ATMEGA48A-PU vs ATMEGA48P-20PU Comparison

Detailed side-by-side comparison of ATMEGA48A-PU by Microchip Technology and ATMEGA48P-20PU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Microchip Technology
ATMEGA48A-PU ATMEGA48A-PU - 8-bit AVR MCU 4KB Flash 20MHz DIP-28 | Microchip

ATMEGA48A-PU - 8-bit AVR MCU 4KB Flash 20MHz DIP-28 | Microchip

ATMEGA48A-PU ✓ Active
Microchip Technology
ATMEGA48P-20PU ATMEGA48P-20PU - 8-bit AVR MCU 4KB Flash 20MHz PDIP-28 | Microchip

ATMEGA48P-20PU - 8-bit AVR MCU 4KB Flash 20MHz PDIP-28 | Microchip

ATMEGA48P-20PU ✓ Active

Specification Comparison

Parameter ATMEGA48A-PU ATMEGA48P-20PU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $0.78 $1.05
Core AVR 8-bit RISC —
Core Size 8-bit —
Speed 20 MHz —
Flash Memory 4 KB (2K x 16) 4 KB (2K x 16) ISP
EEPROM 256 B 256 B
SRAM 512 B 512 B
Supply Voltage 4.5 V to 5.5 V —
I/O Count 23 —
Timers 2 x 8-bit, 1 x 16-bit —
ADC 10-bit, 6 channels —
Serial Interfaces USART, SPI, I2C (TWI) —
Operating Temperature -40C to +85C 0C to 70C
Package 28-PDIP (through-hole) 28-PDIP (0.300 inch, 7.62 mm)
Mounting Type Through Hole Through Hole
Life Cycle Stage ACTIVE —
ISP Capability In-System Programmable Flash —
Sleep Modes 6 modes —
Core Architecture — 8-bit AVR RISC
Maximum Clock Frequency — 20 MHz
Operating Voltage Range — 1.8 V to 5.5 V
General Purpose I/O — 23 lines
Working Registers — 32 x 8-bit general purpose
Timers/Counters — 3 (two 8-bit, one 16-bit)
ADC Resolution — 10-bit, 8 channels
Communication Interfaces — USART, SPI (USI), I2C-compatible
Low Power Technology — picoPower, 6 power-saving modes
RoHS Status — Compliant
In-System Programmable — Yes (SPI ISP)

Datasheets & Resources

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