ATMEGA644PV ATMEL [ATMEL Corporation], ATMEGA644PV Datasheet - Page 375

• Manufacturer Part Number: ATMEGA644PV
• Description: 8-bit Microcontroller with 16/32/64K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

8011D–AVR–02/07
Figure 27-74. I/O Pin Input Hysteresis vs. V
Figure 27-75. Reset Pin Input Threshold vs. V
2,5
1,5
0,5
0,6
0,5
0,4
0,3
0,2
0,1
0
2
1
0
1,5
1,5
2
2
RESET INPUT THRESHOLD VOLTAGE vs. V
2,5
2,5
I/O PIN INPUT HYSTERESIS vs. V
VIH, IO PIN READ AS '1'
3
3
V
V
CC
CC
3,5
3,5
CC
(V)
(V)
CC
ATmega164P/324P/644P
(V
4
4
IH
, I/O Pin Read as ‘1’).
4,5
4,5
CC
CC
5
5
5,5
5,5
-40 ˚C
-40 ˚C
25 ˚C
85 ˚C
25 ˚C
85 ˚C
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