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| 型号： | MCP121T-195I/LB |
| 厂商： | Microchip Technology |
| 文件页数： | 3/28页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR 1.95V LOW SC-70 |
| 标准包装： | 1 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 80 ms |
| 电压 - 阀值： | 1.9V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-70，SOT-323 |
| 供应商设备封装： | SC-70-3 |
| 包装： | 标准包装 |
| 产品目录页面： | 661 (CN2011-ZH PDF) |
| 其它名称： | MCP121T-195I/LBDKR |
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MCP102/103/121/131
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise indicated, all limits are specified for: V DD = 1V to 5.5V, R PU = 100 k Ω ( MCP121 only),
T A = -40°C to +125°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
V DD Trip Point
MCP1XX-195
V TRIP
1.872
1.900
1.929
V
1.853
1.900
1.948
V
MCP1XX-240
MCP1XX-270
MCP1XX-300
MCP1XX-315
MCP1XX-450
MCP1XX-475
2.285
2.262
2.591
2.564
2.886
2.857
3.034
3.003
4.314
4.271
4.561
4.514
2.320
2.320
2.630
2.630
2.930
2.930
3.080
3.080
4.380
4.380
4.630
4.630
2.355
2.378
2.670
2.696
2.974
3.003
3.126
3.157
4.446
4.490
4.700
4.746
V
V
V
V
V
V
V
V
V
V
V
V
V DD Trip Point Tempco
T TPCO
—
±100
—
ppm/°C
Threshold
Hysteresis
( min. = 1%,
max = 6%)
MCP1XX-195
MCP1XX-240
MCP1XX-270
V HYS
0.019
0.023
0.026
—
—
—
0.114
0.139
0.158
V
V
V
T A = +25°C
MCP1XX-300
MCP1XX-315
MCP1XX-450
MCP1XX-475
0.029
0.031
0.044
0.046
—
—
—
—
0.176
0.185
0.263
0.278
V
V
V
V
RST Low-level Output Voltage
RST High-level Output Voltage
V OL
V OH
—
V DD – 0.6
—
—
0.4
—
V
V
I OL = 500 μA, V DD = V TRIP(MIN)
I OH = 1 mA, For MCP102/MCP103
(MCP102 and MCP103 only)
only (push-pull output)
Internal Pull-up Resistor
R PU
—
95
—
k Ω
V DD = 5.5V
(MCP131 only)
Open-drain High Voltage on Output
(MCP121 only)
V ODH
—
—
13.5 (5)
V
V DD = 3.0V, Time voltage > 5.5V
applied ≤ 100s,
current into pin limited to 2 mA, 25°C
operation recommended
Open-drain Output Leakage Current
I OD
—
0.1
—
μA
(MCP121 only)
Note 1:
2:
3:
4:
5:
6:
Trip point is ±1.5% from typical value.
Trip point is ±2.5% from typical value.
RST output is forced low. There is a current through the internal pull-up resistor.
This includes the current through the internal pull-up resistor and the reset power-up timer.
This specification allows this device to be used in PICmicro ? microcontroller applications that require In-Circuit Serial
Programming? (ICSP?) (see device-specific programming specifications for voltage requirements). This specification
DOES NOT allow a continuos high voltage to be present on the open-drain output pin (V OUT ). The total time that the
V OUT pin can be above the maximum device operational voltage (5.5V) is 100s. Current into the V OUT pin should be
limited to 2 mA and it is recommended that the device operational temperature be maintained between 0°C to 70°C
(+25°C preferred). For additional information, please refer to Figure 2-33.
This parameter is established by characterization and not 100% tested.
? 2005 Microchip Technology Inc.
DS21906B-page 3
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