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參數(shù)資料
| 型號： | AAT3517 |
| 廠商： | Advanced Analog Technology,lnc. |
| 元件分類： | 復位半導體 |
| 英文描述： | Micropower uP Reset with Watchdog Timer |
| 中文描述： | 微功耗 μP 復位和看門狗定時器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 121K |
| 代理商： | AAT3517 |
AAT3510/1/2/3/4/5/6/7/8/9
Micropower μP Reset with Watchdog Timer
3510.2006.03.1.7
5
Electrical Characteristics
V
CC
= 2.5V to 5.5V, T
A
= -40°C to +85oC
1
, unless otherwise noted. Typical values are at T
A
= 25°C.
Symbol
Description
Conditions
Min
Typ
Max
Units
Open-Drain RESET Output (AAT3517, 3518, 3519)
V
CC
≥
1.0V, I
SINK
= 50μA
V
CC
≥
1.2V, I
SINK
= 100μA
V
CC
≥
2.7V, I
SINK
= 1.2mA
V
CC
≥
4.5V, I
SINK
= 3.2mA
0.3
0.3
0.3
0.4
1.0
V
OL
RESET Low Output Voltage
V
I
D(OFF)
Watchdog Input (AAT3510, 3511, 3512, 3513, 3514, 3517, 3518)
Reset Leakage Current
μA
AAT351xIGV-xx-x-A-T1
AAT351xIGV-xx-x-B-T1
AAT351xIGV-xx-x-C-T1
2
V
IL
= 0.3 x V
CC
, V
IH
= 0.7 x V
CC
4.3
71
1.12
6.3
102
1.6
50
9.3
153
2.4
t
WD
Watchdog Timeout Period
ms
s
t
WDI
V
IL
V
IH
WDI Minimum Pulse Width
WDI Input Threshold
3
WDI Input Threshold
3
ns
0.3 x V
CC
0.8 x V
CC
160
V
I
WDI
WDI Input Current
4
WDI = V
CC
, Time Average
V
WDI
= 0, Time Average
120
-15
μA
-20
Manual RESET Input (AAT3510, 3511, 3512, 3515, 3516, 3517, 3519)
V
IL
MR Input Threshold
MR Input Threshold
MR Input Pulse Width
V
IH
MR Glitch Rejection
MR Internal Pull-Up Resistance
MR to Reset Delay
0.3 x V
CC
0.7 x V
CC
V
1
μs
ns
k
ns
100
52
230
T
A
= 25°C
V
CC
= 5V
35
75
1. Over-temperature limits are guaranteed by design, not production tested.
2. Watchdog timeout period C is not available on AAT3513, AAT3514, and AAT3518.
3. WDI is internally serviced within the watchdog period if WDI is left unconnected.
4. The WDI input current is specified as the average input current when the WDI input is driven high or low. The WDI input is designed
for a three-stated-output device with a 10μA maximum leakage current and capable of driving a maximum capacitive load of 200pF.
The three-state device must be able to source and sink at least 200μA when active.
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