ATMEGA128-16AU vs ATMEGA64-16AU Comparison
Detailed side-by-side comparison of ATMEGA128-16AU 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
ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip
ATMEGA128-16AU β ActiveMicrochip Technology
ATMEGA64-16AU - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA64-16AU β ActiveSpecification Comparison
| Parameter | ATMEGA128-16AU | ATMEGA64-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $14.30 | $7.23 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | β |
| SRAM | 4 KB | 4 KB |
| EEPROM | 4 KB | 2 KB |
| Maximum Clock Frequency | 16 MHz | β |
| 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) | β |
| ADC | 8-channel 10-bit | 8-channel, 10-bit |
| Debug Interface | JTAG for on-chip debugging | β |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial (IND TEMP) | β |
| External Memory Interface | Supported (up to 64 KB external data memory) | β |
| Serial Interfaces | 2x USART, SPI, Two-Wire Interface (I2C-compatible) | β |
| RoHS Status | Compliant (RoHS Y) | Compliant (GREEN) |
| MSL Level | [DATA_NEEDED: MSL rating] | β |
| Operating Temperature Range | [DATA_NEEDED: exact min/max operating temperature] | β |
| Program Memory Size | β | 64 KB Flash (32K x 16) |
| Flash Endurance | β | 10,000 write/erase cycles |
| Maximum CPU Speed | β | 16 MHz |
| General Purpose I/O Pins | β | 53 |
| General Purpose Working Registers | β | 32 |
| Operating Voltage | β | 4.5 V to 5.5 V (16 MHz); 2.7 V to 5.5 V (8 MHz) |
| Timer/Counters | β | 4 (two 8-bit, two 16-bit) with compare modes and PWM |
| USART Interfaces | β | 2 |
| Two-wire Serial Interface | β | 1 (byte oriented) |
| Real Time Counter | β | Yes (RTC) |
| Operating Temperature | β | -40 C to +85 C |
| JTAG Debug Interface | β | Yes (IEEE 1149.1 boundary-scan) |