ACE809_12 Datasheet, PDF (1/5 Pages) ACE Technology Co., LTD. – 3-Pin Microprocessor Reset Circuits

ACE809
3-Pin Microprocessor Reset Circuits
Description
The ACE809 is a cost-effective system supervisor Integrated Circuit (IC) designed to monitor VCC 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 VCC falling through the reset voltage threshold. Reset
is maintained active after VCC rises above the reset threshold. The ACE809 has an active-low RESET
output. The output of the ACE809 is guaranteed valid down to VCC=1V.
The ACE809 is characterized for operation from -40℃ to 85℃, junction temperature. The ACE809 is
optimized to reject fast transient glitches on the VCC line. Low supply current of 7μA (VCC=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 2.30, 2.63, 2.93, 3.08, 4.0, 4.38, and 4.63V.
Features
 Precision Vcc Monitor for 2.8V, 3.0V,3.3V and 5.0V Supplies
 150ms Guaranteed Minimum RESET Output Duration
 RESET Output Guaranteed to Vcc=1.0V
 Low 7μA Supply Current.
 Vcc Transient Immunity.
 No External Components.
 ESD rating is 7KV(HBM)
 Wide operating temperature: -40℃ to 85℃
Application
 Embedded systems
 Computers
 Critical μP power supply monitoring
 Battery powered equipment
Absolute Maximum Ratings⁽¹⁾
Parameter
Symbol
Max
Unit
Supply Voltage
V_CC
5.5
V
Output Voltage
RESET -0.3 to (Vcc+0.3) V
Input Current
20
mA
Output Current
Power Dissipation
I_OUT
20
mA
P_D Internally Limited⁽³⁾
Output short circuit duration
Infinite
Thermal resistance junction to ambient θ_JA
230
℃/W
Operating Temperature Range
T_A
-40~85
℃
Operating junction temperature range T_J
0 to 125
℃
Storage temperature range
T_S
-60 to 150
℃
VER 1.3 1