ATMEGA128-16AN vs ATMEGA128A-AN Comparison
Detailed side-by-side comparison of ATMEGA128-16AN by Microchip Technology and ATMEGA128A-AN 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
ATMEGA128-16AN - 8-Bit AVR MCU 128KB 16MHz TQFP-64 | Microchip
ATMEGA128-16AN ✓ ActiveMicrochip Technology
ATMEGA128A-AN - 8-bit AVR MCU 128KB Flash 16MHz | Microchip
ATMEGA128A-AN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128-16AN | ATMEGA128A-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Core Size | 8-bit | — |
| Max Clock Frequency | 16 MHz | — |
| Peak Throughput | 16 MIPS at 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) | 128 KB (In-System Programmable, read-while-write) |
| SRAM | 4 KB | 4 KB |
| EEPROM | 4 KB | 4 KB |
| Operating Voltage Range | 4.5 V to 5.5 V | — |
| General Purpose I/O | 53 lines | 53 lines |
| Timers/Counters | 4 with compare modes and PWM | 4 flexible Timer/Counters with compare modes and PWM |
| ADC | 8-channel, 10-bit | [DATA_NEEDED: ADC resolution and channels] |
| USART | 2 | 2 |
| Communication Interfaces | 2x USART, TWI (I2C), SPI | — |
| Debug / Boundary Scan | JTAG (IEEE 1149.1 interface for on-chip debugging) | — |
| Instructions | 131 instructions, most single-cycle | — |
| Package | 64-TQFP (14x14 mm) | TQFP-64 |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C | -40C to +105C |
| Working Registers | 32 general purpose | 32 general purpose |
| RoHS Status | unknown | Green (per LCSC/Mouser listing) |
| Core | — | AVR 8-bit RISC |
| Maximum Clock Frequency | — | 16 MHz |
| Real Time Counter | — | Yes (RTC) |
| Supply Voltage | — | [DATA_NEEDED: supply voltage range] |