stm1403ctoq6f STMicroelectronics, stm1403ctoq6f Datasheet - Page 28

• Manufacturer Part Number: stm1403ctoq6f
• Description: 3v Fips-140 Security Supervisor With Battery Switchover
• Manufacturer: STMicroelectronics

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