ATMEGA328P-20PU Atmel, ATMEGA328P-20PU Datasheet - Page 311

• Manufacturer Part Number: ATMEGA328P-20PU
• Manufacturer: Atmel

Specifications of ATMEGA328P-20PU

• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: SPI/TWI/USART
• Program Memory Type: Flash
• Program Memory Size: 32KB
• Total Internal Ram Size: 2KB
• # I/os (max): 23
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 6-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Through Hole
• Pin Count: 28
• Package Type: PDIP
• Lead Free Status / Rohs Status: Compliant

28.3
8025K–AVR–10/09
3. The current consumption values include input leakage current.
4. Maximum values are characterized values and not test limits in production.
Speed Grades
Maximum frequency is dependent on V
mum Frequency vs. V
4.5V.
Figure 28-1. Maximum Frequency vs. V
Figure 28-2. Maximum Frequency vs. V
20 MHz
20 MHz
10 MHz
10 MHz
4 MHz
4 MHz
1.8V
1.8V
CC
curve is linear between 1.8V < V
2.7V
2.7V
CC.
CC
CC
As shown in
, ATmega48P/88P/168PV
, ATmega48P/88P/168P
Safe Operating Area
Safe Operating Area
ATmega48P/88P/168P
Figure 28-1
CC
< 2.7V and between 2.7V < V
4.5V
4.5V
and
Figure
28-2, the Maxi-
5.5V
5.5V
CC
311
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