ATMEGA645V-8AI vs ATMEGA645A-AUR Comparison
Detailed side-by-side comparison of ATMEGA645V-8AI by Microchip Technology and ATMEGA645A-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
ATMEGA645V-8AI - 64KB AVR MCU, 8MHz, TQFP-64 | Microchip
ATMEGA645V-8AI ✓ ActiveMicrochip Technology
ATMEGA645A-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645V-8AI | ATMEGA645A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $4.68 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 64 KB (32K x 16) ISP Flash | — |
| SRAM Size | 4 KB | — |
| EEPROM Size | 2 KB | — |
| Maximum Clock Frequency | 8 MHz | — |
| Operating Voltage Range | 2.7 V to 5.5 V | 2.5 V / 3.3 V / 5 V (per datasheet family listing) |
| Instructions | 130 (most single-cycle) | — |
| Throughput | up to 8 MIPS at 8 MHz | — |
| General Purpose I/O | 54 I/O lines (64-pin package) | 54 I/O lines |
| ADC | 8-channel, 10-bit | 10-bit, 8 channels |
| Timers/Counters | 3 flexible Timer/Counters | — |
| Debug Interface | JTAG (on-chip debug, Boundary-scan, programming) | — |
| Operating Temperature | -40C to +85C (industrial, I suffix) | — |
| Package | 64-TQFP (14 x 14 mm) | 64-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| In-System Programming | Yes (ISP Flash, Read-While-Write) | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Data Retention | [DATA_NEEDED: EEPROM/Flash data retention] | — |
| Max Operating Frequency | — | 16 MHz |
| Flash Memory | — | 64 KB (32K x 16) ISP FLASH |
| EEPROM | — | 2 KB |
| SRAM | — | 4 KB |
| Working Registers | — | 32 x 8-bit |
| LCD Controller | — | Yes, segment driver (megaAVR LCD family) |
| Timers | — | Two 8-bit, one 16-bit |
| Serial Interfaces | — | 2 x USART, SPI, TWI (I2C compatible) |
| Debug / Programming | — | JTAG, ICSP (In-Circuit Serial Programming) |
| Operating Temperature (Max) | — | 85 C |
| Packaging | — | Tape & Reel (R suffix) |