ATMEGA328P-MU
vs
ATMEGA328P-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
5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, GREEN, PLASTIC, MO-220VHHD-2, MLF-32
7.62MM, GREEN, PLASTIC, DIP-28
Pin Count
32
28
Reach Compliance Code
compliant
unknown
HTS Code
8542.31.00.01
8542.31.00.01
Core Architecture
AVR
AVR
Device Core
AVR
AVR
Clock Speed
20
20
Ram
2
2
Flash Memory
32
32
Can
0
0
Adc Channels
8
8
Adc Resolution
10
10
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 2.7V AT 10 MHZ
Address Bus Width
Bit Size
8
8
Boundary Scan
NO
CPU Family
AVR RISC
Clock Frequency-Max
20 MHz
20 MHz
DAC Channels
NO
NO
DMA Channels
NO
NO
External Data Bus Width
Format
FIXED POINT
Integrated Cache
NO
JESD-30 Code
S-PQCC-N32
R-PDIP-T28
Length
5 mm
34.167 mm
Low Power Mode
YES
Number of External Interrupts
2
Number of I/O Lines
23
23
Number of Serial I/Os
1
Number of Terminals
32
28
Number of Timers
3
On Chip Data RAM Width
8
On Chip Program ROM Width
16
16
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
HVQCCN
DIP
Package Equivalence Code
LCC32,.2SQ,20
Package Shape
SQUARE
RECTANGULAR
Package Style
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
IN-LINE
Peak Reflow Temperature (Cel)
NOT SPECIFIED
Qualification Status
Not Qualified
Not Qualified
RAM (bytes)
2048
2048
ROM (words)
16384
16384
ROM Programmability
FLASH
FLASH
Seated Height-Max
1 mm
4.5724 mm
Speed
20 MHz
20 MHz
Supply Current-Max
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
Time@Peak Reflow Temperature-Max (s)
NOT SPECIFIED
Width
5 mm
7.62 mm
uPs/uCs/Peripheral ICs Type
MICROCONTROLLER, RISC
MICROCONTROLLER, RISC
Base Number Matches
2
2
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