STM6905

DC and AC parameters

13/19

Reset threshold

hysteresis

typical

0.5

%

20

µs

20

µs

RST time-out period

20

30

40

ms

Option C(5)

80

120

180

ms

Option E

140

210

280

ms

Option F(5)

280

420

560

ms

Adjustable reset comparator input (V3IN, V4IN, V5IN)

V3IN, V4IN, V5IN input

threshold

589

600

611

mV

V3IN, V4IN, V5IN input

current

V3IN, V4IN, V5IN > 0.8 V

–25

+25

nA

V3IN, V4IN, V5IN

hysteresis

3mV

V3IN, V4IN, V5IN to

RST output delay

VRSTIN to (VRSTIN – 30 mV)

22

µs

Manual (push-button) reset input

MR input voltage

V

V

MR minimum pulse

width

1µs

MR to RST output delay

200

ns

MR glitch immunity

100

ns

MR pull-up resistance

10

k

Ω

1.

2.

10k ohm (typ) internal pull-up resistor.

3.

The leakage current measured on the RST pin is tested with the reset de-asserted (output high impedance).

4.

Other reset threshold voltages are offered. Minimum order quantities may apply. Contact local sales office for availability.

5.

Table 4.

DC and AC characteristics (continued)

Sym

Alter-

native

Description

Min

Typ

Max

Unit