MAX6456UT44S-T Maxim Integrated, MAX6456UT44S-T Datasheet - Page 8

• Manufacturer Part Number: MAX6456UT44S-T
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: MAX6453, MAX6454, MAX6455, MAX6456r

Specifications of MAX6456UT44S-T

• Number Of Voltages Monitored: 1
• Monitored Voltage: 1.8 V to 5 V
• Undervoltage Threshold: Adjustable
• Overvoltage Threshold: Adjustable
• Output Type: Active Low, Open Drain
• Manual Reset: Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 280 ms
• Supply Voltage - Max: 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-23
• Chip Enable Signals: No
• Maximum Power Dissipation: 696 mW
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: No
• Supply Current (typ): 7 uA
• Supply Voltage - Min: 1 V

µP Supervisors with Separate V
Manual Reset Outputs
Figure 4. Interrupt Before Reset Application Circuit
Figure 6. Ensuring RESET Valid to V
8
+3.3V
+1.5V
_______________________________________________________________________________________
V
RSTIN
GND
CC
MAX6455
MAX6453
MAX6455
GND
MROUT
RESET
MR
RESET
PUSHBUTTON SWITCH
CLOSE FOR IMMEDIATE SYSTEM INTERRUPT
CLOSE FOR >3.36s FOR SYSTEM RESET
V
CC
CC
LED
= 0
V
CORE SUPPLY
RESET
CC
NMI
100kΩ
μ
P
SUPPLY
I/O
Figure 5. Interfacing to Other Voltage Levels
RSTIN
V
CC
1.23V
V
CC
MAX6454
MAX6456
V
5V
CC
GND
CC
RESET
GND
0.63V
V
CC
Functional Diagram
Reset and
100kΩ
MR
RESET
MAX6455/MAX6456
TIMOUT PERIOD
TIMOUT PERIOD
MAX6453–
MAX6456
SETUP PERIOD
MR-TO-RESET
(210ms typ)
(210ms typ)
(3.36s typ)
MROUT
RESET
3.3V
V
GND
μ
CC
P
RESET
MROUT