參數(shù)資料
型號： MCP1317T
廠商： Microchip Technology Inc.
英文描述： Voltage Supervisor
中文描述： 電壓監(jiān)控
文件頁數(shù)： 7/44頁
文件大小： 924K
代理商： MCP1317T
2005 Microchip Technology Inc.
DS21985A-page 7
MCP131X/2X
RST/RST Low-Level Output Voltage
V
OL
—
—
0.3
V
I
OL
= 50
μ
A, 1.0V
≤
V
DD
≤
1.5V
I
OL
= 100
μ
A,
1.5V
<
V
DD
≤
2.5V
I
OL
= 2 mA, 2.5V
<
V
DD
≤
4.5V
I
OL
= 4 mA, V
DD
>
4.5V
I
OH
= 2.5 mA, V
DD
≥
2.5V
—
—
0.3
V
—
—
0.3
V
—
—
0.3
V
RST/RST High-Level Output Voltage
V
OH
V
DD
–
0.7
—
—
V
(Push-Pull Outputs only)
V
DD
–
0.7
—
—
V
I
OH
= 500
μ
A, V
DD
≥
1.5V
Input Low Voltage (MR and WDI pins)
V
IL
V
IH
V
ODH
V
SS
0.7V
DD
—
—
0.3V
DD
V
DD
13.5
(4)
V
Input High Voltage (MR and WDI pins)
—
V
Open-Drain High Voltage on Output
(Note 4)
—
V
Open-Drain Output pin only,
V
DD
= 3.0V, Time voltage >
5.5V applied
≤
100 s,
current into pin limited to 2 mA,
+25°C operation recom-
mended
(Note 4, Note 5)
Input Leakage Current (MR and WDI)
I
IL
I
OD
—
—
±1
μ
A
V
SS
≤
V
PIN
≤
V
DD
Open-Drain Output Leakage Current
(
MCP1316M
,
MCP1318M
,
MCP1319M
,
MCP1320
,
MCP1321
and
MCP1322
only)
—
0.003
1.0
μ
A
Pull-up Resistance
MR pin
R
PU
—
52
—
k
Ω
k
Ω
k
Ω
V
DD
= 5.5V
V
DD
= 5.5V
V
DD
= 5.5V,
MCP131XM
devices only
WDI pin
—
52
—
RST pin
—
4.7
—
Input Pin Capacitance (MR and WDI)
C
I
C
O
—
100
—
pF
Output Pin Capacitive Loading
(RST and RST)
—
—
50
pF
This is the tester loading to
meet the AC timing specifica-
tions.
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications:
Unless otherwise indicated, all limits are specified for V
DD
= 1V to 5.5V, R
PU
= 100 k
Ω
(only
MCP1320
,
MCP1321
and
MCP1322
), T
A
= -40°C to +125°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note 1:
Trip point is ±1.5% from typical value.
Trip point is ±2.5% from typical value.
Hysterysis is minimum = 1%, max = 6% at +25°C.
This specification allows this device to be used in PICmicro
microcontroller applications that require the
In-Circuit Serial Programming (ICSP) feature (see device-specific programming specifications for
voltage requirements). The total time that the RST pin can be above the maximum device operational volt-
age (5.5V) is 100s. Current into the RST pin should be limited to 2 mA. It is recommended that the device
operational temperature be maintained between 0°C to +70°C (+25°C preferred). For additional informa-
tion, refer to Figure 2-35.
This parameter is established by characterization and is not 100% tested.
Custom ordered voltage trip point; minimum order volume requirement. Information available upon request.
2:
3:
4:
5:
6:
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