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