ATMEGA161L-4AC vs ATMEGA161L-4PI Comparison
Detailed side-by-side comparison of ATMEGA161L-4AC 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-4AC - 16KB Flash 4MHz AVR MCU 44-TQFP | Microchip
ATMEGA161L-4AC ObsoleteMicrochip Technology
ATMEGA161L-4PI - 8-bit AVR MCU 4MHz 16KB Flash | Microchip
ATMEGA161L-4PI β End of LifeSpecification Comparison
| Parameter | ATMEGA161L-4AC | ATMEGA161L-4PI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Obsolete | Eol |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.20 | $6.35 |
| Core Processor | AVR 8-bit | β |
| Core Size | 8-bit | β |
| Speed | 4 MHz | β |
| Program Memory Size | 16 KB (8K x 16) FLASH | 16 KB (8K x 16) Flash |
| Program Memory Type | FLASH (In-System or Self-programmable) | FLASH |
| RAM Size | 1 KB (1K x 8) SRAM | β |
| EEPROM Size | 512 bytes | 512 B |
| Number of I/O | 35 | 35 |
| Working Registers | 32 general purpose | β |
| Instruction Set | 130 powerful instructions, most single-cycle | 130 instructions, most single-cycle |
| Connectivity | SPI, 2x UART/USART | β |
| Peripherals | 3x Timer/Counter with Compare, WDT, Real-time Counter | β |
| Oscillator Type | External | External |
| Operating Voltage | [DATA_NEEDED: operating voltage range] | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Package / Case | 44-TQFP (10x10 mm) | 40-PDIP (0.600 in, 15.24 mm) |
| Mounting Type | Surface Mount | Through Hole |
| Packaging | Tray | Tray |
| RoHS Status | [DATA_NEEDED: RoHS status] | ROHS (per LCSC listing) |
| Core Architecture | β | 8-bit AVR RISC |
| Core Series | β | AVR ATmega (ATmega161) |
| Maximum Clock Frequency | β | 4 MHz |
| SRAM Size | β | 1 KB (1K x 8) |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| Interfaces | β | Dual UART, SPI (port B) |