ATMEGA161L-4AI vs ATMEGA161L-4PI Comparison
Detailed side-by-side comparison of ATMEGA161L-4AI by Microchip Technology and ATMEGA161L-4PI 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
ATMEGA161L-4AI - 16KB AVR MCU 4MHz TQFP-44 | Microchip
ATMEGA161L-4AI ✗ End of LifeMicrochip Technology
ATMEGA161L-4PI - 8-bit AVR MCU 4MHz 16KB Flash | Microchip
ATMEGA161L-4PI ✗ End of LifeSpecification Comparison
| Parameter | ATMEGA161L-4AI | ATMEGA161L-4PI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | End of Life | End of Life |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 4MHz | — |
| Program Memory Size | 16KB (8K x 16) | 16 KB (8K x 16) Flash |
| Program Memory Type | FLASH | FLASH |
| RAM Size | 1K x 8 | — |
| Number of I/O | 35 | 35 |
| Connectivity | SPI, UART/USART | — |
| Oscillator Type | External | External |
| Operating Temperature | -40C to +85C | -40C to +85C (industrial) |
| Voltage Supply Range | 2.7V to 5.5V (L grade) | — |
| Package / Case | 44-TQFP (10x10 mm) | 40-PDIP (0.600 in, 15.24 mm) |
| Mounting Type | Surface Mount | Through Hole |
| Packaging | Tray | Tray |
| Series | AVR ATmega161 | — |
| Architecture | Harvard RISC, 130 instructions | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | ROHS (per LCSC listing) |
| Core Architecture | — | 8-bit AVR RISC |
| Core Series | — | AVR ATmega (ATmega161) |
| Maximum Clock Frequency | — | 4 MHz |
| SRAM Size | — | 1 KB (1K x 8) |
| EEPROM Size | — | 512 B |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Instruction Set | — | 130 instructions, most single-cycle |
| Interfaces | — | Dual UART, SPI (port B) |