ATMEGA161L-4AC vs ATMEGA128-16AU Comparison
Detailed side-by-side comparison of ATMEGA161L-4AC by Microchip Technology and ATMEGA128-16AU 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
ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip
ATMEGA128-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA161L-4AC | ATMEGA128-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Obsolete | Active |
| 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) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tray | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant (RoHS Y) |
| 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) |
| 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) |
| MSL Level | — | [DATA_NEEDED: MSL rating] |
| Operating Temperature Range | — | [DATA_NEEDED: exact min/max operating temperature] |