ATMEGA128-16AI vs ATMEGA128A-ANR Comparison
Detailed side-by-side comparison of ATMEGA128-16AI by Microchip Technology and ATMEGA128A-ANR 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
ATMEGA128-16AI - 8-bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA128-16AI β ActiveMicrochip Technology
ATMEGA128A-ANR - 8-bit AVR MCU 128KB Flash 16MHz | Microchip
ATMEGA128A-ANR β ActiveSpecification Comparison
| Parameter | ATMEGA128-16AI | ATMEGA128A-ANR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.90 | $7.96 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| CPU Speed | 16 MHz | β |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | 128 KB (64K x 16) |
| SRAM | 4 KB | 4 KB |
| EEPROM | 4 KB | 4 KB |
| Operating Voltage | 4.5 V to 5.5 V | β |
| MIPS Throughput | 16 MIPS at 16 MHz | β |
| ADC | 8-channel 10-bit | 8-channel 10-bit |
| Timers/Counters | Two 8-bit, Two 16-bit | β |
| Communication Interfaces | SPI, TWI (I2C), 2x USART | β |
| JTAG | On-chip JTAG for debugging and boundary scan | β |
| Instructions | 133 instructions, most single-cycle | 135 instructions, most single-cycle |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial, per AI suffix) | [DATA_NEEDED: operating temperature range] |
| External Memory Interface | XMEM up to 64 KB | Yes (WR, RD, ALE) |
| RoHS Status | unknown | Green (per Mouser) |
| Maximum Clock Frequency | β | 16 MHz |
| General Purpose I/O | β | 53 I/O lines |
| Working Registers | β | 32 general purpose |
| Timer/Counters | β | 4 flexible timer/counters |
| USART | β | 2 |
| Interfaces | β | SPI, TWI (I2C-compatible), JTAG |
| Pin Compatibility | β | 100% compatible with ATmega103 |