ATMEGA8A-PU vs ATMEGA88-20PI Comparison
Detailed side-by-side comparison of ATMEGA8A-PU by Microchip Technology and ATMEGA88-20PI 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
ATMEGA8A-PU - 8-bit AVR MCU 16MHz 8KB Flash DIP-28 | Microchip
ATMEGA8A-PU β ActiveMicrochip Technology
ATMEGA88-20PI - 8KB Flash 20MHz AVR MCU 28-DIP | Microchip
ATMEGA88-20PI ObsoleteSpecification Comparison
| Parameter | ATMEGA8A-PU | ATMEGA88-20PI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.86 | $1.85 |
| Core Architecture | 8-bit AVR RISC | β |
| Maximum Clock Frequency | 16 MHz | β |
| Flash Memory | 8 KB (4K x 16) ISP | β |
| SRAM | 1 KB | β |
| EEPROM | 512 B | β |
| Operating Voltage Range | 4.5 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O Lines | 23 | β |
| Throughput | 16 MIPS at 16 MHz | Up to 20 MIPS at 20 MHz |
| Instructions | 130 instructions, most single-cycle | 131 instructions, most single-cycle |
| Working Registers | 32 x 8 general purpose | β |
| Timers/Counters | Three flexible timer/counters with compare | β |
| Package | 28-PDIP | 28-PDIP (0.300 in, 7.62 mm) |
| Mounting Type | Through Hole | Through Hole |
| Life Cycle Stage | Active | β |
| Series | AVR ATmega | β |
| Hardware Multiplier | On-chip 2-cycle multiplier | β |
| Programming Interface | In-System Programming (ISP) via SPI | β |
| Core Processor | β | AVR |
| Core Size | β | 8-bit |
| Max Clock Speed | β | 20 MHz |
| Program Memory Size | β | 8 KB (4K x 16) FLASH |
| Program Memory Type | β | FLASH (ISP, self-programming, read-while-write) |
| SRAM Size | β | 1 KB |
| EEPROM Size | β | 512 B |
| Connectivity | β | I2C, SPI, UART/USART |
| Peripherals | β | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | β | 23 |
| ADC | β | 8-channel, 10-bit |
| Timers | β | 3 timer/counters with compare and PWM modes |
| On-Chip Debug | β | debugWIRE |
| Operating Temperature | β | -40C to +85C (industrial) |
| Part Status | β | Obsolete |