8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN
ATMEGA644PA-MN
Microchip Technology
1:
$6.78
366 In Stock
Mouser Part #
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
$6.78
25
$6.20
100
$5.62
Buy
Min.: 1
Mult.: 1
Details
AVR
64 kB
4 kB
VQFN-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega644
Tray
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-MU
Microchip Technology
1:
$5.53
419 In Stock
Mouser Part #
556-ATMEGA644A-MU
Microchip Technology
8-bit Microcontrollers - MCU 20 MHz Ind Temp
419 In Stock
Alternative Packaging
1
$5.53
25
$5.06
100
$4.58
Buy
Min.: 1
Mult.: 1
Details
AVR
64 kB
4 kB
VQFN-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega644
Tray
8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM
ATMEGA1284P-MUR
Microchip Technology
1:
$7.15
3,576 In Stock
Mouser Part #
556-ATMEGA1284P-MUR
Microchip Technology
8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM
3,576 In Stock
Alternative Packaging
1
$7.15
25
$6.97
4,000
$5.92
Buy
Min.: 1
Mult.: 1
Reel :
4,000
Details
AVR
128 kB
16 kB
VQFN-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega1284
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM
ATMEGA1284P-AUR
Microchip Technology
1:
$7.15
3,527 In Stock
Mouser Part #
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
$7.15
25
$6.97
2,000
$5.92
Buy
Min.: 1
Mult.: 1
Reel :
2,000
Details
AVR
128 kB
16 kB
TQFP-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega1284
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ IND TEMP,8V
ATMEGA164PA-AUR
Microchip Technology
1:
$4.61
4,943 In Stock
Mouser Part #
556-ATMEGA164PA-AUR
Microchip Technology
8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ IND TEMP,8V
4,943 In Stock
Alternative Packaging
1
$4.61
25
$4.49
2,000
$3.81
Buy
Min.: 1
Mult.: 1
Reel :
2,000
Details
AVR
16 kB
1 kB
TQFP-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega164
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
ATMEGA1284-AU
Microchip Technology
1:
$6.30
4,236 In Stock
Mouser Part #
556-ATMEGA1284-AU
Microchip Technology
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
4,236 In Stock
Alternative Packaging
1
$6.30
25
$5.78
100
$5.22
Buy
Min.: 1
Mult.: 1
Details
AVR
128 kB
16 kB
TQFP-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega1284
Tray
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
ATMEGA1284P-AU
Microchip Technology
1:
$6.99
10,983 In Stock
Mouser Part #
556-ATMEGA1284P-AU
Microchip Technology
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
10,983 In Stock
Alternative Packaging
1
$6.99
25
$6.42
100
$5.80
Buy
Min.: 1
Mult.: 1
Details
AVR
128 kB
16 kB
TQFP-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega1284
Tray
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
ATMEGA1284-PU
Microchip Technology
1:
$6.93
898 In Stock
Mouser Part #
556-ATMEGA1284-PU
Microchip Technology
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
898 In Stock
1
$6.93
30
$6.36
100
$5.76
Buy
Min.: 1
Mult.: 1
Details
AVR
128 kB
16 kB
PDIP-40
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
ATmega1284
Tube
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-AU
Microchip Technology
1:
$5.53
932 In Stock
2,080 Expected 9/28/2026
Mouser Part #
556-ATMEGA644A-AU
Microchip Technology
8-bit Microcontrollers - MCU 20 MHz Ind Temp
932 In Stock
2,080 Expected 9/28/2026
Alternative Packaging
1
$5.53
25
$5.06
100
$4.58
Buy
Min.: 1
Mult.: 1
Details
AVR
64 kB
4 kB
TQFP-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega644
Tray
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-AUR
Microchip Technology
1:
$5.67
558 In Stock
Mouser Part #
556-ATMEGA644A-AUR
Microchip Technology
8-bit Microcontrollers - MCU 20 MHz Ind Temp
558 In Stock
Alternative Packaging
1
$5.67
25
$5.54
2,000
$4.71
Buy
Min.: 1
Mult.: 1
Reel :
2,000
Details
AVR
64 kB
4 kB
TQFP-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega644
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
ATMEGA644PA-AU
Microchip Technology
1:
$6.44
686 In Stock
Mouser Part #
556-ATMEGA644PA-AU
Microchip Technology
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
686 In Stock
Alternative Packaging
1
$6.44
25
$5.91
100
$5.36
Buy
Min.: 1
Mult.: 1
Details
AVR
64 kB
4 kB
TQFP-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega644
Tray
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
ATMEGA644PA-PU
Microchip Technology
1:
$6.86
650 In Stock
Mouser Part #
556-ATMEGA644PA-PU
Microchip Technology
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
650 In Stock
1
$6.86
30
$6.27
100
$5.69
Buy
Min.: 1
Mult.: 1
Details
AVR
64 kB
4 kB
PDIP-40
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
ATmega644
Tube
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
ATMEGA1284-AUR
Microchip Technology
1:
$6.48
812 In Stock
Mouser Part #
556-ATMEGA1284-AUR
Microchip Technology
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
812 In Stock
Alternative Packaging
1
$6.48
25
$6.32
2,000
$5.38
Buy
Min.: 1
Mult.: 1
Reel :
2,000
Details
AVR
128 kB
16 kB
TQFP-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega1284
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP
ATMEGA644PA-AN
Microchip Technology
1:
$6.72
255 In Stock
480 Expected 10/5/2026
Mouser Part #
556-ATMEGA644PA-AN
Microchip Technology
8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP
255 In Stock
480 Expected 10/5/2026
1
$6.72
25
$6.15
100
$5.57
Buy
Min.: 1
Mult.: 1
Details
AVR
64 kB
4 kB
TQFP-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega644
Tray
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
ATMEGA1284P-MU
Microchip Technology
1:
$6.99
100 In Stock
360 Expected 10/23/2026
Mouser Part #
556-ATMEGA1284P-MU
Microchip Technology
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
100 In Stock
360 Expected 10/23/2026
Alternative Packaging
1
$6.99
25
$6.42
100
$5.80
Buy
Min.: 1
Mult.: 1
Details
AVR
128 kB
16 kB
VQFN-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega1284
Tray
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
ATMEGA1284P-PU
Microchip Technology
1:
$7.43
10 In Stock
2,000 On Order
Mouser Part #
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
On Order:
800 Expected 1/4/2027
1,200 Expected 1/18/2027
Factory Lead-Time:
7 Weeks
1
$7.43
30
$6.81
100
$6.16
Buy
Min.: 1
Mult.: 1
Details
AVR
128 kB
16 kB
PDIP-40
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
ATmega1284
Tube
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-PU
Microchip Technology
1:
$5.90
12 In Stock
390 Expected 11/16/2026
Mouser Part #
556-ATMEGA644A-PU
Microchip Technology
8-bit Microcontrollers - MCU 20 MHz Ind Temp
12 In Stock
390 Expected 11/16/2026
1
$5.90
30
$5.40
100
$4.89
Buy
Min.: 1
Mult.: 1
Details
AVR
64 kB
4 kB
PDIP-40
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
ATmega644
Tube
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
ATMEGA644PA-AUR
Microchip Technology
1:
$6.60
95 In Stock
4,000 Expected 11/13/2026
Mouser Part #
556-ATMEGA644PA-AUR
Microchip Technology
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
95 In Stock
4,000 Expected 11/13/2026
Alternative Packaging
1
$6.60
25
$6.45
2,000
$5.48
Buy
Min.: 1
Mult.: 1
Reel :
2,000
Details
AVR
64 kB
4 kB
TQFP-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega644
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
ATMEGA644PA-MU
Microchip Technology
1:
$6.44
71 In Stock
720 Expected 9/29/2026
Mouser Part #
556-ATMEGA644PA-MU
Microchip Technology
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
71 In Stock
720 Expected 9/29/2026
Alternative Packaging
1
$6.44
25
$5.91
100
$5.36
Buy
Min.: 1
Mult.: 1
Details
AVR
64 kB
4 kB
QFN-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega644
Tray
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
ATMEGA1284-MU
Microchip Technology
1:
$6.30
101 In Stock
360 Expected 2/22/2027
Mouser Part #
556-ATMEGA1284-MU
Microchip Technology
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
101 In Stock
360 Expected 2/22/2027
Alternative Packaging
1
$6.30
25
$5.78
100
$5.22
Buy
Min.: 1
Mult.: 1
Details
AVR
128 kB
16 kB
MLF-44
20 MHz
10 bit
32 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
ATmega1284
Tray
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-MUR
Microchip Technology
4,000:
$4.71
Non-Stocked Lead-Time 8 Weeks
Mouser Part #
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
AVR
VQFN-44
20 MHz
1.8 V
5.5 V
SMD/SMT
8 bit
ATmega644
Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C
ATMEGA644PA-MNR
Microchip Technology
4,000:
$5.71
Non-Stocked Lead-Time 12 Weeks
Mouser Part #
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
AVR
VQFN-44
20 MHz
1.8 V
5.5 V
SMD/SMT
8 bit
ATmega644
Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
ATMEGA644PA-MUR
Microchip Technology
4,000:
$5.44
Non-Stocked Lead-Time 12 Weeks
Mouser Part #
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
AVR
VQFN-44
20 MHz
1.8 V
5.5 V
SMD/SMT
8 bit
ATmega644
Reel
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
ATMEGA1284-MUR
Microchip Technology
4,000:
$5.36
Non-Stocked Lead-Time 20 Weeks
Mouser Part #
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
AVR
MLF-44
20 MHz
1.8 V
5.5 V
SMD/SMT
8 bit
ATmega1284
Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C
ATMEGA644PA-ANR
Microchip Technology
2,000:
$5.71
Non-Stocked Lead-Time 19 Weeks
Mouser Part #
556-ATMEGA644PA-ANR
Microchip Technology
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C
Non-Stocked Lead-Time 19 Weeks
Buy
Min.: 2,000
Mult.: 2,000
Reel :
2,000
Details
AVR
TQFP-44
20 MHz
1.8 V
5.5 V
SMD/SMT
8 bit
ATmega644
Reel