U5021M-NFP Atmel, U5021M-NFP Datasheet - Page 9

• Manufacturer Part Number: U5021M-NFP
• Description: IC TIMER WATCHDOG DIGITAL 8-SOIC
• Manufacturer: Atmel
• Type: Watchdog Circuitr

Specifications of U5021M-NFP

• Number Of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active High
• Reset Timeout: Adjustable/Selectable
• Voltage - Threshold: 4.2V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Electrical Characteristics (Continued)
V
Ordering Information
Package Information
4756C–AUTO–09/04
Parameters
Timing
Frequency deviation
Debounce time
Debounce time
Maximum trigger pulse length
Power-up reset time
Switch over mode time
Disable time
Enable time
Disable time
Enable time
Reset-out time
Note:
Extended Type Number
U5021M-NFP
DD
= 5 V; T
1. Frequency deviation also depends on the tolerances of the external components
amb
= -40°C to +85°C; reference point is pin 7, unless otherwise specified
(1)
Package SO8
Dimensions in mm
Test Conditions
R
V
Short watchdog window
Short watchdog window
Long watchdog window
Long watchdog window
DD
1
= 66 k , C
= 4.5 V to 5.5 V
0.4
1
8
1
1.27
= 470 pF,
5.00
4.85
3.81
Package
SO8
5
4
1.4
2, 3
0.25
0.10
Pin
1
Remarks
–
technical drawings
according to DIN
specifications
Symbol
t
trgmax
t
t
t
t
t
t
t
o
1
2
3
4
5
6
f
6.15
5.85
5.2
4.8
3.7
3.8
Min.
96
3
0.2
71,970
30,002
1,112
Typ.
201
130
124
45
40
Max.
128
U5021M
5
4
Cycle
Cycle
Cycle
Cycle
Cycle
Cycle
Cycle
Cycle
Cycle
Cycle
Unit
%
9