ATMEGA164P-20PU
vs
ATMEGA644PA-PU
feature comparison
All Stats
Differences Only
Rohs Code
Yes
Yes
Part Life Cycle Code
Transferred
Transferred
Ihs Manufacturer
ATMEL CORP
ATMEL CORP
Part Package Code
DIP
DIP
Package Description
0.600 INCH, GREEN, PLASTIC, MS-011AC, DIP-40
DIP, DIP40,.6
Pin Count
40
40
Reach Compliance Code
compliant
compliant
HTS Code
8542.31.00.01
8542.31.00.01
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
R-PDIP-T40
JESD-609 Code
e3
Length
52.324 mm
52.324 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
40
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
DIP
Package Equivalence Code
DIP40,.6
DIP40,.6
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
IN-LINE
IN-LINE
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
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
NO
NO
Technology
CMOS
CMOS
Temperature Grade
INDUSTRIAL
INDUSTRIAL
Terminal Finish
MATTE TIN
Terminal Form
THROUGH-HOLE
THROUGH-HOLE
Terminal Pitch
2.54 mm
2.54 mm
Terminal Position
DUAL
DUAL
Width
15.24 mm
15.24 mm
uPs/uCs/Peripheral ICs Type
MICROCONTROLLER, RISC
MICROCONTROLLER, RISC
Base Number Matches
2
2
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-PU with alternatives