参数资料
型号: TCM809SVLB713
厂商: Microchip Technology
文件页数: 1/16页
文件大小: 0K
描述: IC RESET MONITOR 2.93V SC70-3
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: 低有效
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: 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: 662 (CN2011-ZH PDF)
其它名称: TCM809SVLB713DKR
TCM809/TCM810
3-Pin Microcontroller Reset Monitors
Features
? Precision V DD Monitor for 2.5V, 3.0V, 3.3V, 5.0V
Nominal System Voltage Supplies
? 140 msec Minimum RESET Time-Out Period
? RESET Output to V DD = 1.0V ( TCM809 )
? Low Supply Current, 9 μA (typ.)
? V DD Transient Immunity
? Small 3-Pin SC-70 and SOT-23B Packages
? No External Components
? Push-Pull RESET Output
? Temperature Ranges:
- Industrial: SC-70 (E): -40 ° C to +85 ° C
- Extended: SOT-23, SC-70 (V): -40 ° C to +125 ° C
Applications
? Computers
General Description
The TCM809 and TCM810 are cost-effective system
supervisor circuits designed to monitor V DD in digital
systems; providing a reset signal to the host processor,
when necessary. No external components are
required.
The RESET output is typically driven active within
65 μsec of V DD falling through the reset voltage thresh-
old. RESET is maintained active for a minimum of
140 msec after V DD rises above the reset threshold.
The TCM810 has an active-high R ESET output, while
the TCM809 has an active-low RESET output. The
output of the TCM809/TCM810 is valid down to
V DD = 1V. Both devices are available in 3-Pin SC-70
and SOT-23B packages.
The TCM809/TCM810 are optimized to reject fast
transient glitches on the V DD line. A low supply current
of 9 μA (typ., V DD = 3.3V) make these devices suitable
?
?
?
?
Embedded Systems
Battery-powered Equipment
Critical Microcontroller Power Supply Monitoring
Automotive
for battery-powered applications.
Pin Configurations
SOT-23B/SC-70
Typical Application Circuit
V DD
GND 1
3
V DD
V DD
PICmicro ?
3
V DD
TCM809
RESET
2
Microcontroller
RESET
INPUT
TCM809 RESET
TCM810 (RESET)
2
GND
1
? 2005 Microchip Technology Inc.
(Active-Low)
GND
Note: 3-Pin SOT-23B is equivalent to
JEDEC TO-236.
DS21661D-page 1
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