DS1818R-20-U Maxim Integrated Products, DS1818R-20-U Datasheet - Page 5
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DS1818R-20-U
Manufacturer Part Number
DS1818R-20-U
Description
Supervisory Circuits 3.3V EconoReset w/Pushbutton
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1818R-10TR.pdf
(5 pages)
Specifications of DS1818R-20-U
Number Of Voltages Monitored
1
Monitored Voltage
1 V to 5.5 V
Undervoltage Threshold
2.47 V
Overvoltage Threshold
2.64 V
Output Type
Active Low, Open Drain
Manual Reset
Resettable
Watchdog
No Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
250 ms
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1 V
Supply Current (typ)
35 uA
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SOT-23-3L
Minimum Operating Temperature
- 40 C
Power Fail Detection
Yes
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
NOTES:
1. All voltages are referenced to ground.
2. Measured with V
3. A 1 kW external pull-up resistor may be required in some applications for proper operation of the
4. Measured with
5. Measured with 2.7V £ V
6. t
7. V
8. The t
PART MARKING CODES
“A”, “B”, &“C” represent the device type.
microprocessor reset control circuit.
proper operation or use of the device.
R
OH
= 5 ms.
810
811
812
813
815
816
817
818
and I
F
value is for reference in defining values for t
OH
are a function of the value of R
-
-
-
-
-
-
-
-
RST
CC
³ 2.7V.
output open.
DS1810
DS1811
DS1812
DS1813
DS1815
DS1816
DS1817
DS1818
CC
£ 3.3V.
P
and the associated output load conditions.
5 of 5
RPD
“D” represents the device tolerance.
and should not be considered a requirement for
A
B
C
D
-
-
-
-
5%
10%
15%
20%
DS1818