ATMEGA88A-AU vs ATMEGA328P-AU Comparison
Detailed side-by-side comparison of ATMEGA88A-AU by Microchip Technology and ATMEGA328P-AU 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
ATMEGA328P-AU - 8-bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip
ATMEGA328P-AU β ActiveSpecification Comparison
| Parameter | ATMEGA88A-AU | ATMEGA328P-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.52 | $1.85 |
| Core Architecture | 8-bit AVR RISC | β |
| Program Memory Size | 8 KB (4K x 16) Flash | β |
| Program Memory Type | Flash (ISP, read-while-write) | β |
| EEPROM | 512 B | 1 KB |
| SRAM | 1 KB | 2 KB |
| Maximum Clock Frequency | 20 MHz | β |
| Operating Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Supply Voltage (20 MHz operation) | 4.5 V to 5.5 V | β |
| General Purpose I/O Lines | 23 | β |
| General Purpose Working Registers | 32 | β |
| ADC | 8-channel, 10-bit successive approximation | 8-channel, 10-bit |
| Timers/Counters | 3 (two 8-bit, one 16-bit) with compare modes | β |
| Serial Interfaces | USART, SPI, TWI (I2C) | USART, SPI, I2C (TWI) |
| Package | 32-pin TQFP (7x7 mm, 0.80 mm pitch) | TQFP-32 (7x7 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C | -40C to +85C |
| Instruction Set | 130 powerful instructions, most single-clock cycle | β |
| Power-Down Current | Sub-1 uA (picoPower technology) | β |
| RoHS Status | Compliant | Compliant |
| Packaging | Tray | β |
| Core Processor | β | AVR 8-bit RISC |
| Core Size | β | 8-bit |
| Speed | β | 20 MHz |
| Performance | β | 20 MIPS at 20 MHz |
| FLASH Program Memory | β | 32 KB (16K x 16) |
| General Purpose I/O | β | 23 lines |
| Timers | β | 2 x 8-bit, 1 x 16-bit |
| PWM Channels | β | 6 |
| Sleep Mode Current | β | 0.2 uA typical (Power-down, picoPower) |
| FLASH Endurance | β | 10,000 write/erase cycles |
| Debug System | β | debugWIRE on-chip debug |