ATMEGA88-20AI vs ATMEGA48-20AU Comparison
Detailed side-by-side comparison of ATMEGA88-20AI by Microchip Technology and ATMEGA48-20AU 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
ATMEGA88-20AI - 8-bit AVR MCU 20MHz 8KB Flash TQFP-32 | Microchip
ATMEGA88-20AI ✓ ActiveMicrochip Technology
ATMEGA48-20AU - 8-bit AVR MCU 20MHz 4KB Flash | Microchip
ATMEGA48-20AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA88-20AI | ATMEGA48-20AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Program Memory | 8 KB (4K x 16) | — |
| EEPROM | 512 B | 256 B |
| SRAM | 1 KB | 512 B |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Max Clock at Full Voltage | 20 MHz at 4.5 V to 5.5 V | — |
| GPIO Count | 23 | — |
| ADC Resolution | 10-bit, 8 channels | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | USART, SPI, TWI (I2C) |
| Timers | Two 8-bit, one 16-bit | — |
| MIPS Throughput | Up to 20 MIPS at 20 MHz | — |
| Operating Temperature | -40C to +85C | -40C to +85C (industrial) |
| Package | 32-TQFP (7x7 mm) | 32-pin TQFP (7x7 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | — |
| On-Chip Debug | DebugWIRE | — |
| Programming | ISP, read-while-write Flash | — |
| Reset/Brown-out | Power-on Reset, Brown-out Detect/Reset | — |
| Core Architecture | — | 8-bit AVR RISC (enhanced) |
| Program Memory (Flash) | — | 4 KB (2K x 16) |
| Maximum CPU Frequency | — | 20 MHz |
| Throughput | — | Up to 20 MIPS |
| Supply Voltage (Vcc) | — | 4.5 V to 5.5 V |
| I/O Pins | — | 23 |
| ADC | — | 6-channel, 10-bit |
| Timer/Counters | — | 3 (2x 8-bit, 1x 16-bit) |
| On-chip Debug | — | debugWIRE |
| In-System Programming | — | Yes (SPI) |
| Sleep Modes | — | 6 (Idle, ADC NR, Power-save, Power-down, Standby, Ext Standby) |
| Watchdog Timer | — | Programmable, with on-chip oscillator |
| RoHS Status | — | Compliant |