参数资料
型号: TC1271ASCVCTTR
厂商: Microchip Technology
文件页数: 6/48页
文件大小: 0K
描述: IC RESET MONITOR 2.93V SOT23A-5
标准包装: 1
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 17.5 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: SC-74A,SOT-753
供应商设备封装: SOT-23-5
包装: 标准包装
产品目录页面: 662 (CN2011-ZH PDF)
其它名称: TC1271ASCVCTDKR
TC1270A/70AN/71A
TIMING DIAGRAMS AND SPECIFICATIONS
MR Pin and Reset Pin Waveform
MR
RST
t MRNI
t MR
t MD
t RST
RST
Device Voltage and Reset Pin (Active Low) Waveform
V TRIP
V TRIP(MIN)
V TRIP(MAX)
V DD
1V
t RST
t RD
t RST
RST (1)
RST
V DD < 1V is outside the device operating specification. The RST (or RST) output state is unknown while V DD < 1V.
Note 1:
The TC1270AN requires an external pull-up resistor.
Reset and Device Reset Timer Requirements
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
V DD to Reset Delay
Sym
t RD
Min
Typ ( 1 )
50
Max
Units
μs
Test Conditions
V DD = V TRIP(MAX) to
V TRIP(MIN) –125 mV
TC127XAxVyy
Reset Active
Time Out
Period
TC127XAx B Vyy ( 3 )
TC127XAx A Vyy ( 3 )
( 3 )
t RST
1.09
17.5
140
2.19
35
280
4.38
70
560
ms
ms
ms
V DD = V TRIP(MAX)
V DD = V TRIP(MAX)
V DD = V TRIP(MAX)
MR Minimum Pulse Width
MR Noise Immunity
MR to Reset Propagation Delay
t MR
t MRNI
t MD
10
0.1
0.2
μs
μs
μs
Note 1:
2:
3:
Unless otherwise stated, data in the Typical (“Typ”) column is at 5V, +25 ? C.
RST output for TC1270A, RST output for TC1271A.
TC127XA refers to the TC1270A, TC1270AN or TC1271A device.
“x” indicates the selected voltage trip point, while “yy” indicates the package code.
DS22035D-page 6
? 2007-2011 Microchip Technology Inc.
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