ATMEGA164PA-MCHR vs ATMEGA164A-MCHR Comparison

Detailed side-by-side comparison of ATMEGA164PA-MCHR by Microchip Technology and ATMEGA164A-MCHR 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
ATMEGA164PA-MCHR ATMEGA164PA-MCHR - 8-bit AVR MCU 16KB Flash 20MHz | Microchip

ATMEGA164PA-MCHR - 8-bit AVR MCU 16KB Flash 20MHz | Microchip

ATMEGA164PA-MCHR βœ“ Active
Microchip Technology
ATMEGA164A-MCHR

ATMEGA164A-MCHR - 8-bit AVR MCU 16KB Flash 20MHz QFN-44 | Microchip

ATMEGA164A-MCHR βœ“ Active

Specification Comparison

Parameter ATMEGA164PA-MCHR ATMEGA164A-MCHR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $2.71 $3.01
Core Architecture AVR 8-bit RISC AVR 8-bit RISC
Core Size 8-Bit β€”
Maximum Clock Frequency 20 MHz 20 MHz
Flash Memory 16 KB (8K x 16) 16 KB (8K x 16) ISP Flash
EEPROM 512 B 512 B
SRAM 1 KB 1 KB
Supply Voltage Range 2.7 V to 5.5 V 2.7 V to 5.5 V
General Purpose I/O Lines 32 β€”
USART Interfaces 2 β€”
Two-Wire Interface (TWI/I2C) 1 β€”
Timers/Counters 3 flexible timer/counters with compare modes and PWM β€”
ADC 8-channel 10-bit β€”
Low Power Technology picoPower β€”
In-System Programming ISP flash with read-while-write β€”
Instructions 133 powerful instructions, most single-cycle β€”
Package 44-VQFN (5x5 mm), exposed pad 44-QFN (MLF) 5x5 mm
Mounting Type Surface Mount Surface Mount
Operating Temperature [DATA_NEEDED: operating temperature range] β€”
MSL Rating [DATA_NEEDED: moisture sensitivity level] β€”
General Purpose I/O β€” 32 I/O lines
General Purpose Working Registers β€” 32 registers
Instruction Set β€” 133 instructions, mostly single-cycle
Throughput β€” Up to 1 MIPS per MHz
Operating Temperature (Max) β€” 85 C
Packaging β€” Tape and Reel (R suffix)
Programming β€” In-System Programmable (ISP), read-while-write
Debug Interface β€” In-Circuit Debug via MPLAB SNAP (ICSP)
Lifecycle Status β€” Active
RoHS Status β€” [DATA_NEEDED: RoHS compliance status]

Datasheets & Resources

Browse All Products Create BOM Request Quote