DS1238S-5 Maxim Integrated Products, DS1238S-5 Datasheet - Page 6

• Manufacturer Part Number: DS1238S-5
• Description: IC MICROMAN W/FRESH 5% 16-SOIC
• Manufacturer: Maxim Integrated Products
• Series: MicroManagerr
• Type: Battery Backup Circuitr

Specifications of DS1238S-5

• Number Of Voltages Monitored: 1
• Output: Open Drain, Push-Pull
• Reset: Active High/Active Low
• Reset Timeout: 40 ms Minimum
• Voltage - Threshold: 4.62V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• 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 14
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
DS1238