DS1231-20N+ Maxim Integrated Products, DS1231-20N+ Datasheet - Page 3
![IC POWER MONITOR 20NS 8-DIP](/photos/1/39/13900/175-8-dip_sml.jpg)
DS1231-20N+
Manufacturer Part Number
DS1231-20N+
Description
IC POWER MONITOR 20NS 8-DIP
Manufacturer
Maxim Integrated Products
Type
Simple Reset/Power-On Resetr
Datasheet
1.DS1231-20.pdf
(9 pages)
Specifications of DS1231-20N+
Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active High/Active Low
Reset Timeout
150 ms Minimum
Voltage - Threshold
4.37V, 4.62V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Monitored Voltage
4.5 V to 5.5 V
Undervoltage Threshold
4.5 V
Overvoltage Threshold
4.74 V
Output Type
Active High, Active Low, Open Drain
Manual Reset
Not Resettable
Watchdog
No Watchdog
Battery Backup Switching
No Backup
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Supply Current (typ)
2000 uA
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Power Fail Detection
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
POWER MONITOR BLOCK DIAGRAM Figure 1
POWER-UP RESET Figure 2
1
4
8
3
TOL
IN
GND
V
CC
30 A
T.C. REFERENCE
TOLERANCE
V
BIAS
CC
IN
MODE
TOL
GND
SELECTION
(-5% V
MODE
DS1231
NMI
CC
THRESHOLD)
RST
RST
NMI
V
CC
SAMPLER
DIGITAL
+5V
NC
MICROPROCESSOR
RST
DIGITAL
8051
DELAY
P
MODE
NMI
022698 3/9
DS1231/S
2
7
RST
RST
6
5