Datasheet

DC and AC parameters STM6905
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6 DC and AC parameters
This section summarizes the operating measurement conditions and the DC and AC
characteristics of the device. Designers should check that the operating conditions in their
circuit match the operating conditions when relying on the quoted parameters.
Table 4. DC and AC characteristics
Sym
Alter-
native
Description Test condition
(1)
Min Typ Max Unit
V
CC
Operating voltage 0.8 5.5 V
I
CC
V
CC
supply current
V
CC
< 5.5 V 12 16
µA
V
CC
= 3.3 V 11 15
I2IN V2IN supply curent V2IN = 3.3 V 3 5 µA
I
LI
Input leakage current -
(MR
)
(2)
V
IN
= V
CC
or V
SS
-0.5 +0.5 µA
I
LO
(3)
Open drain RST output
leakage current
V
CC
> VRST;
RST
not asserted
-0.5 +0.5 µA
V
OL
Output low voltage
(RST
; open drain)
V
CC
≥ 0.8V, I
SINK
= 1 µA 0.3 V
V
CC
≥ 1.0V, I
SINK
= 50 µA 0.3 V
V
CC
≥ 1.2V, I
SINK
= 100 µA 0.3 V
V
CC
≥ 2.7V, I
SINK
= 1.2 mA 0.3 V
V
CC
≥ 4.5V, I
SINK
= 3.2 mA 0.4 V
V
RST1
(4)
V
TH1
V
CC
reset threshold
T (falling)
25°C 3.047 3.078 3.109 V
-40°C to 85°C 3.023 3.133
S (falling)
25°C 2.925 2.955 2.985 V
-40°C to 85°C 2.902 3.008
P (falling)
25°C 2.837 2.866 2.895 V
-40°C to 85°C 2.814 2.918
V
RST2
(4)
V
TH2
V2IN reset threshold
Z (falling)
25°C 2.310 2.333 2.356 V
-40°C to 85°C 2.291 2.375
Y (falling)
25°C 2.166 2.188 2.210 V
-40°C to 85°C 2.149 2.227
W (falling)
25°C 1.666 1.683 1.700 V
-40°C to 85°C 1.653 1.713
G (falling)
25°C 1.099 1.110 1.121 V
-40°C to 85°C 1.090 1.130
F (falling)
25°C 1.040 1.050 1.061 V
-40°C to 85°C 1.031 1.069