DS1238A-5 Maxim Integrated Products, DS1238A-5 Datasheet - Page 6
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DS1238A-5
Manufacturer Part Number
DS1238A-5
Description
IC MICROMANAGER 5% 16-DIP
Manufacturer
Maxim Integrated Products
Series
MicroManagerr
Type
Battery Backup Circuitr
Specifications of DS1238A-5
Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active High/Active Low
Reset Timeout
40 ms Minimum
Voltage - Threshold
4.62V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
NON-MASKABLE INTERRUPT Figure 5
NMI
V
MAXVOLTAGE =
Example 1: 5-Volt Supply, R2 = 10k Ohms,
V
4.8 =
SENSE
SENSE
FROM IN INPUT Figure 6
R1
=
= 4.8 Volts
10k
R1
10k
R2
R2
x 1.27 R1 = 27.8k Ohm
x 1.27
V
1.27
SENSE
x 5.0 = VMAX
6 of 13
Example 2: 12-Volt Supply, R2 = 10k Ohms,
V
9.0 =
V
SENSE
MAX
=
R1
= 9.0 Volts
10k
1.27
9.00
10k
x 5.0 = 35.4 Volts
x 1.27 R1 = 60.9k Ohm
DS1238A