ATMEGA168A-MU vs ATMEGA168A-MMHR Comparison
Detailed side-by-side comparison of ATMEGA168A-MU by Microchip Technology and ATMEGA168A-MMHR 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 ✓ ActiveMicrochip Technology
ATMEGA168A-MMHR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-MMHR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168A-MU | ATMEGA168A-MMHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 16 KB (8K x 16) ISP | — |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Maximum Throughput | 20 MIPS at 20 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O Lines | 23 | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Timer/Counters | 3 flexible with compare modes | — |
| ADC | 10-bit, 6-channel (QFN package) | 10-bit successive approximation |
| Serial Interfaces | USART, SPI, 2-wire (I2C/TWI) | — |
| Package | 32-VQFN (5x5 mm) exposed pad | 28-VQFN (4x4 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Lifecycle Status | Active | — |
| Data Bus Width | 8 bit | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40 C to +85 C |
| Instruction Set | 133 instructions, mostly single-cycle | 133 powerful instructions, most single-cycle |
| Program Memory | — | 16 KB Flash (8K x 16) |
| Operating Voltage | — | 1.8 V to 5.5 V |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| General Purpose I/O | — | 23 lines |
| General Purpose Registers | — | 32 (8-bit) |
| Timers | — | Two 8-bit, one 16-bit with PWM |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Internal Oscillator | — | 8 MHz calibrated RC |
| RoHS Status | — | Compliant |