ATMEGA64A-MU vs ATMEGA325A-MN Comparison
Detailed side-by-side comparison of ATMEGA64A-MU by Microchip Technology and ATMEGA325A-MN 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
ATMEGA64A-MU - 8-Bit AVR MCU, 16MHz, 64KB Flash | Microchip
ATMEGA64A-MU ✓ ActiveMicrochip Technology
ATMEGA325A-MN - 8-bit AVR MCU 32KB Flash 20MHz QFN-64 | Microchip
ATMEGA325A-MN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA64A-MU | ATMEGA325A-MN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.24 | $3.17 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max Clock Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) ISP, read-while-write | — |
| EEPROM | 2 KB | — |
| SRAM | 4 KB | — |
| General Purpose I/O | 53 lines | — |
| Working Registers | 32 | — |
| Timer/Counters | 4 (two 8-bit, two 16-bit) plus RTC | — |
| USART Interfaces | 2 | — |
| ADC | 8-channel 10-bit | — |
| TWI (I2C) | Yes, byte-oriented | — |
| SPI | Yes | — |
| JTAG Interface | Yes (on-chip debug and boundary scan) | — |
| Supply Voltage Range | [DATA_NEEDED: Supply Voltage Range] | — |
| Operating Temperature Range | [DATA_NEEDED: Operating Temperature Range] | — |
| Package | 64-QFN (9x9 mm), exposed pad, surface mount | — |
| Mounting Type | Surface Mount | — |
| Pin Compatibility | 100% pin compatible with ATmega103 | — |
| Program Memory Size | — | 32 KB (16K x 16) Flash |
| Program Memory Type | — | ISP Flash (read-while-write) |
| SRAM Size | — | 2 KB (2K x 8) |
| EEPROM Size | — | 1 KB |
| Maximum Clock Speed | — | 20 MHz |
| Number of I/O | — | 54 |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 130 instructions, most single-cycle |
| Debug Interface | — | JTAG (boundary scan + on-chip debug) |
| Oscillator Type | — | Internal RC |
| Package / Case | — | 64-VFQFN Exposed Pad (9x9 mm) |
| Operating Temperature | — | -40C to +105C |
| Mounting Style | — | Surface Mount |
| Packaging | — | Tube |
| Supply Voltage | — | [DATA_NEEDED: supply voltage range] |