ATMEGA1284-AUR vs ATMEGA164PA-AU Comparison
Detailed side-by-side comparison of ATMEGA1284-AUR by Microchip Technology and ATMEGA164PA-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
ATMEGA1284-AUR
ATMEGA1284-AUR - 8-Bit AVR MCU 128KB Flash 20MHz | Microchip
ATMEGA1284-AUR β ActiveMicrochip Technology
ATMEGA164PA-AU
ATMEGA164PA-AU - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA164PA-AU β ActiveSpecification Comparison
| Parameter | ATMEGA1284-AUR | ATMEGA164PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.61 | $2.75 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 128 KB ISP Flash (64K x 16) | β |
| SRAM | 16 KB | 1 KB |
| EEPROM | 4 KB | 512 B |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Throughput | Up to 20 MIPS at 20 MHz | Up to 20 MIPS at 20 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Operating Voltage (Full 20 MHz) | 2.7 V to 5.5 V | β |
| General Purpose I/O Lines | 32 | β |
| General Purpose Working Registers | 32 | β |
| Instruction Set | 131 powerful instructions, most single-clock cycle | β |
| ADC | 8-channel, 10-bit successive approximation | 8-channel, 10-bit |
| USART Interfaces | 2 | β |
| Timer/Counters | 3 flexible timer/counters with compare modes and PWM | β |
| Package | 44-pin TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel | β |
| Operating Temperature | -40C to +85C | [DATA_NEEDED: operating temperature range] |
| RoHS Status | Compliant | Compliant (green package) |
| Lifecycle Stage | Active | β |
| Flash Memory | β | 16 KB (8K x 16) ISP FLASH |
| Number of I/O Lines | β | 32 |
| Timers/Counters | β | 3 (two 8-bit, one 16-bit) with PWM |
| USART | β | 2 |
| TWI (I2C) | β | Yes, byte-oriented |
| SPI | β | Yes |
| Instructions | β | 131, most single-cycle |
| Hardware Multiplier | β | On-chip 2-cycle multiplier |
| Low Power Technology | β | picoPower |