8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN
ATMEGA644PA-MN
Microchip Technology
1:
$9.22
366 In Stock
Mouser Part No
556-ATMEGA644PA-MN
Microchip Technology
8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN
366 In Stock
Alternative Packaging
1
$9.22
25
$8.43
100
$7.64
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
VQFN-44
AVR
8 bit
20 MHz
64 kB
4 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-MU
Microchip Technology
1:
$7.52
431 In Stock
Mouser Part No
556-ATMEGA644A-MU
Microchip Technology
8-bit Microcontrollers - MCU 20 MHz Ind Temp
431 In Stock
Alternative Packaging
1
$7.52
25
$6.88
100
$6.23
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
VQFN-44
AVR
8 bit
20 MHz
64 kB
4 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM
ATMEGA1284P-MUR
Microchip Technology
1:
$9.72
3,776 In Stock
Mouser Part No
556-ATMEGA1284P-MUR
Microchip Technology
8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM
3,776 In Stock
Alternative Packaging
1
$9.72
25
$9.48
4,000
$8.05
Buy
Min.: 1
Mult.: 1
Reel :
4,000
Details
SMD/SMT
VQFN-44
AVR
8 bit
20 MHz
128 kB
16 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM
ATMEGA1284P-AUR
Microchip Technology
1:
$9.72
3,527 In Stock
Mouser Part No
556-ATMEGA1284P-AUR
Microchip Technology
8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM
3,527 In Stock
Alternative Packaging
1
$9.72
25
$9.48
2,000
$8.05
Buy
Min.: 1
Mult.: 1
Reel :
2,000
Details
SMD/SMT
TQFP-44
AVR
8 bit
20 MHz
128 kB
16 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ IND TEMP,8V
ATMEGA164PA-AUR
Microchip Technology
1:
$6.27
4,943 In Stock
Mouser Part No
556-ATMEGA164PA-AUR
Microchip Technology
8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ IND TEMP,8V
4,943 In Stock
Alternative Packaging
1
$6.27
25
$6.11
2,000
$5.18
Buy
Min.: 1
Mult.: 1
Reel :
2,000
Details
SMD/SMT
TQFP-44
AVR
8 bit
20 MHz
16 kB
1 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
ATMEGA644PA-AUR
Microchip Technology
1:
$8.98
95 In Stock
Mouser Part No
556-ATMEGA644PA-AUR
Microchip Technology
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
95 In Stock
Alternative Packaging
1
$8.98
25
$8.77
2,000
$7.45
Buy
Min.: 1
Mult.: 1
Reel :
2,000
Details
SMD/SMT
TQFP-44
AVR
8 bit
20 MHz
64 kB
4 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
ATMEGA1284-AU
Microchip Technology
1:
$8.57
4,236 In Stock
Mouser Part No
556-ATMEGA1284-AU
Microchip Technology
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
4,236 In Stock
Alternative Packaging
1
$8.57
25
$7.86
100
$7.10
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
TQFP-44
AVR
8 bit
20 MHz
128 kB
16 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
ATMEGA1284P-AU
Microchip Technology
1:
$9.51
10,983 In Stock
Mouser Part No
556-ATMEGA1284P-AU
Microchip Technology
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
10,983 In Stock
Alternative Packaging
1
$9.51
25
$8.73
100
$7.89
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
TQFP-44
AVR
8 bit
20 MHz
128 kB
16 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
ATMEGA1284-PU
Microchip Technology
1:
$9.42
898 In Stock
Mouser Part No
556-ATMEGA1284-PU
Microchip Technology
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
898 In Stock
1
$9.42
30
$8.65
100
$7.83
Buy
Min.: 1
Mult.: 1
Details
Through Hole
PDIP-40
AVR
8 bit
20 MHz
128 kB
16 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tube
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-AU
Microchip Technology
1:
$7.52
932 In Stock
2,080 Expected 28/9/2026
Mouser Part No
556-ATMEGA644A-AU
Microchip Technology
8-bit Microcontrollers - MCU 20 MHz Ind Temp
932 In Stock
2,080 Expected 28/9/2026
Alternative Packaging
1
$7.52
25
$6.88
100
$6.23
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
TQFP-44
AVR
8 bit
20 MHz
64 kB
4 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-AUR
Microchip Technology
1:
$7.71
558 In Stock
Mouser Part No
556-ATMEGA644A-AUR
Microchip Technology
8-bit Microcontrollers - MCU 20 MHz Ind Temp
558 In Stock
Alternative Packaging
1
$7.71
25
$7.53
2,000
$6.41
Buy
Min.: 1
Mult.: 1
Reel :
2,000
Details
SMD/SMT
TQFP-44
AVR
8 bit
20 MHz
64 kB
4 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
ATMEGA644PA-AU
Microchip Technology
1:
$8.76
686 In Stock
Mouser Part No
556-ATMEGA644PA-AU
Microchip Technology
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
686 In Stock
Alternative Packaging
1
$8.76
25
$8.04
100
$7.29
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
TQFP-44
AVR
8 bit
20 MHz
64 kB
4 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
ATMEGA644PA-PU
Microchip Technology
1:
$9.33
650 In Stock
Mouser Part No
556-ATMEGA644PA-PU
Microchip Technology
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
650 In Stock
1
$9.33
30
$8.53
100
$7.74
Buy
Min.: 1
Mult.: 1
Details
Through Hole
PDIP-40
AVR
8 bit
20 MHz
64 kB
4 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tube
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
ATMEGA1284-AUR
Microchip Technology
1:
$8.81
812 In Stock
Mouser Part No
556-ATMEGA1284-AUR
Microchip Technology
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
812 In Stock
Alternative Packaging
1
$8.81
25
$8.60
2,000
$7.32
Buy
Min.: 1
Mult.: 1
Reel :
2,000
Details
SMD/SMT
TQFP-44
AVR
8 bit
20 MHz
128 kB
16 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP
ATMEGA644PA-AN
Microchip Technology
1:
$9.14
255 In Stock
480 Expected 5/10/2026
Mouser Part No
556-ATMEGA644PA-AN
Microchip Technology
8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP
255 In Stock
480 Expected 5/10/2026
1
$9.14
25
$8.36
100
$7.58
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
TQFP-44
AVR
8 bit
20 MHz
64 kB
4 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
ATMEGA1284P-MU
Microchip Technology
1:
$9.51
100 In Stock
360 Expected 23/10/2026
Mouser Part No
556-ATMEGA1284P-MU
Microchip Technology
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
100 In Stock
360 Expected 23/10/2026
Alternative Packaging
1
$9.51
25
$8.73
100
$7.89
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
VQFN-44
AVR
8 bit
20 MHz
128 kB
16 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
ATMEGA1284P-PU
Microchip Technology
1:
$10.10
10 In Stock
2,000 On Order
Mouser Part No
556-ATMEGA1284P-PU
Microchip Technology
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
10 In Stock
2,000 On Order
View Dates
Stock:
10 Can Dispatch Immediately
On Order:
800 Expected 4/1/2027
1,200 Expected 18/1/2027
Factory Lead Time:
7 Weeks
1
$10.10
30
$9.26
100
$8.38
Buy
Min.: 1
Mult.: 1
Details
Through Hole
PDIP-40
AVR
8 bit
20 MHz
128 kB
16 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tube
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-PU
Microchip Technology
1:
$8.02
12 In Stock
390 Expected 16/11/2026
Mouser Part No
556-ATMEGA644A-PU
Microchip Technology
8-bit Microcontrollers - MCU 20 MHz Ind Temp
12 In Stock
390 Expected 16/11/2026
1
$8.02
30
$7.34
100
$6.65
Buy
Min.: 1
Mult.: 1
Details
Through Hole
PDIP-40
AVR
8 bit
20 MHz
64 kB
4 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tube
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
ATMEGA644PA-MU
Microchip Technology
1:
$8.76
71 In Stock
720 Expected 29/9/2026
Mouser Part No
556-ATMEGA644PA-MU
Microchip Technology
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
71 In Stock
720 Expected 29/9/2026
Alternative Packaging
1
$8.76
25
$8.04
100
$7.29
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-44
AVR
8 bit
20 MHz
64 kB
4 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
ATMEGA1284-MU
Microchip Technology
1:
$8.57
101 In Stock
360 Expected 22/2/2027
Mouser Part No
556-ATMEGA1284-MU
Microchip Technology
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
101 In Stock
360 Expected 22/2/2027
Alternative Packaging
1
$8.57
25
$7.86
100
$7.10
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
MLF-44
AVR
8 bit
20 MHz
128 kB
16 kB
10 bit
32 I/O
1.8 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-MUR
Microchip Technology
4,000:
$6.41
Non-Stocked Lead-Time 8 Weeks
Mouser Part No
556-ATMEGA644A-MUR
Microchip Technology
8-bit Microcontrollers - MCU 20 MHz Ind Temp
Non-Stocked Lead-Time 8 Weeks
Alternative Packaging
Buy
Min.: 4,000
Mult.: 4,000
Reel :
4,000
Details
SMD/SMT
VQFN-44
AVR
8 bit
20 MHz
1.8 V
5.5 V
Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C
ATMEGA644PA-MNR
Microchip Technology
4,000:
$7.77
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
556-ATMEGA644PA-MNR
Microchip Technology
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
Buy
Min.: 4,000
Mult.: 4,000
Reel :
4,000
Details
SMD/SMT
VQFN-44
AVR
8 bit
20 MHz
1.8 V
5.5 V
Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
ATMEGA644PA-MUR
Microchip Technology
4,000:
$7.40
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
556-ATMEGA644PA-MUR
Microchip Technology
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
Buy
Min.: 4,000
Mult.: 4,000
Reel :
4,000
Details
SMD/SMT
VQFN-44
AVR
8 bit
20 MHz
1.8 V
5.5 V
Reel
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
ATMEGA1284-MUR
Microchip Technology
4,000:
$7.29
Non-Stocked Lead-Time 20 Weeks
Mouser Part No
556-ATMEGA1284-MUR
Microchip Technology
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
Non-Stocked Lead-Time 20 Weeks
Alternative Packaging
Buy
Min.: 4,000
Mult.: 4,000
Reel :
4,000
Details
SMD/SMT
MLF-44
AVR
8 bit
20 MHz
1.8 V
5.5 V
Reel
RF Microcontrollers - MCU 2.4GHZ 128K SOC 48pin Ind 125C
+1 image
ATMEGA1284RFR2-ZF
Microchip Technology
1:
$10.87
Non-Stocked Lead-Time 15 Weeks
Mouser Part No
556-ATMEGA1284RFR2ZF
Microchip Technology
RF Microcontrollers - MCU 2.4GHZ 128K SOC 48pin Ind 125C
Non-Stocked Lead-Time 15 Weeks
Alternative Packaging
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-48
AVR
8 bit
16 MHz
128 kB
16 kB
10 bit
38 I/O
1.8 V
3.6 V
+ 85 C
Tray