ATMEGA168P-20AN vs ATMEGA328P-AU Comparison
Detailed side-by-side comparison of ATMEGA168P-20AN by Microchip Technology and ATMEGA328P-AU 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
ATMEGA168P-20AN - 16KB Flash 20MHz AVR MCU | Microchip
ATMEGA168P-20AN ✓ ActiveMicrochip Technology
ATMEGA328P-AU - 8-bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip
ATMEGA328P-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168P-20AN | ATMEGA328P-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Program Memory | 16 KB (8K x 16) ISP Flash | — |
| EEPROM | 512 B | 1 KB |
| SRAM | 1 KB | 2 KB |
| Maximum Clock Frequency | 20 MHz | — |
| Throughput | Up to 20 MIPS (1 MIPS/MHz) | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 23 lines | — |
| Working Registers | 32 x 8-bit | — |
| Instructions | 131 instructions, most single-cycle | — |
| Package | 32-TQFP (7x7 mm) | TQFP-32 (7x7 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | — |
| Terminal Form | Gull Wing | — |
| Series | AVR ATmega, picoPower | — |
| Programming | In-System Programmable (ICSP), read-while-write | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| CPU Speed | — | 20 MHz |
| Instruction Throughput | — | 20 MIPS |
| Flash Memory | — | 32 KB (16K x 16) |
| Operating Voltage | — | 1.8 V to 5.5 V |
| Operating Temperature | — | -40 C to +85 C |
| I/O Pins | — | 23 |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| PWM Channels | — | 6 |
| ADC | — | 8-channel 10-bit |
| Serial Interfaces | — | USART, SPI, I2C (TWI) |
| MSL Level | — | [DATA_NEEDED: MSL level] |