ATMEGA128-16AUR vs ATMEGA64-16AU Comparison
Detailed side-by-side comparison of ATMEGA128-16AUR by Microchip Technology and ATMEGA64-16AU 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
ATMEGA128-16AUR - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip (Tape & Reel)
ATMEGA128-16AUR ✓ ActiveMicrochip Technology
ATMEGA64-16AU - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA64-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128-16AUR | ATMEGA64-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | — |
| 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) | — |
| ADC | 8-channel 10-bit | 8-channel, 10-bit |
| Debug Interface | JTAG for on-chip debugging | — |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm, 0.8 mm pitch) |
| 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) |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| Operating Temperature Range | [DATA_NEEDED: exact min/max operating temperature] | — |
| Program Memory Size | — | 64 KB Flash (32K x 16) |
| Flash Endurance | — | 10,000 write/erase cycles |
| Maximum CPU Speed | — | 16 MHz |
| General Purpose I/O Pins | — | 53 |
| General Purpose Working Registers | — | 32 |
| Operating Voltage | — | 4.5 V to 5.5 V (16 MHz); 2.7 V to 5.5 V (8 MHz) |
| Timer/Counters | — | 4 (two 8-bit, two 16-bit) with compare modes and PWM |
| USART Interfaces | — | 2 |
| Two-wire Serial Interface | — | 1 (byte oriented) |
| Real Time Counter | — | Yes (RTC) |
| Operating Temperature | — | -40 C to +85 C |
| JTAG Debug Interface | — | Yes (IEEE 1149.1 boundary-scan) |