ATMEGA164PA-AUR vs ATMEGA1284P-AU Comparison
Detailed side-by-side comparison of ATMEGA164PA-AUR by Microchip Technology and ATMEGA1284P-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-AUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA164PA-AUR ✓ ActiveMicrochip Technology
ATMEGA1284P-AU - 8-bit AVR MCU 128KB Flash 20MHz TQFP-44
ATMEGA1284P-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164PA-AUR | ATMEGA1284P-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.05 | $4.65 |
| Core Architecture | 8-bit AVR enhanced RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 16 KB (8K x 16) in-system programmable | 128 KB |
| EEPROM | 512 B | 4 KB |
| SRAM | 1 KB | 16 KB |
| Maximum Clock Frequency | 20 MHz | — |
| Throughput | Up to 20 MIPS at 20 MHz (1 MIPS/MHz) | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O Lines | 32 | — |
| General Purpose Working Registers | 32 | — |
| ADC | 8-channel, 10-bit successive approximation | 10-bit, 8-channel |
| Serial Interfaces | 2x USART, 1x TWI (I2C), 1x SPI | — |
| Timers | 2x 8-bit, 1x 16-bit with PWM and compare modes | — |
| Real-Time Counter | Yes, with separate oscillator | — |
| Operating Temperature Range | -40 C to +85 C (industrial) | — |
| Package | 44-pin TQFP (10x10 mm) | TQFP-44 (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (AUR suffix) | — |
| Instruction Set | 131 powerful instructions, most single clock cycle | — |
| Programming Interfaces | SPI, JTAG (IEEE 1149.1), debugWIRE | — |
| RoHS Status | Compliant | Compliant |
| Maximum CPU Speed | — | 20 MHz |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| I/O Pins | — | 32 |
| General-Purpose Registers | — | 32 |
| USART | — | 2 |
| SPI | — | 1 |
| TWI (I2C) | — | 1 |
| Timer/Counters | — | 2x 8-bit, 2x 16-bit |
| PWM Channels | — | 6 |
| Operating Temperature | — | -40C to +85C (industrial) |
| In-System Programming | — | Yes (SPI) |
| JTAG Debug | — | Yes (IEEE 1149.1) |
| Power-Down Current | — | [DATA_NEEDED: power-down current in nA] |
| MSL Level | — | 3 (per JEDEC J-STD-020) |