DC and AC parameters SR1
14/21 DocID026048 Rev 2
Table 4. DC and AC characteristics
Symbol Parameter Test conditions
(1)
Min. Typ.
(2)
Max. Unit
V
CC
Supply voltage 2.0 5.5 V
I
CC
Supply current
SR
= V
CC
, t
REC
and t
SRC
counter is not running
0.4 1.0 µA
V
OL
Reset output voltage low
V
CC
4.5 V, sinking 3.2 mA 0.3 V
V
CC
3.3 V, sinking 2.5 mA 0.3 V
V
CC
2.0 V, sinking 1 mA 0.3 V
t
REC
Reset timeout delay,
factory-programmed
(device option)
140 210 280 ms
240 360 480 ms
R
PUO
Internal output pull-up
resistor on RST
(device option) 65 k
I
LO
Output leakage current
V
RST
= 5.5 V, open drain
device option without output
pull-up resistor
-0.1 0.1 µA
Smart Reset
t
SRC
Smart Reset delay
T
A
= -40 to +85 °C 0.8 x t
SRC
t
SRC
(3)
1.2 x t
SRC
s
T
A
= 25 °C 0.9 x t
SRC
1.1 x t
SRC
V
IL
SR input voltage low V
SS
-0.3 0.3 V
V
IH
SR input voltage high 0.85 5.5 V
R
PUI
Internal input pull-up
resistor on SR
(device option) 65 k
I
LEAK
SR input leakage current
device option without input
pull-up resistor
-0.1 0.1 µA
Input glitch immunity t
SRC
s
Test mode
V
TEST
Test mode entry voltage V
CC
+0.9 V
CC
+1.1 V
CC
+1.4 V
t
SRC-INI
Initial test mode time 28 42 56 ms
t
SRC-SHORT
Shortened Smart Reset
delay
t
SRC
/ 128 ms
1. Valid for ambient operating temperature T
A
= -40 to +85 °C, V
CC
= 2.0 to 5.5 V.
2. Typical values are at 25 °C and V
CC
= 3.3 V unless otherwise noted.
3. Factory-programmable in the range of 0.5 s to 10 s typ. in 0.5 s steps.
