DS1231S-500/T&R Maxim Integrated, DS1231S-500/T&R Datasheet - Page 3

• Manufacturer Part Number: DS1231S-500/T&R
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: DS1231r

Specifications of DS1231S-500/T&R

• Number Of Voltages Monitored: 1
• 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
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-16 Wide
• Chip Enable Signals: No
• Minimum Operating Temperature: 0 C
• Power Fail Detection: Yes
• Supply Current (typ): 2000 uA
• Supply Voltage - Min: 4.5 V
• Part # Aliases: 90-1231S-5TR

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