MAX6868UK22D2L-T Maxim Integrated, MAX6868UK22D2L-T Datasheet - Page 7
![no-image](/images/no-image-200.jpg)
MAX6868UK22D2L-T
Manufacturer Part Number
MAX6868UK22D2L-T
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX6854, MAX6855, MAX6856, MAX6858, MAX6860, MAX6861, MAX6862, MAX6863, MAX6864, MAX6865, MAX6866, MAX6867, MAX6868, MAX6869r
Datasheet
1.MAX6855UK46D4-T.pdf
(17 pages)
Specifications of MAX6868UK22D2L-T
Number Of Voltages Monitored
1
Monitored Voltage
1.2 V to 5.5 V
Undervoltage Threshold
2.133 V
Overvoltage Threshold
2.243 V
Output Type
Active High, Push-Pull
Manual Reset
Resettable
Watchdog
Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
60 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
571 mW
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Supply Current (typ)
7 uA
Supply Voltage - Min
1.1 V
MAX6861/
MAX6863
—
1
2
3
4
5
PIN
Nanopower µP Supervisory Circuits with
_______________________________________________________________________________________
MAX6862
—
1
2
3
5
4
Manual Reset and Watchdog Timer
RESET
RESET
NAME
GND
V
MR
CT
CC
MAX6861/MAX6862/MAX6863 Pin Description
Reset Timeout Select Input. Connect CT low to select the D1 reset timeout output
period (see Tables 1 and 4). Connect CT high (normally V
reset timeout period.
Ground
Active-Low Manual Reset Input. Drive MR low to initiate a reset. The reset output
remains asserted while MR is held low and for the reset timeout period after MR
transitions high. Leave MR unconnected or connect to V
internally pulled up to V
Active-Low Open-Drain or Push-Pull Reset Output. RESET transitions from high to
low when V
RESET remains low for the reset timeout period after V
reset threshold and MR deasserts. Push-pull RESET outputs are referenced to
V
Supply Voltage. Input for V
a 0.1µF capacitor to GND.
Active-High Push-Pull Reset Output. RESET transitions from low to high when
V
remains high for the reset timeout period after V
threshold and MR deasserts. RESET is referenced to V
CC
CC
. Open-drain RESET outputs require an external pullup resistor.
drops below the selected reset threshold or MR is pulled low. RESET
CC
drops below the selected reset threshold or MR is pulled low.
CC
CC
through 10kΩ.
reset monitor. For noisy systems, bypass V
FUNCTION
CC
exceeds the device reset
CC
CC
CC
.
exceeds the device
CC
if unused. MR is
) to select the D3
CC
with
7