STM1403 STMicroelectronics, STM1403 Datasheet - Page 27

• Manufacturer Part Number: STM1403
• Description: 3 V FIPS-140 security supervisor with battery switchover
• Manufacturer: STMicroelectronics

STM1403
Table 6.
1. Valid for ambient operating temperature: T
2. V
3. Tested at V
4. Guaranteed by design.
5. The leakage current measured on the RST, SAL, PFO, and BLD pins are tested with the output not asserted (output high
6. When V
7. When V
8. Maximum external capacitive load on V
9. The reset threshold tolerance is wider for V
Reset thresholds
V
t
Push-button reset input
t
t
rec
MLMH
MLRL
Sym
RST
noted); typical values are for 3.3 V and 25 °C.
V
pin.
impedance).
internal oscillation.
CC
BAT
(9)
supply current, logic input leakage, push-button reset functionality, PFI functionality, state of RST tested at
= 3.6 V, and V
native
Alter-
BAT
SW
t
t
MRD
MR
BAT
> V
DC and AC characteristics (continued)
> V
CC
= 3.6 V, V
CC
Reset threshold
RST pulse width
MR pulse width
MR to RST output delay
> V
> V
CC
BAT
SW
= 3.6 V. The state of RST and PFO is tested at V
, V
, V
CC
Description
OUT
OUT
= 3.5 V and 0 V.
remains connected to V
remains connected to V
REF
A
CC
pin cannot exceed 1nF.
= –40 to 85 °C; V
rising than for V
Doc ID 13232 Rev 6
R
Test condition
T
S
CC
CC
until V
until V
CC
CC
= V
falling due to the 10 mV (typ) hysteresis, which prevents
V
V
V
CC
CC
V
V
V
CC
CC
CC
CC
CC
CC
RST
drops below V
drops below the battery voltage (V
falling
falling
falling
rising
rising
rising
CC
(max) to 3.6 V; and V
(1)
= V
CC
(min). V
SW
3.00
3.00
2.85
2.85
2.55
2.55
Min
140
100
.
BAT
BAT
is voltage measured at the
DC and AC parameters
3.075
3.085
2.925
2.935
2.625
2.635
Typ
200
= 2.8 V (except where
60
BAT
) – 75 mV.
Max
3.15
3.17
3.00
3.02
2.70
2.72
280
500
Unit
27/34
ms
ns
ns
V
V
V
V
V
V