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| 型號(hào)： | MCP131X |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Voltage Supervisor |
| 中文描述： | 電壓監(jiān)控 |
| 文件頁(yè)數(shù)： | 20/44頁(yè) |
| 文件大?。?/td> | 924K |
| 代理商： | MCP131X |
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MCP131X/2X
DS21985A-page 20
2005 Microchip Technology Inc.
3.0
PIN DESCRIPTION
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
PIN FUNCTION TABLE
Pin No.
Device
Symbol
Pin
Type
Buffer/
Driver
Type
Function
SOT23-5
1
MCP1316M
(1)
,
MCP1318M
(1)
,
MCP1319M
(1)
,
MCP1320,
MCP1321,
MCP1322
RST
O
Open-Drain Reset Output (active-low)
Goes active (Low) if one of these conditions occurs:
1.
If V
DD
falls below the selected Reset voltage
threshold.
2.
If the MR pin is forced low.
3.
If the WDI pin does not detect an edge transition
within the minimum selected time out period.
4.
During power-up.
V
DD
Falling:
Open-Drain = V
DD
> V
TRIP
L = V
DD
< V
TRIP
V
DD
Rising:
Open-Drain = V
DD
> V
TRIP
+ V
HYS
L = V
DD
< V
TRIP
+ V
HYS
V
DD
Falling:
H = V
DD
> V
TRIP
L = V
DD
< V
TRIP
MCP1316,
MCP1318,
MCP1319
O
Push-Pull
V
DD
Rising:
H = V
DD
> V
TRIP
+ V
HYS
L = V
DD
< V
TRIP
+ V
HYS
Reset Output (active-high)
Goes active (High) if one of these conditions occurs:
1.
If V
DD
falls below the selected Reset voltage
threshold.
2.
If the MR pin is forced low.
3.
If the WDI pin does not detect an edge transition
within the minimum selected time out period.
4.
During power-up.
MCP1317
RST
O
Push-Pull
V
DD
Falling:
H = V
DD
< V
TRIP
L = V
DD
> V
TRIP
V
DD
Rising:
H = V
DD
< V
TRIP
+ V
HYS
L = V
DD
> V
TRIP
+ V
HYS
The ground reference for the device.
2
All
V
SS
—
P
Note 1:
Open-Drain output with internal pull-up resistor.
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