ATMEGA6450P-AU vs ATMEGA645P-AU Comparison
Detailed side-by-side comparison of ATMEGA6450P-AU by Microchip Technology and ATMEGA645P-AU 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
ATMEGA6450P-AU - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA6450P-AU ✓ ActiveMicrochip Technology
ATMEGA645P-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645P-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA6450P-AU | ATMEGA645P-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.90 | $4.60 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 64 KB (32K x 16) ISP Flash | 64 KB (32K x 16) ISP |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Maximum Clock Frequency | 20 MHz | 16 MHz |
| I/O Lines | 54/69 general purpose I/O | — |
| Working Registers | 32 general purpose | 32 x 8-bit general purpose |
| Instruction Set | 130 powerful instructions, most single-cycle | — |
| Debug/Programming Interface | JTAG (boundary-scan, on-chip debug/programming) | — |
| Flash Read-While-Write | Yes | — |
| Low Power Technology | picoPower | picoPower |
| Operating Voltage Range | [DATA_NEEDED: operating voltage range] | — |
| Package | 100-TQFP (14x14 mm) | 64-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Pins | 100 | — |
| Timers/Counters | Three flexible timer/counters with compare modes | — |
| RoHS Status | Compliant | Compliant (Green package per Microchip listings) |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial) |
| Supply Voltage Range | — | 2.5 V to 5.5 V |
| General Purpose I/O | — | 54 lines |
| Programming Interface | — | ICSP (In-Circuit Serial Programming) |
| Debug Support | — | debugWIRE via MPLAB SNAP |
| Approximate Throughput | — | up to 16 MIPS at 16 MHz (1 MIPS/MHz) |