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Microcontrollers, Microprocessors & Quartzes
Embedded microcontroller QFN 44 (5x5) 8-Bit 20 MHz I/O number 32
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8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 29-245.
Atmel ATmega644A: Minimum
reset pulsewidth vs. V
CC
.
8
5°C
25°C
-40°C
0
200
400
600
8
00
1000
1200
1400
1600
1
8
00
V
CC
[V]
P
u
l
s
ewidth [n
s
]
1.5
4.0
3
.5
3
.0
2.5
2.0
5.5
5.0
4.5
1
...
...
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