ATMEGA168A-MU vs ATMEGA168-20MI Comparison
Detailed side-by-side comparison of ATMEGA168A-MU by Microchip Technology and ATMEGA168-20MI 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
ATMEGA168A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip
ATMEGA168A-MU β ActiveMicrochip Technology
ATMEGA168-20MI - 8-bit AVR MCU 20MHz 16KB Flash QFN-32 | Microchip
ATMEGA168-20MI β ActiveSpecification Comparison
| Parameter | ATMEGA168A-MU | ATMEGA168-20MI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.38 | $2.92 |
| Core Architecture | 8-bit AVR RISC | β |
| Flash Memory | 16 KB (8K x 16) ISP | β |
| EEPROM | 512 B | β |
| SRAM | 1 KB | β |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Maximum Throughput | 20 MIPS at 20 MHz | β |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O Lines | 23 | β |
| Working Registers | 32 x 8-bit general purpose | β |
| Timer/Counters | 3 flexible with compare modes | β |
| ADC | 10-bit, 6-channel (QFN package) | β |
| Serial Interfaces | USART, SPI, 2-wire (I2C/TWI) | β |
| Package | 32-VQFN (5x5 mm) exposed pad | 32-pad VQFN / MLF (HVQCCN), square, no-lead |
| Mounting Type | Surface Mount | Surface Mount |
| Lifecycle Status | Active | β |
| Data Bus Width | 8 bit | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Instruction Set | 133 instructions, mostly single-cycle | β |
| Core | β | AVR 8-bit RISC |
| Program Memory Size | β | 16 KB Flash |
| SRAM Size | β | 1 KB |
| EEPROM Size | β | 512 B |
| ADC Resolution | β | 10-bit |
| ADC Channels | β | 8 |
| Communication Interfaces | β | I2C, SPI, UART/USART |
| Timers | β | Three timer/counters with compare modes and PWM |
| I/O Pins | β | 23 general purpose I/O lines |
| On-Chip Debug | β | DebugWIRE |
| Programming | β | ISP (SPI), self-programming Flash with boot loader support |
| RoHS Status | β | Compliant (GREEN) |