ATMEGA644P-20MU
vs
ATMEGA164P-20PU
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Transferred
Transferred
Ihs Manufacturer
ATMEL CORP
ATMEL CORP
Part Package Code
QFN
DIP
Package Description
7 X 7 MM, 1.00 MM HEIGHT, 0.50 MM PITCH, GREEN, VQFN-44
0.600 INCH, GREEN, PLASTIC, MS-011AC, DIP-40
Pin Count
44
40
Reach Compliance Code
compliant
compliant
HTS Code
8542.31.00.01
8542.31.00.01
Core Architecture
AVR
Device Core
AVR
Clock Speed
20
Ram
4
Flash Memory
64
Can
0
Adc Channels
8
Adc Resolution
10
Has ADC
YES
YES
Additional Feature
IT ALSO OPERATES AT 10 MHZ WITH THE 2.7 V
OPERATES AT 2.7 V MIMIMUM SUPPLY AT 10 MHZ
Address Bus Width
Bit Size
8
8
CPU Family
AVR RISC
AVR RISC
Clock Frequency-Max
8.1 MHz
16 MHz
DAC Channels
NO
NO
DMA Channels
NO
NO
External Data Bus Width
JESD-30 Code
S-XQCC-N44
R-PDIP-T40
Length
7 mm
52.324 mm
Moisture Sensitivity Level
1
1
Number of I/O Lines
32
32
Number of Terminals
44
40
On Chip Program ROM Width
8
16
Operating Temperature-Max
85 °C
85 °C
Operating Temperature-Min
-40 °C
-40 °C
PWM Channels
YES
YES
Package Body Material
UNSPECIFIED
PLASTIC/EPOXY
Package Code
HVQCCN
DIP
Package Equivalence Code
LCC44,.28SQ,20
DIP40,.6
Package Shape
SQUARE
RECTANGULAR
Package Style
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
IN-LINE
Peak Reflow Temperature (Cel)
260
245
Qualification Status
Not Qualified
Not Qualified
RAM (bytes)
4096
1024
ROM (words)
65536
8192
ROM Programmability
FLASH
FLASH
Seated Height-Max
1 mm
4.826 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
NO
Technology
CMOS
CMOS
Temperature Grade
INDUSTRIAL
INDUSTRIAL
Terminal Form
NO LEAD
THROUGH-HOLE
Terminal Pitch
0.5 mm
2.54 mm
Terminal Position
QUAD
DUAL
Width
7 mm
15.24 mm
uPs/uCs/Peripheral ICs Type
MICROCONTROLLER, RISC
MICROCONTROLLER, RISC
Base Number Matches
2
2
Boundary Scan
YES
Format
FIXED POINT
Integrated Cache
NO
JESD-609 Code
e3
Low Power Mode
YES
Number of External Interrupts
3
Number of Serial I/Os
2
Number of Timers
3
On Chip Data RAM Width
8
Terminal Finish
MATTE TIN
Compare ATMEGA644P-20MU with alternatives
Compare ATMEGA164P-20PU with alternatives