ppm/

°C

VCC to RST delay

VCC = VRST to

(VRST – 100 mV)

STM8XXL/M

µs

STM8XXR/S/T

µs

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