ATMEGA164PA-MU vs ATMEGA164A-MU Comparison
Detailed side-by-side comparison of ATMEGA164PA-MU by Microchip Technology and ATMEGA164A-MU 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-MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164PA-MU ✓ ActiveMicrochip Technology
ATMEGA164A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-44 | Microchip
ATMEGA164A-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164PA-MU | ATMEGA164A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 16 KB (8K x 16) ISP Flash | — |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O Lines | 32 | — |
| Timers/Counters | 3 (with compare modes and PWM) | — |
| USART Channels | 2 | — |
| Two-Wire Interface (I2C) | Yes, byte-oriented TWI | — |
| ADC | 8-channel, 10-bit | 10-bit ADC (per family datasheet) |
| Instructions | 133, most single-cycle | — |
| Low Power Technology | picoPower | — |
| Package | 44-VQFN (7x7 mm) | 44-VQFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Programmability | In-System Programmable (ISP), read-while-write | — |
| Program Memory (FLASH) | — | 16 KB (8K x 16) ISP |
| Throughput | — | Up to 20 MIPS (approx. 1 MIPS per MHz) |
| Instruction Set | — | 133 powerful instructions, most single-cycle |
| General Purpose I/O | — | 32 I/O lines |
| General Purpose Registers | — | 32 |
| Peripherals | — | Real-time counter, timers/PWM, WDT, brown-out detection |
| Programming Interface | — | ISP (In-System Programmable), read-while-write |
| Life Cycle Stage | — | Active |