参数资料
型号: TC1272ATVNBTR
厂商: Microchip Technology
文件页数: 1/12页
文件大小: 0K
描述: IC RESET MONITOR 3.08V SOT-23B
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: 低有效
复位超时: 最小为 140 ms
电压 - 阀值: 3.08V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-236-3,SC-59,SOT-23-3
供应商设备封装: SOT-23-3
包装: 带卷 (TR)
M
Features
TC1272A
3-Pin Reset Monitor
General Description
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Precision V DD Monitor
140 msec Minimum RESET, Output Duration
Output Valid to V DD = 1.2V
V DD Transient Immunity
Small 3-Pin SOT-23B Package
No External Components
The TC1272A are cost-effective system supervisor
circuits designed to monitor V DD in digital systems and
provide a reset signal to the host processor, when
necessary. No external components are required.
The reset output is driven active within 65 μsec (typ.)
of V DD falling through the reset voltage threshold.
RESET is maintained active for a minimum of
Applications
140 msec after V DD rises above the reset threshold.
The TC1272A has a complimentary output. The output
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Computers
Embedded Systems
Battery-Powered Equipment
Critical μP Power Supply Monitoring
of the TC1272A is valid down to V DD = 1.2V. The
device is available in a 3-Pin SOT-23B package.
The TC1272A device is optimized to reject fast
transient glitches on the V DD line.
Typical Application Circuit
Package Type
V DD
2
3-Pin SOT-23B*
V DD
V DD
RESET 1
RESET
TC1272A
GND
3
1
RESET
Input
Processor
GND
V DD
2
TC1272A
3
GND
Note: 3-Pin SOT-23B is equivalent to
JEDEC TO-236.
? 2004 Microchip Technology Inc.
DS21877A-page 1
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