STR91XFA STMICROELECTRONICS [STMicroelectronics], STR91XFA Datasheet - Page 54

• Manufacturer Part Number: STR91XFA
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristics
6.6
6.7
6.8
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RESET_INn and power-on-reset characteristics
V
Table 13.
1. Data based on bench measurements, not tested in production.
Main oscillator electrical characteristics
V
Table 14.
1. Data characterized with quartz crystal, not tested in production.
RTC oscillator electrical characteristics
V
Table 15.
1. Data based on bench measurements, not tested in production.
2. Min oscillator start voltage is the same as low voltage detect level (2.4V or 2.7V) for V
t
t
t
t
g
t
RINMIN
POR
RSO
STUP(OSC)
STUP(RTC)
DDQ
DDQ
DDQ
Symbol
Symbol
Symbol
M(RTC)
= 2.7 - 3.6V, V
= 2.7 - 3.6V, V
= 2.7 - 3.6V, V
RESET_INn Valid Active Low
Power-On-Reset Condition
duration
RESET_OUT Duration
(Watchdog reset)
Oscillator Start-up Time
Oscillator Start _voltage
Oscillator Start-up Time
RESET_INn and Power-On-Reset Characteristics
Main oscillator electrical characteristics
RTC oscillator electrical characteristics
Parameter
Parameter
Parameter
DD
DD
DD
= 1.65 - 2V, T
= 1.65 - 2V, T
= 1.65 - 2V, T
(1)
(1)
A
A
A
= -40 / 85 °C unless otherwise specified.
= -40 / 85 °C unless otherwise specified.
= -40 / 85 °C unless otherwise specified.
V
time is less than
10ms
Stable V
Stable V
Test Conditions
Test Conditions
Test Conditions
DDQ
,V
DD
DDQ
DDQ
ramp
(1)
LVD
Min
PCLK
Min
Min
100
one
10
(2)1)
(1)
Value
Value
Value
Typ
Typ
Typ
2
DDQ
Max
Max
Max
3
1
STR91xFA
Unit
Unit
Unit
mS
ms
ns
ns
V
S