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| 型号： | MCP121T-195I/LB |
| 厂商： | Microchip Technology |
| 文件页数： | 2/28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
1.0
ELECTRICAL
CHARACTERISTICS
? Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
Absolute Maximum Ratings?
V DD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0V
operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
Input current (V DD ) . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 mA
Output current (RST) . . . . . . . . . . . . . . . . . . . . . . . . . .10 mA
Rated Rise Time of V DD . . . . . . . . . . . . . . . . . . . . . . 100V/μs
All inputs and outputs (except RST) w.r.t. V SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.6V to (V DD + 1.0V)
RST output w.r.t. V SS . . . . . . . . . . . . . . . . . . . -0.6V to 13.5V
Storage temperature . . . . . . . . . . . . . . . . . . -65°C to + 150°C
Ambient temp. with power applied . . . . . . . -40°C to + 125°C
Maximum Junction temp. with power applied . . . . . . . . 150°C
ESD protection on all pins . . . . . . . . . . . . . . . . . . . . . . . . . ≥ 2 kV
DC CHARACTERISTICS
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
Operating Voltage Range
Specified V DD Value to RST low
Sym
V DD
V DD
Min
1.0
1.0
Typ
—
—
Max
5.5
Units
V
V
Conditions
I RST = 10 uA, V RST < 0.2V
Operating Current
MCP102,
I DD
—
<1
1.75
μA
Reset Power-up Timer (t RPU ) Inactive
MCP103,
MCP121
—
—
20.0
μA
Reset Power-up Timer (t RPU ) Active
MCP131
I DD
—
<1
1.75
μA
V DD > V TRIP and Reset Power-up
Timer (t RPU ) Inactive
—
—
75
μA
V DD < V TRIP and Reset Power-up
—
—
90
μA
Reset Power-up Timer (t RPU ) Active
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
This parameter is established by characterization and not 100% tested.
DS21906B-page 2
? 2005 Microchip Technology Inc.
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