ATMEGA645A-AUR vs ATMEGA165A-AUR Comparison
Detailed side-by-side comparison of ATMEGA645A-AUR by Microchip Technology and ATMEGA165A-AUR 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
ATMEGA645A-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AUR β ActiveMicrochip Technology
ATMEGA165A-AUR - AVR 8-Bit MCU 16KB Flash 16MHz TQFP-64 | Microchip
ATMEGA165A-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA645A-AUR | ATMEGA165A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.68 | $0.00 |
| Core Architecture | 8-bit AVR RISC | β |
| Max Operating Frequency | 16 MHz | β |
| Flash Memory | 64 KB (32K x 16) ISP FLASH | 16 KB (8K x 16) |
| EEPROM | 2 KB | 512 B |
| SRAM | 4 KB | 1 KB |
| Operating Voltage Range | 2.5 V / 3.3 V / 5 V (per datasheet family listing) | β |
| General Purpose I/O | 54 I/O lines | β |
| Working Registers | 32 x 8-bit | β |
| ADC | 10-bit, 8 channels | β |
| LCD Controller | Yes, segment driver (megaAVR LCD family) | β |
| Timers | Two 8-bit, one 16-bit | β |
| Serial Interfaces | 2 x USART, SPI, TWI (I2C compatible) | β |
| Debug / Programming | JTAG, ICSP (In-Circuit Serial Programming) | β |
| Package | 64-TQFP (14 x 14 mm) | 64-TQFP (14 x 14 mm) |
| Operating Temperature (Max) | 85 C | β |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | Tape & Reel (TR) |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS compliance statement] |
| Core Processor | β | AVR |
| Core Size | β | 8-Bit |
| Speed (Max Clock) | β | 16 MHz |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| Number of I/O | β | 53 |
| Connectivity | β | SPI, UART/USART, USI |
| Instruction Set | β | 133 powerful instructions, most single-cycle |
| Throughput | β | Up to 16 MIPS at 16 MHz |
| Operating Temperature | β | Industrial grade (-40C to +85C) |
| Terminal Form | β | Gull Wing |
| Life Cycle Stage | β | ACTIVE |