ATMEGA649-16AU vs ATMEGA128-16AU Comparison
Detailed side-by-side comparison of ATMEGA649-16AU by Microchip Technology and ATMEGA128-16AU 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
ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip
ATMEGA128-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649-16AU | ATMEGA128-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.27 | $14.30 |
| Core | 8-bit AVR RISC | — |
| Core Size | 8-bit | — |
| Max Clock Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) ISP, read-while-write | 128 KB (64K x 16) In-System Programmable |
| EEPROM | 2 KB | 4 KB |
| SRAM | 4 KB | 4 KB |
| GPIO | 54/69 general purpose I/O lines (package dependent) | — |
| Working Registers | 32 general purpose | — |
| LCD Controller | Integrated segment LCD driver | — |
| Debug / Test Interface | JTAG (boundary-scan and on-chip debug) | — |
| Package | 64-TQFP (14 x 14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | 4.5 V to 5.5 V (16 MHz speed grade) |
| Operating Temperature Range | Industrial, -40C to +85C (IND TEMP per part marking) | [DATA_NEEDED: exact min/max operating temperature] |
| Throughput | Up to 16 MIPS at 16 MHz | 16 MIPS at 16 MHz (approx. 1 MIPS per MHz) |
| ADC | On-chip 10-bit ADC | 8-channel 10-bit |
| Programming | In-System Programmable (ISP) Flash, ICSP via MPLAB SNAP | — |
| RoHS Status | Compliant (GREEN package per distributor data) | Compliant (RoHS Y) |
| Newer Device Available | ATMEGA649A | — |
| Core Architecture | — | 8-bit AVR RISC |
| Maximum Clock Frequency | — | 16 MHz |
| Debug Interface | — | JTAG for on-chip debugging |
| Temperature Grade | — | Industrial (IND TEMP) |
| External Memory Interface | — | Supported (up to 64 KB external data memory) |
| Serial Interfaces | — | 2x USART, SPI, Two-Wire Interface (I2C-compatible) |
| MSL Level | — | [DATA_NEEDED: MSL rating] |