DS1231-35N+ Maxim Integrated Products, DS1231-35N+ Datasheet - Page 8
![IC POWER MONITOR 35NS 8-DIP](/photos/1/39/13900/175-8-dip_sml.jpg)
DS1231-35N+
Manufacturer Part Number
DS1231-35N+
Description
IC POWER MONITOR 35NS 8-DIP
Manufacturer
Maxim Integrated Products
Type
Simple Reset/Power-On Resetr
Datasheet
1.DS1231-20.pdf
(9 pages)
Specifications of DS1231-35N+
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
AC ELECTRICAL CHARACTERISTICS
NOTES:
1. All voltages referenced to ground.
2. V
3. Measured with outputs open.
4. t
5. RST is an open drain output and requires a pull–up resister.
6. RST remains within 0.5V of V
TIMING DIAGRAM: POWER-UP
DS1231/S
022698 8/9
PARAMETER
V
V
V
V
V
V
TP
CC
CC
CC
CC
CC
GND on power–down until V
R
CC
to NMI Delay
Slew Rate 4.75-4.25V
Detect to RST and RST
Detect to NMI
Detect to RST and RST
Slew Rate 4.25-4.75V
= 5 s.
= +5.0 volts with outputs open.
MODE=V
INPUT PIN 1
MODE=GND
V
NMI
CC
CC
V
TP
CC
CC
drops below 2.0V.
4.25V
on power–down until V
4.5V
SYMBOL
t
t
t
t
RPD
RPU
IPD
IPU
t
t
R
F
RST
4.75V
t
IPU
RST
MIN
300
150
t
0
R
V
OH
CC
drops below 2.0V. RST remains within 0.5V of
t
RPU
TYP
500
(0 C to 70 C; V
MAX
1000
100
200
1.1
V
V
OH
OL
UNITS
ms
ns
ns
s
s
s
CC
= 5V + 10%)
NOTES
4
4