ATMEGA88-20PI vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA88-20PI by Microchip Technology and ATMEGA328P-PU 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
ATMEGA88-20PI - 8KB Flash 20MHz AVR MCU 28-DIP | Microchip
ATMEGA88-20PI ObsoleteMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU β ActiveSpecification Comparison
| Parameter | ATMEGA88-20PI | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Obsolete | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $0.00 |
| Core Processor | AVR | β |
| Core Size | 8-bit | β |
| Max Clock Speed | 20 MHz | β |
| Program Memory Size | 8 KB (4K x 16) FLASH | β |
| Program Memory Type | FLASH (ISP, self-programming, read-while-write) | β |
| SRAM Size | 1 KB | β |
| EEPROM Size | 512 B | β |
| Operating Voltage Range | 1.8 V to 5.5 V | β |
| Connectivity | I2C, SPI, UART/USART | β |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | β |
| Number of I/O | 23 | β |
| ADC | 8-channel, 10-bit | 10-bit |
| Timers | 3 timer/counters with compare and PWM modes | β |
| Instructions | 131 instructions, most single-cycle | 131 instructions, most single-cycle |
| Throughput | Up to 20 MIPS at 20 MHz | β |
| On-Chip Debug | debugWIRE | β |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| Package | 28-PDIP (0.300 in, 7.62 mm) | 28-PDIP |
| Mounting Type | Through Hole | Through Hole |
| Part Status | Obsolete | β |
| Core Architecture | β | 8-bit AVR RISC |
| Flash Program Memory | β | 32 KB (16K x 16) |
| EEPROM | β | 1 KB |
| SRAM | β | 2 KB |
| Maximum Clock Frequency | β | 20 MHz |
| Typical Arduino Clock Frequency | β | 16 MHz |
| Supply Voltage Range | β | 4.5 V to 5.5 V |
| General Purpose I/O Lines | β | 23 |
| Working Registers | β | 32 general purpose |
| In-System Programming | β | Yes (ISP, read-while-write) |
| Product Series | β | AVR ATmega |
| Interface Peripherals | β | USART, SPI, TWI (I2C) |
| RoHS Status | β | [DATA_NEEDED: RoHS status] |