ATMEGA88-20MJ vs ATMEGA328P-MU Comparison
Detailed side-by-side comparison of ATMEGA88-20MJ by Microchip Technology and ATMEGA328P-MU 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
ATMEGA88-20MJ - 8-bit AVR MCU 20MHz 8KB Flash VQFN-32 | Microchip
ATMEGA88-20MJ β Active
Specification Comparison
| Parameter | ATMEGA88-20MJ | ATMEGA328P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Nrnd |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.24 | $1.28 |
| Core Architecture | 8-bit AVR RISC (Harvard) | β |
| Maximum Clock Frequency | 20 MHz | β |
| Peak Throughput | Up to 20 MIPS at 20 MHz | β |
| Flash Program Memory | 8 KB (4K x 16), ISP, self-programming | β |
| SRAM | 1 KB | β |
| EEPROM | 512 B | β |
| Supply Voltage Range | 1.8 V to 5.5 V (4.5 V to 5.5 V for 20 MHz speed grade) | 1.8 V to 5.5 V |
| General Purpose I/O | 23 I/O lines | β |
| Working Registers | 32 x 8-bit general purpose | β |
| Instructions | 131 instructions, most single-cycle | β |
| ADC | 8-channel 10-bit with internal reference | β |
| Timers | 1 x 8-bit, 1 x 16-bit with compare/PWM | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | I2C (Two-Wire), SPI, UART/USART | USART, SPI, I2C (TWI) |
| On-Chip Debug | DebugWIRE | β |
| Package | 32-VQFN (MLF) 5x5 mm | 32-VQFN (5x5 mm) |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | β |
| Mounting Type | Surface Mount | Surface Mount |
| Core Processor | β | AVR 8-bit RISC |
| Core Size | β | 8-bit |
| Speed | β | 20 MHz |
| Program Memory Size | β | 32 KB (16K x 16) Flash |
| EEPROM Size | β | 1 KB |
| RAM Size | β | 2 KB |
| Number of I/O | β | 23 |
| ADC Resolution | β | 10-bit |
| ADC Channels | β | 8 (6 external + 2 multiplexed) |
| Peripherals | β | Brown-out Detect/Reset, POR, PWM, WDT |
| Operating Temperature | β | -40C to +85C |
| Programming | β | ISP, debugWIRE |
| Oscillator Type | β | Internal |