ATMEGA644PV-10MU vs ATMEGA644-20MUR Comparison

Detailed side-by-side comparison of ATMEGA644PV-10MU by Microchip Technology and ATMEGA644-20MUR 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-10MU ATMEGA644PV-10MU - 8-bit AVR MCU 64KB Flash 10MHz | Microchip

ATMEGA644PV-10MU - 8-bit AVR MCU 64KB Flash 10MHz | Microchip

ATMEGA644PV-10MU ✓ Active
Microchip Technology
ATMEGA644-20MUR ATMEGA644-20MUR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip

ATMEGA644-20MUR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip

ATMEGA644-20MUR ✓ Active

Specification Comparison

Parameter ATMEGA644PV-10MU ATMEGA644-20MUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $4.88 $5.05
Core Architecture 8-bit AVR RISC 8-bit AVR RISC
Flash Memory 64 KB (32K x 16) ISP Flash —
EEPROM 2 KB 2KB
SRAM 4 KB 4KB
Maximum Clock Frequency 10 MHz —
Supply Voltage 1.8 V (picoPower family low-voltage capable) —
General Purpose I/O 32 lines 32 I/O lines
ADC Resolution 10 bit —
Timers/Counters 3 (with compare modes and PWM) 3 (with compare modes and PWM)
USART Interfaces 2 —
Serial Interfaces 2-wire (I2C/TWI), SPI —
Package 44-VQFN (7x7 mm), exposed pad 44-VQFN (7x7 mm) Exposed Pad
Operating Temperature -40C to +85C (industrial) Industrial (-40C to +85C)
Mounting Type Surface Mount Surface Mount
RoHS Status Compliant (green package) [DATA_NEEDED: RoHS status]
In-System Programming Yes (read-while-write) —
Max Clock Frequency — 20 MHz
Program Memory (Flash) — 64KB (32K x 16)
Supply Voltage Range — 4.5 V to 5.5 V
Data Bus Width — 8 Bit
Communication Interfaces — USART, SPI, TWI (I2C)
ADC — 10-bit
Programming Interface — ICSP (In-Circuit Serial Programming), debugWIRE
Lifecycle Stage — ACTIVE

Datasheets & Resources

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