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參數(shù)資料
| 型號： | STM1815 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Low Power Reset Circuit |
| 中文描述： | 低功耗復(fù)位電路 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大小： | 321K |
| 代理商： | STM1815 |
15/20
STM1810/1811/1812/1813/1815/1816/1817/1818
Table 9. DC and AC Characteristics
Alter-
native
Note: 1. Valid for Ambient Operating Temperature: T
A
= –40 to 105°C; V
CC
= 1.2V to 5.5V (except where noted).
2. The STM1811/1813/1816/1818 have an internal pull-up resistor which may sink 1mA of current.
Sym
Description
Test Condition
(1)
Min
Typ
Max
Unit
V
CC
Operating Voltage
T
A
= 0 to +105°C
T
A
= –40 to +105°C
V
CC
= 3.6V, No load
V
CC
= 5.5V, No load
STM1813/1818 only
1.0
5.5
V
1.2
5.5
V
I
CC
V
CC
Supply Current
4
10
μA
9
16
μA
V
IH
V
IL
Input High Voltage
0.7V
CC
V
Input Low Voltage
STM1813/1818 only
0.4
V
V
OH
Output High Voltage
0 < I
OH
< 500
μ
A
V
CC
–
0.5
V
CC
– 0.1
V
I
OH
RST Output Source Current
V
CC
≥
V
RST
(max), Reset not
asserted (STM1810/STM1815)
V
CC
≤
V
RST
(min), Reset asserted
(STM1812/STM1817)
V
CC
≥
2.7V, Reset asserted,
V
OUT
= 0.4V (STM1810/1811/
1813/1815/1816/1818)
V
CC
≥
2.7V, Reset not asserted,
V
OUT
= 0.4V, (STM1812/1817)
350
μA
RST Output Source Current
350
μA
I
OL
RST Output Sink Current
10
mA
RST Output Sink Current
10
mA
C
OUT
Output Capacitance
(2)
10
pF
Reset Thresholds
V
RST
Reset Threshold
STM181xL
25°C
4.62
V
V
V
V
V
V
V
V
V
V
–40 to 105°C
25°C
–40 to 105°C
25°C
–40 to 105°C
25°C
–40 to 105°C
25°C
–40 to 105°C
4.50
4.75
STM181xM
4.37
4.25
4.49
STM181xT
3.06
2.98
3.15
STM181xS
2.88
2.80
2.97
STM181xR
2.55
2.47
2.64
t
RD
V
CC
to RST Delay
V
CC
= (V
TH
+ 100mV) falling to
(V
TH
– 200mV)
V
CC
Rising
2
5
μs
t
rec
RST Pulse Width
100
150
200
ms
Push-Button Reset Detect (STM1813, STM1818)
t
PB
Push-button Detect to RST
t
PBRST
Push-button RST Time-out
STM1813/1818
1.5
100
μs
From Rising Edge
STM1811/1816
STM1813/1818
150
200
ms
k
k
Internal Pull-up Resistance
3.5
3.1
5.5
5.5
7.5
7.5
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