ATMEGA128-16AU vs ATMEGA649-16AU Comparison
Detailed side-by-side comparison of ATMEGA128-16AU by Microchip Technology and ATMEGA649-16AU 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 ✓ Active
Specification Comparison
| Parameter | ATMEGA128-16AU | ATMEGA649-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $14.30 | $6.27 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | 64 KB (32K x 16) ISP, read-while-write |
| SRAM | 4 KB | 4 KB |
| EEPROM | 4 KB | 2 KB |
| Maximum Clock Frequency | 16 MHz | — |
| Throughput | 16 MIPS at 16 MHz (approx. 1 MIPS per MHz) | Up to 16 MIPS at 16 MHz |
| Supply Voltage Range | 4.5 V to 5.5 V (16 MHz speed grade) | [DATA_NEEDED: supply voltage range] |
| ADC | 8-channel 10-bit | On-chip 10-bit ADC |
| Debug Interface | JTAG for on-chip debugging | — |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| 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) | — |
| RoHS Status | Compliant (RoHS Y) | Compliant (GREEN package per distributor data) |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| Operating Temperature Range | [DATA_NEEDED: exact min/max operating temperature] | Industrial, -40C to +85C (IND TEMP per part marking) |
| Core | — | 8-bit AVR RISC |
| Core Size | — | 8-bit |
| Max Clock Frequency | — | 16 MHz |
| 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) |
| Programming | — | In-System Programmable (ISP) Flash, ICSP via MPLAB SNAP |
| Newer Device Available | — | ATMEGA649A |