ATMEGA649V-8AUR vs ATMEGA6450V-8AU Comparison
Detailed side-by-side comparison of ATMEGA649V-8AUR by Microchip Technology and ATMEGA6450V-8AU 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
ATMEGA649V-8AUR - 8MHz AVR MCU 64KB Flash LCD | Microchip
ATMEGA649V-8AUR β ActiveMicrochip Technology
ATMEGA6450V-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6450V-8AU β ActiveSpecification Comparison
| Parameter | ATMEGA649V-8AUR | ATMEGA6450V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.88 | $2.31 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Program Memory Size | 64KB (32K x 16) Flash | β |
| EEPROM Size | 2KB | β |
| SRAM Size | 4KB | β |
| Maximum Clock Frequency | 8 MHz | β |
| Supply Voltage Range | 1.8 V to 5.5 V | β |
| General Purpose I/O | 54 I/O lines | β |
| LCD Driver | Segment LCD controller (up to 4x40 / 132 segments per datasheet) | β |
| JTAG Interface | Yes (boundary-scan and on-chip debug) | β |
| Package | 64-TQFP (14x14 mm) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | β |
| RoHS Status | Compliant | Compliant (GREEN package per Microchip classification) |
| Lifecycle Status | Active (newer device available: ATMEGA649A) | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (A-grade industrial) |
| ADC Resolution | [DATA_NEEDED: ADC resolution and channels] | 10-bit |
| Timers | [DATA_NEEDED: timer peripheral count and sizes] | β |
| Communication Interfaces | [DATA_NEEDED: USART/SPI/TWI count] | β |
| MIPS Rating | [DATA_NEEDED: MIPS at 8 MHz] | β |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | β |
| Data Bus Width | β | 8 Bit |
| Maximum Clock Speed | β | 8 MHz |
| Flash Memory | β | 64KB (32K x 16), In-System Programmable |
| EEPROM | β | 2KB |
| SRAM | β | 4KB |
| I/O Ports | β | 53 I/O lines |
| Supply Voltage | β | 1.8 V (V-variant extended low-voltage range) |
| Instructions | β | 130 powerful instructions, most single-cycle |
| In-System Programming | β | Yes (ICSP) |
| Life Cycle Stage | β | ACTIVE |
| LCD Controller | β | Integrated segment LCD drive (6450 family) |