Datasheet

STM6904 DC and AC parameters
Doc ID 14289 Rev 3 13/20
V
RST2
(4)
V
TH2
V2IN reset threshold
Z (falling)
25 °C 2.310 2.333 2.356
V
-40 to 85 °C 2.291 2.375
Y (falling)
25 °C 2.166 2.188 2.210
V
-40 to 85 °C 2.149 2.227
W (falling)
25 °C 1.666 1.683 1.700
V
-40 to 85 °C 1.653 1.713
G (falling)
25 °C 1.099 1.110 1.121
V
-40 to 85 °C 1.090 1.130
F (falling)
25 °C 1.040 1.050 1.061
V
-40 to 85 °C 1.031 1.069
V
HYST
Reset threshold
hysteresis
Referenced to V
RST1
/V
RST2
typical
0.5 %
t
RD
V
CC
to RST delay
V
CC
= (V
RST1
+ 100 mV) to
(V
RST1
– 100 mV)
20 µs
V2IN = (V
RST2
+ 75 mV) to
(V
RST2
– 75 mV)
20 µs
t
REC
(5)
t
RP
RST timeout period
TR
SEL
= LOW (V
SS
) 140 210 280 ms
TR
SEL
= HIGH (V
CC
) 280 420 560 ms
Adjustable reset comparator input (V3IN and V4IN)
V
RSTIN
V3IN, V4IN input
threshold
589 600 611 mV
I3IN,
I4IN
V3IN, V4IN input current V3IN, V4IN > 0.8 V -25 +25 nA
V3IN, V4IN hysteresis 3 mV
t
RSTIND
V3IN, V4IN to RST output
delay
V
RSTIN
to (V
RSTIN
– 30 mV) 22 µs
Manual (push-button) reset input
V
IL
MR input voltage
0.3 x V
CC
V
V
IH
0.7 x V
CC
V
t
MLMH
t
MR
MR minimum pulse width 1 µs
t
MLRL
t
MRD
MR to RST output delay 200 ns
Table 4. DC and AC characteristics (continued)
Sym-
bol
Alter-
native
Description Test condition
(1)
Min. Typ. Max. Unit