ATMEGA645V-8AI vs ATMEGA645V-8AUR Comparison
Detailed side-by-side comparison of ATMEGA645V-8AI by Microchip Technology and ATMEGA645V-8AUR 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
ATMEGA645V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz | Microchip
ATMEGA645V-8AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645V-8AI | ATMEGA645V-8AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC, 130 instructions |
| Program Memory Size | 64 KB (32K x 16) ISP Flash | — |
| SRAM Size | 4 KB | — |
| EEPROM Size | 2 KB | — |
| Maximum Clock Frequency | 8 MHz | 8 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| Instructions | 130 (most single-cycle) | — |
| Throughput | up to 8 MIPS at 8 MHz | Up to 8 MIPS at 8 MHz (approx. 1 MIPS/MHz) |
| General Purpose I/O | 54 I/O lines (64-pin package) | — |
| ADC | 8-channel, 10-bit | — |
| 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) | TQFP-64 |
| Mounting Type | Surface Mount | Surface Mount |
| In-System Programming | Yes (ISP Flash, Read-While-Write) | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant (green package per FindIC listing) |
| Data Retention | [DATA_NEEDED: EEPROM/Flash data retention] | — |
| Flash Memory | — | 64 KB In-System Programmable |
| EEPROM | — | 2 KB |
| SRAM | — | 4 KB |
| Operating Voltage | — | 1.8 V to 5.5 V (V-grade) |
| Terminal Form | — | Gull Wing |
| Package Shape | — | Square |
| Number of Terminals | — | 64 |
| Temperature Grade | — | Industrial |
| Packing | — | Tape & Reel (R suffix) |
| Programming Method | — | In-System Programmable (ISP) |