STM809 datasheet(12/18 Pages) STMICROELECTRONICS

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STM809/810/811/812

12/18

Table 5. DC and AC Characteristics

Note: 1. Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 1.2V to 5.5V (except where noted).

2. For Active High (RST); VCC = VRST (max)

3. RST output for STM810/812

4. “Glitches” of 100ns or less typically will not generate a RESET pulse.

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 < 3.6V

5.5

µA

VCC < 5.5V

715

µA

VIH

MR Input High Voltage

VCC > VRST (max), STM8XXL/M

2.2

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

0.7VCC

VIL

MR Input Low Voltage

VCC > VRST (max), STM8XXL/M

0.8

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

0.25VCC

VOL

RST Output Low Voltage

(Active High(2) or Low)

STM8XXR/S/T only, IOL = 1.2mA

VCC = VRST (min)

0.3

STM8XXL/M only, IOL = 3.2mA

VCC = VRST (min)

0.4

VOL

RST Output Low Voltage

IOL = 50µA; VCC > 1.0V

0.3

VOH

RST Output High Voltage

STM8XXR/S/T only, IOH = 500µA

0.8VCC

STM8XXL/M only, IOH = 800µA

0.8VCC

RST Output High Voltage

IOH = 150µA,

1.8V < VCC < VRST (min)

0.8VCC

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 = 3.3V

ppm/

VCC to RST Delay

VCC = VRST

to (VRST –

100mV)

STM8XXL/M

µs

STM8XXR/S/T

µs

Push-Button RESET Input

tMLMH

tMR

MR Pulse Width

µs

tMLRL

tMRD

MR to RST Output Delay(3)

0.5

µs

MR Glitch Immunity(4)

100

MR Pull-up Resistance

Ω

trec

RST Pulse Width

140

210

280

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