MAX811LEUS+T Maxim Integrated Products, MAX811LEUS+T Datasheet - Page 7

• Manufacturer Part Number: MAX811LEUS+T
• Description: IC MPU V-MONITOR 4.63V SOT143-4
• Manufacturer: Maxim Integrated Products
• Type: Simple Reset/Power-On Resetr

Specifications of MAX811LEUS+T

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 4.63V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-143, SOT-143B, TO-253AA
• Monitored Voltage: 3 V or 3.3 V or 5 V
• Undervoltage Threshold: 4.54 V
• Overvoltage Threshold: 4.72 V
• Manual Reset: Resettable
• Watchdog: No
• Battery Backup Switching: No
• Power-up Reset Delay (typ): 560 ms
• Supply Voltage (min): 1.2 V
• Supply Current (typ): 6 uA (Typ)
• Maximum Power Dissipation: 320 mW
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Chip Enable Signals: No
• Minimum Operating Temperature: - 40 C
• Output Type: Active Low or Push-Pull
• Power Fail Detection: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX811LEUS+TTR

µPs with bidirectional reset pins (such as the Motorola
68HC11 series) can contend with the MAX811/MAX812
reset outputs. If, for example, the MAX811 RESET out-
put is asserted high and the µP wants to pull it low,
indeterminate logic levels may result. To correct such
cases, connect a 4.7kΩ resistor between the MAX811
RESET (or MAX812 RESET) output and the µP reset I/O
(Figure 3). Buffer the reset output to other system com-
ponents.
TRANSISTOR COUNT: 341
___________________Chip Information
_______________________________________________________________________________________
Bidirectional Reset Pins
Interfacing to µPs with
4-Pin µP Voltage Monitors
with Manual Reset Input
Figure 3. Interfacing to µPs with Bidirectional Reset I/O
MAX811
GND
V
CC
RESET
4.7k
RESET
BUFFER
GND
V
μP
CC
BUFFERED RESET
TO OTHER SYSTEM
COMPONENTS
7