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

DC and AC parameters

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.