ATMEGA164PA-AU vs ATMEGA164A-AU Comparison
Detailed side-by-side comparison of ATMEGA164PA-AU by Microchip Technology and ATMEGA164A-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
ATMEGA164PA-AU - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA164PA-AU ✓ ActiveMicrochip Technology
ATMEGA164A-AU - 8-bit AVR MCU, 16KB Flash, 20MHz, 44-TQFP
ATMEGA164A-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164PA-AU | ATMEGA164A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.75 | $2.65 |
| 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 | — |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Number of I/O Lines | 32 | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Timers/Counters | 3 (two 8-bit, one 16-bit) with PWM | Two 8-bit, One 16-bit |
| USART | 2 | — |
| TWI (I2C) | Yes, byte-oriented | — |
| SPI | Yes | — |
| Instructions | 131, most single-cycle | — |
| Hardware Multiplier | On-chip 2-cycle multiplier | — |
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Low Power Technology | picoPower | — |
| RoHS Status | Compliant (green package) | Compliant |
| Program Memory (Flash) | — | 16 KB (8K x 16) |
| Maximum CPU Speed | — | 20 MHz (20 MIPS) |
| Supply Voltage | — | 2.7 V to 5.5 V (4.5V-5.5V at 20MHz) |
| General Purpose I/O | — | 32 |
| PWM Channels | — | 6 |
| Communication Interfaces | — | 2x USART, SPI, I2C (TWI) |