STM632X Datasheet, PDF (21/31 Pages) STMicroelectronics – 5-pin supervisor with watchdog timer and push-button reset

STM632x, STM682x
DC and AC parameters
Table 6. DC and AC characteristics
Sym- Alter-
bol native
Description
Test condition⁽¹⁾
V_CC
Operating voltage
V_CC supply current
T/S/R/Z/Y (V_CC < 3.6 V)
(MR and WDI unconnected)
L/M (V_CC < 5.5 V)
I_CC
V_CC supply current
T/S/R/Z/Y (V_CC < 3.6 V)
(MR unconnected;
STM6322/6825)
L/M (V_CC < 5.5 V)
Input leakage current
0 V = V_IN = V_CC
I_LI
Input leakage current
WDI = V_CC, time average
(WDI)⁽³⁾
WDI = GND, time average
I_LO
Open drain reset output
leakage current
V_CC > V_RST,
Reset not asserted
V_IH
Input high voltage (MR)
V_RST > 4.0 V
V_RST < 4.0 V
V_IH
Input high voltage (WDI)⁽⁴⁾
V_RST (max.) < V_CC < 5.5 V
V_IL
Input low voltage (MR)
V_RST > 4.0 V
V_RST < 4.0 V
V_IL
Input low voltage (WDI)⁽⁴⁾
V_RST (max.) < V_CC < 5.5 V
V_CC ≥ 1.0 V, I_SINK = 50 µA,
Reset asserted
V_CC ≥ 1.2 V, I_SINK = 100 µA,
Output low voltage (RST;
Reset asserted
push-pull or open drain)
V_CC ≥ 2.7 V, I_SINK = 1.2 mA,
Reset asserted
V_OL
V_CC ≥ 4.5 V, I_SINK = 3.2 mA,
Reset asserted
Output low voltage (RST;
push-pull only)
V_CC ≥ 2.7 V, I_SINK = 1.2 mA,
Reset not asserted
V_CC ≥ 4.5 V, I_SINK = 3.2 mA,
Reset not asserted
Min. Typ. Max. Unit
1.2 ⁽²⁾
4
6
3
5.5
V
12
µA
17
µA
8
µA
3
12
µA
–1
+1 µA
120 160 µA
–20 –15
µA
–1
+1 µA
2.0
0.7 V_CC
0.7 V_CC
V
V
V
0.8
V
0.3 V_CC V
0.3 V_CC V
0.3
V
0.3
V
0.3
V
0.4
V
0.3
V
0.4
V
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