DS1231S-35+T&R Maxim Integrated Products, DS1231S-35+T&R Datasheet - Page 3

• Manufacturer Part Number: DS1231S-35+T&R
• Description: IC POWER MONITOR 35NS 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Simple Reset/Power-On Resetr

Specifications of DS1231S-35+T&R

• 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: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• 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: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 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