ATMEGA328-MMHR vs ATMEGA48A-MMHR Comparison
Detailed side-by-side comparison of ATMEGA328-MMHR by Microchip Technology and ATMEGA48A-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
ATMEGA328-MMHR - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA328-MMHR ✓ ActiveMicrochip Technology
ATMEGA48A-MMHR - 4KB AVR MCU, 20MHz, VQFN-28 | Microchip
ATMEGA48A-MMHR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328-MMHR | ATMEGA48A-MMHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.80 | $0.00 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 4 KB (2K x 16) ISP Flash |
| SRAM | 2 KB | 512 B |
| EEPROM | 512 B | 256 B |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Operating Temperature | -40C to +85C | [DATA_NEEDED: operating temperature range] |
| Number of I/O | 23 | — |
| ADC Channels | 6 x 10-bit | — |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | USART, SPI, 2-Wire (I2C) | — |
| Package | 28-VQFN (4x4 mm) Exposed Pad | 28-VQFN (4x4 mm), 0.45 mm pitch, 1.0 mm height |
| Mounting Type | Surface Mount | Surface Mount |
| Programming Interface | SPI ISP, debugWIRE | — |
| Sleep Modes | Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby | — |
| RoHS Status | Compliant (Green package) | [DATA_NEEDED: RoHS status] |
| Core Architecture | — | 8-bit AVR RISC |
| Core Frequency | — | 20 MHz |
| General Purpose I/O | — | 23 lines |
| Working Registers | — | 32 x 8-bit |
| Instructions | — | 131 instructions, most single-cycle |
| Timer/Counters | — | 3 flexible timer/counters with compare modes |
| Supply Voltage (min, reduced speed) | — | 1.8 V |
| Supply Voltage (full 20 MHz speed) | — | 4.5 V to 5.5 V |
| Lifecycle Status | — | Active |
| Programmability | — | In-System Programmable (ISP) Flash |