ATMEGA64-16AU vs ATMEGA64A-AU Comparison
Detailed side-by-side comparison of ATMEGA64-16AU by Microchip Technology and ATMEGA64A-AU 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 ✓ ActiveMicrochip Technology
ATMEGA64A-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip (Tape & Reel)
ATMEGA64A-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA64-16AU | ATMEGA64A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 64 KB Flash (32K x 16) | 64KB (32K x 16) ISP Flash |
| Flash Endurance | 10,000 write/erase cycles | — |
| SRAM | 4 KB | — |
| EEPROM | 2 KB | — |
| Maximum CPU Speed | 16 MHz | 16MHz |
| Throughput | Up to 16 MIPS at 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) | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit (from manufacturer product summary) |
| Real Time Counter | Yes (RTC) | — |
| Package | 64-TQFP (14x14 mm, 0.8 mm pitch) | 64-TQFP (14x14mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C | — |
| RoHS Status | Compliant (GREEN) | Compliant (GREEN per FindIC listing) |
| JTAG Debug Interface | Yes (IEEE 1149.1 boundary-scan) | — |
| EEPROM Size | — | 2KB |
| SRAM Size | — | 4KB |
| General Purpose I/O | — | 53 lines |
| Working Registers | — | 32 general purpose |
| Timers/Counters | — | 4 flexible timer/counters with compare modes and PWM |
| Communication Interfaces | — | 2x USART, SPI, TWI (I2C compatible) |
| Oscillator Type | — | Internal |
| Debug / Test | — | JTAG for on-chip debug and boundary scan |
| Operating Temperature Range | — | Industrial (-40C to +85C) |
| Packaging | — | Tape & Reel (TR) |
| Pin Compatibility | — | 100% pin compatible with ATmega103 |