ATMEGA168A-CCU vs ATMEGA168PA-CCU Comparison
Detailed side-by-side comparison of ATMEGA168A-CCU by Microchip Technology and ATMEGA168PA-CCU 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
ATMEGA168A-CCU - 8-Bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA168A-CCU ✓ ActiveMicrochip Technology
ATMEGA168PA-CCU - 16KB Flash 20MHz AVR MCU 32-UFBGA | Microchip
ATMEGA168PA-CCU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168A-CCU | ATMEGA168PA-CCU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Architecture | Advanced RISC, 133 instructions, most single-cycle | — |
| Maximum Clock Speed | 20 MHz | — |
| Flash Memory | 16 KB (8K x 16) In-System Programmable | — |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 23 lines | 23 lines |
| Working Registers | 32 general purpose registers | 32 x 8 |
| Connectivity | I2C (2-wire), SPI, UART/USART | — |
| Timers | 3 Timer/Counters with compare modes and PWM | — |
| Real Time Counter | Yes (RTC) | — |
| Programming Interface | ISP via SPI, ICSP supported by MPLAB SNAP | — |
| Package | 32-UFBGA (4x4 mm) | 32-UFBGA (4x4 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Life Cycle Stage | Active | — |
| Data Bus Width | 8 bit | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Program Memory | — | 16 KB ISP (read-while-write) |
| Maximum CPU Speed | — | 20 MHz |
| Instruction Set | — | 131 instructions, most single-cycle |
| ADC | — | 8-channel 10-bit |
| Communication Interfaces | — | I2C (TWI), SPI, UART/USART |
| Low Power Technology | — | picoPower |
| Supply Voltage (per FindIC listing) | — | 2.5 V / 3.3 V / 5 V |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Programming / Debug | — | ICSP (2 I/O pins + reset), In-System Self-Programming |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |