ATMEGA88PA-AU vs ATMEGA328P-AN Comparison
Detailed side-by-side comparison of ATMEGA88PA-AU by Microchip Technology and ATMEGA328P-AN 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-AN - 8-Bit 20MHz AVR MCU 32KB Flash | Microchip
ATMEGA328P-AN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA88PA-AU | ATMEGA328P-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 8 KB (4K x 16) | 32 KB (16K × 16) |
| EEPROM | 512 B | 1 KB |
| SRAM | 1 KB | 2 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Number of I/O Lines | 23 | — |
| Working Registers | 32 general purpose | — |
| Timers/Counters | 3 (two 8-bit, one 16-bit) | — |
| ADC Resolution | 10-bit, 8 channels | — |
| Serial Interfaces | USART, SPI, TWI (I2C-compatible) | — |
| Package | 32-TQFP, 7x7 mm, 0.8 mm pitch | 32-TQFP (7 mm × 7 mm) |
| Mounting Type | Surface Mount | Surface mount |
| Life Cycle Stage | Active | — |
| Sleep Modes | 6 (incl. picoPower Power-down) | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | 105°C |
| Product Type | — | 8-bit AVR RISC-based microcontroller |
| General-Purpose I/O Lines | — | 23 |
| General-Purpose Working Registers | — | 32 |
| Timer/Counter Count | — | 3 |
| Timer/Counter Features | — | Compare modes |
| Serial Communication | — | USART |
| Two-Wire Interface | — | Byte-oriented |
| Interrupt Support | — | Internal and external interrupts |
| Programming | — | In-system programmable ISP Flash |
| Flash Read-While-Write | — | Supported |
| Pricing Reference | — | LCSC price from $3.3765 as of 2026-10-21 |