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| 型号： | TC1271ASVRCTR |
| 厂商： | Microchip Technology |
| 文件页数： | 3/48页 |
| 文件大小： | 0K |
| 描述： | IC RESET MONITOR 2.93V SOT143-4 |
| 标准包装： | 3,000 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 高有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.93V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-253-4，TO-253AA |
| 供应商设备封装： | SOT-143 |
| 包装： | 带卷 (TR) |
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TC1270A/70AN/71A
1.0
ELECTRICAL
? Notice: Stresses above those listed under “ Absolute
CHARACTERISTICS
Absolute Maximum Ratings ?
Supply Voltage (V DD to V SS ) ............................... +7.0V
Input Current, V DD .............................................. 10 mA
Output Current, RESET, Reset .......................... 10 mA
Voltage on all inputs and outputs
Maximum Ratings” may cause permanent damage to a
device. The absolute maximum values are merely
stress ratings – functional operation of a device at
those, or any other conditions above those indicated in
the operational listing of these specifications, is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
w.r.t. V SS ............................ -0.6V to (V DD + 1.0V)
Storage Temperature Range.............. -65°C to +150°C
Operating Temperature Range .......... -40°C to +125°C
Maximum Junction Temperature, T S .................. 150°C
ESD protection on all pins
Human Body Model ??????????????????????????????????????? ? 4 kV
Machine Model ?????????????????????????????????????????????? ? 400V
ELECTRICAL CHARACTERISTICS
Electrical Characteristics: Unless otherwise noted, V DD = 5V for L/M versions, V DD = 3.3V for T/S versions,
V DD = 3V for R version, T A = -40°C to +125°C. Typical values are at T A = +25°C.
Parameter
Operating Voltage Range
Supply Current
Sym
V DD
I DD
Min
1.0
—
Typ ( 1 )
—
7
Max
5.5
15
Units
V
μA
Test Conditions
V DD > V TRIP , for L/M/R/S/T,
V DD = 5.5V
—
—
4.75
10
10
15
μA
μA
V DD > V TRIP , for R/S/T, V DD = 3.6V
V DD < V TRIP , for L/M/R/S/T
Reset Trip Point
Threshold ( 3 )
V TRIP
4.54
4.50
4.30
4.25
3.03
3.00
2.88
2.85
4.63
—
4.38
—
3.08
—
2.93
—
4.72
4.75
4.46
4.50
3.14
3.15
2.98
3.00
V
V
V
V
V
V
V
V
TC127xAL: T A = +25°C
T A = –40°C to +125°C
TC127xAM: T A = +25°C
T A = –40°C to +125°C
TC127xAT: T A = +25°C
T A = –40°C to +125°C
TC127xAS: T A = +25°C
T A = –40°C to +125°C
2.72
2.77
2.82
V
TC127xA:
( 5 )
T A = +25°C
2.70
2.58
2.55
—
2.63
—
2.85
2.68
2.70
V
V
V
T A = –40°C to +125°C
TC127xAR: T A = +25°C
T A = –40°C to +125°C
Note 1:
2:
3:
4:
5:
6:
Data in the Typical (“Typ”) column is at 5V, +25 ? C, unless otherwise stated.
RST output for TC1270A and TC1270AN, RST output for TC1271A.
TC127XA refers to the TC1270A, TC1270AN or TC1271A device.
Hysteresis is within the V TRIP(MIN) to V TRIP(MAX) window.
Custom-ordered voltage trip point. Minimum order volume requirement.
This specification allows this device to be used in PIC ? 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
voltage (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
? 2007-2011 Microchip Technology Inc.
DS22035D-page 3
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