STM1810/1811/1812/1813/1815/1816/1817/1818

DC and AC parameters

Doc ID11464 Rev 8

19/25

Table 9.

DC and AC characteristics

Sym.

Alter-

native

Description

Min.

Typ. Max. Unit

Operating voltage

1.0

5.5

V

1.2

5.5

V

4

10

µA

9

16

µA

Input high voltage

STM1813/1818 only

0.7

V

Input low voltage

STM1813/1818 only

0.4

V

Output high voltage

– 0.5

– 0.1

V

RST output source current

(STM1810/STM1815)

350

µA

RST output source current

(STM1812/STM1817)

350

µA

RST output sink current

(STM1810/1811/1813/1815/1816/1818)

10

mA

RST output sink current

10

mA

10

pF

Reset thresholds

Reset threshold

STM181xL

25 °C

4.62

V

–40 to 105 °C

4.50

4.75

V

STM181xM

25 °C

4.37

V

–40 to 105 °C

4.25

4.49

V

STM181xT

25 °C

3.06

V

–40 to 105 °C

2.98

3.15

V

STM181xS

25 °C

2.88

V

–40 to 105 °C

2.80

2.97

V

STM181xR

25 °C

2.55

V

–40 to 105 °C

2.47

2.64

V

25

µs

RST pulse width

100

150

200

ms

Push-button reset detect (STM1813, STM1818)

Push-button detect to RST

STM1813/1818

1.5

µs

Push-button RST time-out

From rising edge

100

150

200

ms

Internal pull-up resistance

STM1811/1816

3.5

5.5

7.5

k

Ω

STM1813/1818

3.1

5.5

7.5

k

Ω

1.

2.

The STM1811/1813/1816/1818 have an internal pull-up resistor which may sink 1 mA of current.