Datasheet

STM6502, STM6503, STM6504, STM6505 DC and AC parameters
Doc ID 16101 Rev 6 17/29
Table 6. DC and AC characteristics
Symbol Parameter Test conditions
(1)
Min. Typ.
(2)
Max. Unit
V
CC
Supply voltage range Reset output valid - active-low 1.0 5.5 V
I
CC
Supply current (inputs
in their inactive state,
t
REC
and t
SRC
counter
is inactive)
STM6502
V
CC
= 5.0 V 1.2 µA
V
CC
= 3.0 V
(3)
1.1 µA
STM6503
V
CC
= 5.0 V, TSR left open 4 5.8 µA
V
CC
= 3.0 V, TSR left open
(3)
3µA
STM6504
V
CC
= 5.0 V, TSR left open 4 5.8 µA
V
CC
= 3.0 V, TSR left open
(3)
3µA
STM6505
V
CC
= 5.0 V 2.3 3.3 µA
V
CC
= 3.0 V
(3)
2.2 µA
Output characteristics
V
OL
Reset output voltage low
(reset asserted: RST
, BLD)
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
≥ 1.0 V, sinking 0.1 mA 0.3 V
t
REC
Reset timeout delay,
factory-programmed
Option A 140 210 280 ms
Option B 240 360 480 ms
V
CC
monitoring reset thresholds
V
RST
Fixed voltage trip point for
V
CC
monitoring (refer to
Table 7)
–40 to +85 °C
V
RST
–2.5%
V
RST
V
RST
+2.5%
V
25 °C
V
RST
–2.0%
V
RST
V
RST
+2.0%
V
V
HYST
Hysteresis of V
RST
L, M 0.5%
T, S, R, Z, Y, W, V 1%
V
CC
to reset delay
V
CC
falling from
(V
RST
+ 100 mV) to (V
RST
- 100 mV) at
10 mV/µs
(4)
20 µs
V
BAT
monitoring
V
BATTH
Fixed V
BAT
monitoring
threshold
STM6505 only 1.225 1.25 1.275 V
V
BATHYST
V
BATTH
hysteresis STM6505 only 8 16 mV
I
LI(VBAT)
V
BAT
input leakage current STM6505 only –100 10 100 nA