EC95809 Datasheet, PDF (1/6 Pages) E-CMOS Corporation – 3-Pin Microprocessor Reset Monitor

3-Pin Microprocessor Reset Monitor
EC95809
S^Description
The EC95809 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 typical delay of
150msec after V_CC rises above the reset threshold.
The EC95809 has an active-low RESET output.
The output of the EC95809 is guaranteed valid
down to V_CC=1V in most applications. Please see
application section for more details.
The EC95809 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. The
output voltages range from 1.7V to 4.5V in 100mV
increments. Standard voltage versions are 2.63,
2.93, 3.08, 4.0, 4.38, and 4.63V.
Features
● Precision V_CC Monitor for 2.8V, 3.0V, 3.3V, and
5.0V Supplies
● 150msec typical delay for RESET Output
● RESET Output Guaranteed to V_CC=1.0V
● Low 20μA Supply Current
● V_CC Transient Immunity
● No External Components
● Small SOT-23 Package and TO-92 Package
● Wide Operating Temperature: -40°C to 85°C
● 100% Lead (Pb)-Free
Application
● Computers/Portable Devices
● Embedded systems
● Battery powered equipment
● Critical µP power supply monitoring
Pin Configuration
Application Diagram
E-CMOS Corp. (www.ecmos.com.tw)
Page 1 of 6
4J20N-Rev.F003