ATMEGA644PA-AU
vs
ATMEGA644P-20AU
feature comparison
| Rohs Code |
Yes
|
Yes
|
| Part Life Cycle Code |
Transferred
|
Transferred
|
| Ihs Manufacturer |
ATMEL CORP
|
ATMEL CORP
|
| Part Package Code |
QFP
|
QFP
|
| Package Description |
10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44
|
10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44
|
| Pin Count |
44
|
44
|
| Reach Compliance Code |
compliant
|
compliant
|
| HTS Code |
8542.31.00.01
|
8542.31.00.01
|
| Core Architecture |
AVR
|
AVR
|
| Device Core |
AVR
|
AVR
|
| Clock Speed |
20
|
20
|
| Ram |
4
|
4
|
| Flash Memory |
64
|
64
|
| Can |
0
|
0
|
| Adc Channels |
8
|
8
|
| Adc Resolution |
10
|
10
|
| Samacsys Manufacturer |
Microchip
|
Microchip
|
| Has ADC |
YES
|
YES
|
| Additional Feature |
ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
|
IT ALSO OPERATES AT 10 MHZ WITH THE 2.7 V
|
| Address Bus Width |
|
|
| Bit Size |
8
|
8
|
| CPU Family |
AVR RISC
|
AVR RISC
|
| Clock Frequency-Max |
20 MHz
|
8.1 MHz
|
| DAC Channels |
NO
|
NO
|
| DMA Channels |
NO
|
NO
|
| External Data Bus Width |
|
|
| JESD-30 Code |
S-PQFP-G44
|
S-PQFP-G44
|
| Length |
10 mm
|
10 mm
|
| Number of I/O Lines |
32
|
32
|
| Number of Terminals |
44
|
44
|
| On Chip Program ROM Width |
8
|
8
|
| Operating Temperature-Max |
85 °C
|
85 °C
|
| Operating Temperature-Min |
-40 °C
|
-40 °C
|
| PWM Channels |
YES
|
YES
|
| Package Body Material |
PLASTIC/EPOXY
|
PLASTIC/EPOXY
|
| Package Code |
TQFP
|
TQFP
|
| Package Equivalence Code |
TQFP44,.47SQ,32
|
TQFP44,.47SQ,32
|
| Package Shape |
SQUARE
|
SQUARE
|
| Package Style |
FLATPACK, THIN PROFILE
|
FLATPACK, THIN PROFILE
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| RAM (bytes) |
4096
|
4096
|
| ROM (words) |
65536
|
65536
|
| ROM Programmability |
FLASH
|
FLASH
|
| Seated Height-Max |
1.2 mm
|
1.2 mm
|
| Speed |
20 MHz
|
20 MHz
|
| Supply Current-Max |
9 mA
|
9 mA
|
| Supply Voltage-Max |
5.5 V
|
5.5 V
|
| Supply Voltage-Min |
4.5 V
|
4.5 V
|
| Supply Voltage-Nom |
5 V
|
5 V
|
| Surface Mount |
YES
|
YES
|
| Technology |
CMOS
|
CMOS
|
| Temperature Grade |
INDUSTRIAL
|
INDUSTRIAL
|
| Terminal Form |
GULL WING
|
GULL WING
|
| Terminal Pitch |
0.8 mm
|
0.8 mm
|
| Terminal Position |
QUAD
|
QUAD
|
| Width |
10 mm
|
10 mm
|
| uPs/uCs/Peripheral ICs Type |
MICROCONTROLLER, RISC
|
MICROCONTROLLER, RISC
|
| Base Number Matches |
2
|
2
|
| Moisture Sensitivity Level |
|
3
|
| Peak Reflow Temperature (Cel) |
|
260
|
|
|
|
Compare ATMEGA644PA-AU with alternatives
Compare ATMEGA644P-20AU with alternatives