ATMEGA128-16AU vs ATMEGA161L-4AC Comparison
Detailed side-by-side comparison of ATMEGA128-16AU 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
ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip
ATMEGA128-16AU ✓ ActiveMicrochip Technology
ATMEGA161L-4AC - 16KB Flash 4MHz AVR MCU 44-TQFP | Microchip
ATMEGA161L-4AC ObsoleteSpecification Comparison
| Parameter | ATMEGA128-16AU | ATMEGA161L-4AC |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Obsolete |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | — |
| SRAM | 4 KB | — |
| EEPROM | 4 KB | — |
| Maximum Clock Frequency | 16 MHz | — |
| Throughput | 16 MIPS at 16 MHz (approx. 1 MIPS per MHz) | — |
| Supply Voltage Range | 4.5 V to 5.5 V (16 MHz speed grade) | — |
| ADC | 8-channel 10-bit | — |
| Debug Interface | JTAG for on-chip debugging | — |
| Package | 64-TQFP (14x14 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial (IND TEMP) | — |
| External Memory Interface | Supported (up to 64 KB external data memory) | — |
| Serial Interfaces | 2x USART, SPI, Two-Wire Interface (I2C-compatible) | — |
| RoHS Status | Compliant (RoHS Y) | [DATA_NEEDED: RoHS status] |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| Operating Temperature Range | [DATA_NEEDED: exact min/max operating temperature] | — |
| Core Processor | — | AVR 8-bit |
| Core Size | — | 8-bit |
| Speed | — | 4 MHz |
| Program Memory Size | — | 16 KB (8K x 16) FLASH |
| Program Memory Type | — | FLASH (In-System or Self-programmable) |
| RAM Size | — | 1 KB (1K x 8) SRAM |
| EEPROM Size | — | 512 bytes |
| Number of I/O | — | 35 |
| Working Registers | — | 32 general purpose |
| Instruction Set | — | 130 powerful instructions, most single-cycle |
| Connectivity | — | SPI, 2x UART/USART |
| Peripherals | — | 3x Timer/Counter with Compare, WDT, Real-time Counter |
| Oscillator Type | — | External |
| Operating Voltage | — | [DATA_NEEDED: operating voltage range] |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Package / Case | — | 44-TQFP (10x10 mm) |
| Packaging | — | Tray |