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參數(shù)資料
| 型號(hào)： | CYT809TS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類(lèi)： | 復(fù)位半導(dǎo)體 |
| 英文描述： | 3-Pin Microprocessor Reset Monitor (Preliminary) |
| 中文描述： | 3引腳微處理器復(fù)位監(jiān)控器（初步） |
| 文件頁(yè)數(shù)： | 1/4頁(yè) |
| 文件大小： | 172K |
| 代理商： | CYT809TS |
Preliminary and all contents are subject to change without prior notice.
1
CYT
809
3-Pin Microprocessor
Reset Monitor
(Preliminary)
Description
The
CYT
809 is a cost-effective system
supervisor Integrated Circuit (IC) designed to
monitor V
CC
in digital and mixed signal systems and
provide a warning signal when the system power
supply is out of working range, and a reset signal to
the host processor when necessary. No external
components are required.
The reset output is driven active within 20μsec
of V
CC
falling through the reset voltage threshold.
Reset is maintained active for a minimum of
140msec after V
CC
rises above the reset threshold.
The
CYT
809
has an active-low RESET output. The
output of the
CYT
809
is guaranteed valid down to
V
CC
=1V. Both devices are available in a SOT-23
package.
The
CYT
809 is optimized to reject fast transient
glitches on the V
CC
line. Low supply current of 18μA
(V
CC
=3.3V) makes these devices suitable for battery
powered applications.
Features
Precision V
CC
Monitor for 2.8V, 3.0V, 3.3V, and
5.0V Supplies
140msec Guaranteed Minimum RESET Output
Duration
RESET Output Guaranteed to V
CC
=1.0V
Low 18μA Supply Current
V
CC
Transient Immunity
Small SOT-23 Package
No External Components
Wide Operating Temperature: 0°C to 85°C
Pin Configuration
Application
Computers
Embedded systems
Battery powered equipment
Critical
μ
P power supply monitoring
Application Diagram
RESET
GND
Vcc
CYT
809
RESET
INPUT
GND
Vcc
PROCESSOR
Vcc
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