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