U5020M-MFPG3Y Atmel, U5020M-MFPG3Y Datasheet - Page 6
![IC TIMER WATCHDOG DIGITAL 16SOIC](/photos/6/50/65034/453-16-sioc_sml.jpg)
U5020M-MFPG3Y
Manufacturer Part Number
U5020M-MFPG3Y
Description
IC TIMER WATCHDOG DIGITAL 16SOIC
Manufacturer
Atmel
Type
Watchdog Circuitr
Datasheet
1.U5020M-MFP.pdf
(10 pages)
Specifications of U5020M-MFPG3Y
Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active High
Reset Timeout
Adjustable/Selectable
Voltage - Threshold
3.8V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 4-4.
Figure 4-5.
6
U5020M
Trigger
Enable
Reset out
Wake-up
Mode
Trigger
Enable
Mode
Reset out
V
DD
Pulse Diagram of a Correct Trigger Sequence During the Short Watchdog Time
Pulse Diagram of the Long Watchdog Time
Figure 4-5
during the enable time, t
The watchdog can be switched back from the long to the short watchdog mode with a low poten-
tial at the mode pin (pin 12).
shows the switch-over from the short to the long watchdog mode. The wake-up signal
t
2
t
0
5
t
, activates a reset pulse, t
1
t
4
t
2
6
.
t
t
3
trig
t
5
t
6
t
t
1
2
Pins 3 to 8
Pin 12
Pin 11
Pin 10
Pin 9
Pin 13
Pin 10
Pin 12
Pin 11
Pin 9
4755B–AUTO–11/05