ATMEGA164P-20PU
vs
ATMEGA644PA-MU
feature comparison
| Rohs Code |
Yes
|
Yes
|
| Part Life Cycle Code |
Transferred
|
Transferred
|
| Ihs Manufacturer |
ATMEL CORP
|
ATMEL CORP
|
| Part Package Code |
DIP
|
QFN
|
| Package Description |
0.600 INCH, GREEN, PLASTIC, MS-011AC, DIP-40
|
7 X 7 MM, 1 MM HEIGHT, 0.50 MM PITCH, GREEN, PLASTIC, MO-220VKKD-3, VQFN-44
|
| Pin Count |
40
|
44
|
| Reach Compliance Code |
compliant
|
compliant
|
| HTS Code |
8542.31.00.01
|
8542.31.00.01
|
| Samacsys Manufacturer |
Microchip
|
Microchip
|
| Has ADC |
YES
|
YES
|
| Additional Feature |
OPERATES AT 2.7 V MIMIMUM SUPPLY AT 10 MHZ
|
ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
|
| Address Bus Width |
|
|
| Bit Size |
8
|
8
|
| Boundary Scan |
YES
|
|
| CPU Family |
AVR RISC
|
AVR RISC
|
| Clock Frequency-Max |
16 MHz
|
20 MHz
|
| DAC Channels |
NO
|
NO
|
| DMA Channels |
NO
|
NO
|
| External Data Bus Width |
|
|
| Format |
FIXED POINT
|
|
| Integrated Cache |
NO
|
|
| JESD-30 Code |
R-PDIP-T40
|
S-PQCC-N44
|
| JESD-609 Code |
e3
|
|
| Length |
52.324 mm
|
7 mm
|
| Low Power Mode |
YES
|
|
| Moisture Sensitivity Level |
1
|
|
| Number of External Interrupts |
3
|
|
| Number of I/O Lines |
32
|
32
|
| Number of Serial I/Os |
2
|
|
| Number of Terminals |
40
|
44
|
| Number of Timers |
3
|
|
| On Chip Data RAM Width |
8
|
|
| On Chip Program ROM Width |
16
|
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 |
DIP
|
HVQCCN
|
| Package Equivalence Code |
DIP40,.6
|
LCC44,.28SQ,20
|
| Package Shape |
RECTANGULAR
|
SQUARE
|
| Package Style |
IN-LINE
|
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
|
| Peak Reflow Temperature (Cel) |
245
|
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| RAM (bytes) |
1024
|
4096
|
| ROM (words) |
8192
|
65536
|
| ROM Programmability |
FLASH
|
FLASH
|
| Seated Height-Max |
4.826 mm
|
1 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 |
NO
|
YES
|
| Technology |
CMOS
|
CMOS
|
| Temperature Grade |
INDUSTRIAL
|
INDUSTRIAL
|
| Terminal Finish |
MATTE TIN
|
|
| Terminal Form |
THROUGH-HOLE
|
NO LEAD
|
| Terminal Pitch |
2.54 mm
|
0.5 mm
|
| Terminal Position |
DUAL
|
QUAD
|
| Width |
15.24 mm
|
7 mm
|
| uPs/uCs/Peripheral ICs Type |
MICROCONTROLLER, RISC
|
MICROCONTROLLER, RISC
|
| Base Number Matches |
1
|
3
|
| Core Architecture |
|
AVR
|
| Device Core |
|
AVR
|
| Clock Speed |
|
20
|
| Ram |
|
4
|
| Flash Memory |
|
64
|
| Can |
|
0
|
| Adc Channels |
|
8
|
| Adc Resolution |
|
10
|
|
|
|
Compare ATMEGA164P-20PU with alternatives
Compare ATMEGA644PA-MU with alternatives