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