ATMEGA644PV-10MQ vs ATMEGA644P-20MQ Comparison

Detailed side-by-side comparison of ATMEGA644PV-10MQ by Microchip Technology and ATMEGA644P-20MQ 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
ATMEGA644PV-10MQ ATMEGA644PV-10MQ - 8-Bit AVR MCU 64KB Flash 10MHz | Microchip

ATMEGA644PV-10MQ - 8-Bit AVR MCU 64KB Flash 10MHz | Microchip

ATMEGA644PV-10MQ ✓ Active
Microchip Technology
ATMEGA644P-20MQ ATMEGA644P-20MQ - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip

ATMEGA644P-20MQ - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip

ATMEGA644P-20MQ Nrnd

Specification Comparison

Parameter ATMEGA644PV-10MQ ATMEGA644P-20MQ
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active NRND
Core Architecture AVR 8-bit enhanced RISC AVR 8-bit RISC
Flash Memory 64KB (32K x 16) —
SRAM 4KB (4K x 8) 4 KB (4,096 bytes)
EEPROM 2KB 2 KB (2,048 bytes)
Maximum CPU Speed 10 MHz —
Supply Voltage Range 1.8 V to 5.5 V —
Package 44-VQFN (7x7 mm) exposed pad 44-VQFN (7x7 mm) with exposed pad
Mounting Type Surface Mount Surface Mount
Series AVR ATmega (ATmega644P, picoPower) —
USART Count 2 —
Temperature Grade Extended temperature Industrial, extended temperature
Green / RoHS Status Green (RoHS compliant) —
Number of I/O Pins [DATA_NEEDED: Number of I/O Pins] —
ADC Resolution / Channels [DATA_NEEDED: ADC Resolution / Channels] —
Timers Count [DATA_NEEDED: Timers Count] —
Operating Temperature Range [DATA_NEEDED: Operating Temperature Range numeric values] —
MSL Level [DATA_NEEDED: MSL Level] —
CPU Speed — 20 MHz
Throughput — Up to 20 MIPS (1 MIPS per MHz)
Flash Program Memory — 64 KB (32K x 16)
Operating Voltage — 5 V
Number of I/O — 32
Digital Communication Peripherals — 2 UART
Oscillator Type — Internal
Instructions — 131 powerful instructions, most single-cycle
Packaging — Tape & Reel (TR)
Technology Feature — picoPower low-power, green/RoHS
Programming — ICSP via 2 I/O pins + reset, MPLAB SNAP compatible
Lifecycle — Mature; NRND - replaced by ATmega644PA

Datasheets & Resources

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