ATMEGA649-16AI vs ATMEGA645V-8AI Comparison
Detailed side-by-side comparison of ATMEGA649-16AI 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
ATMEGA649-16AI - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA649-16AI ✓ ActiveMicrochip Technology
ATMEGA645V-8AI - 64KB AVR MCU, 8MHz, TQFP-64 | Microchip
ATMEGA645V-8AI ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649-16AI | ATMEGA645V-8AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $0.00 |
| Core | AVR 8-Bit RISC | — |
| Core Size | 8-Bit | — |
| Maximum Clock Frequency | 16 MHz | 8 MHz |
| Program Memory Size | 64 KB (32K x 16) Flash, ISP, read-while-write | 64 KB (32K x 16) ISP Flash |
| EEPROM Size | 2 KB | 2 KB |
| SRAM Size | 4 KB | 4 KB |
| Instruction Set | 130 powerful instructions, most single-cycle | — |
| General Purpose I/O | 54 I/O lines (TQFP-64 configuration) | 54 I/O lines (64-pin package) |
| Working Registers | 32 x 8-bit general purpose | — |
| JTAG | Yes (on-chip debug and boundary scan) | — |
| LCD Controller | On-chip segment LCD driver | — |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial grade, per Atmel part number suffix 'I') | -40C to +85C (industrial, I suffix) |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | — |
| RoHS Status | Compliant (per Microchip product listing) | [DATA_NEEDED: RoHS status] |
| Programming Interfaces | ISP (SPI), JTAG, ICSP via MPLAB SNAP | — |
| Core Architecture | — | 8-bit AVR RISC |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| Instructions | — | 130 (most single-cycle) |
| Throughput | — | up to 8 MIPS at 8 MHz |
| ADC | — | 8-channel, 10-bit |
| Timers/Counters | — | 3 flexible Timer/Counters |
| Debug Interface | — | JTAG (on-chip debug, Boundary-scan, programming) |
| In-System Programming | — | Yes (ISP Flash, Read-While-Write) |
| Data Retention | — | [DATA_NEEDED: EEPROM/Flash data retention] |