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TC1271TERC PDF预览

TC1271TERC

更新时间: 2024-11-28 22:19:51
品牌 Logo 应用领域
美国微芯 - MICROCHIP 监视器
页数 文件大小 规格书
12页 468K
描述
4-Pin レP Reset Monitors

TC1271TERC 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOT-143包装说明:SOT-143, 4 PIN
针数:4Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.11其他特性:DETECTION THRESHOLD VOLTAGE IS 3.1V
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G4JESD-609代码:e3
长度:2.86 mm信道数量:1
功能数量:1端子数量:4
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSOP
封装等效代码:TO-253封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE峰值回流温度(摄氏度):260
电源:3.3 V认证状态:Not Qualified
座面最大高度:1.12 mm子类别:Power Management Circuits
最大供电电流 (Isup):0.015 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):1.2 V标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.9 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:1.3 mm
Base Number Matches:1

TC1271TERC 数据手册

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TC1270/TC1271  
4-Pin µP Reset Monitors  
Features  
Package Type  
• Precision V Monitor for 1.8V, 2.7V, 3.0V, 3.3V  
and 5.0V Nominal Supplies  
4-Pin SOT-143  
CC  
• Manual Reset Input  
V
4
3
CC  
• 140msec Minimum RESET, RESET Output  
Duration  
1
2
GND  
TC1270  
TC1271  
• RESET Output Valid to V = 1.0V (TC1270)  
CC  
• Low 7µA Supply Current  
• V Transient Immunity  
CC  
MR  
TC1270 RESET  
TC1271 (RESET)  
• Small 4-Pin SOT-143 Package  
• No External Components  
• Replacement for MAX811/812 and Offers a Lower  
Threshold Voltage Option  
General Description  
The TC1270 and TC1271 are cost-effective system  
supervisor circuits designed to monitor V in digital  
Applications  
CC  
• Computers  
systems and provide a reset signal to the host  
processor when necessary. A manual reset input is  
provided to override the reset monitor, and is suitable  
• Embedded Systems  
• Battery Powered Equipment  
Critical µP Power Supply Monitoring  
for use as  
a
push-button reset. No external  
components are required.  
The reset output is driven active within 20µsec (4µsec  
Device Selection Table  
for F version) of V falling through the reset voltage  
CC  
Part Number  
Package  
Temp. Range  
threshold. RESET is maintained active for a minimum  
of 140msec after V rises above the reset threshold.  
The TC1271 has an active-high RESET output while  
the TC1270 has an active-low RESET output. The  
CC  
TC1270xERC  
TC1271xERC  
4-Pin SOT-143 -40°C to +85°C  
4-Pin SOT-143 -40°C to +85°C  
output of the TC1270 is valid down to V = 1V. Both  
devices are available in a 4-Pin SOT-143 package.  
CC  
NOTE: “x” denotes a suffix for VCC threshold (see table  
below)  
The TC1270/TC1271 devices are optimized to reject  
Suffix*  
Reset V Threshold (V)  
CC  
fast transient glitches on the V  
line. Low supply  
CC  
current of 7µA (V  
= 3.3V) makes these devices  
suitable for battery powered applications.  
L
M
T
4.63  
4.38  
3.08  
2.93  
2.63  
1.75  
CC  
Typical Operating Circuit  
S
R
F
V
CC  
V
V
CC  
CC  
Processor  
*Custom thresholds available, contact factory.  
RESET  
Input  
MR  
RESET  
Push-  
Button  
(Active Low)  
TC1270  
GND  
GND  
2002 Microchip Technology Inc.  
DS21381B-page 1  

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