ATMEGA164PA-CU vs ATMEGA164A-CU Comparison
Detailed side-by-side comparison of ATMEGA164PA-CU by Microchip Technology and ATMEGA164A-CU 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-CU
ATMEGA164PA-CU - 8-bit AVR MCU 20MHz 16KB Flash 49-VFBGA | Microchip
ATMEGA164PA-CU β ActiveMicrochip Technology
ATMEGA164A-CU
ATMEGA164A-CU - 8-bit AVR MCU 16KB Flash 20MHz BGA | Microchip
ATMEGA164A-CU β ActiveSpecification Comparison
| Parameter | ATMEGA164PA-CU | ATMEGA164A-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.15 | $4.03 |
| Core Architecture | AVR 8-bit RISC | β |
| Data Bus Width | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Flash Memory | 16 KB (8K x 16) ISP, read-while-write | β |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| Supply Voltage Range | 2.7 V to 5.5 V (per datasheet summary; picoPower PA variants support lower VCC - verify in full datasheet) | 2.7 V to 5.5 V |
| I/O Ports | 32 general purpose I/O lines | β |
| Timers/Counters | 3 flexible timer/counters with compare modes and PWM | β |
| USART | 2 | β |
| Serial Interfaces | Two-Wire Interface (I2C), SPI, 2x USART | β |
| ADC | 8-channel 10-bit | β |
| Instruction Set | 133 powerful instructions, most single-cycle | 133 instructions, most single-cycle |
| Low Power Technology | picoPower with sleep modes and real-time counter | β |
| Package | 49-VFBGA (5x5 mm) | 49-VFBGA (5 x 5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: Operating Temperature] |
| RoHS Status | Compliant (GREEN package per FindIC listing) | unknown |
| Core | β | AVR 8-bit RISC |
| Throughput | β | 20 MIPS at 20 MHz |
| FLASH Program Memory | β | 16 KB (8K x 16) |
| General Purpose I/O | β | 32 lines |
| Hardware Multiplier | β | On-chip 2-cycle multiplier |
| Working Registers | β | 32 x 8 bit |
| Programming | β | In-System Programmable (ISP), read-while-write |
| Lifecycle Status | β | Active |