ATMEGA16A-AU vs ATMEGA16-16AJ Comparison
Detailed side-by-side comparison of ATMEGA16A-AU by Microchip Technology and ATMEGA16-16AJ 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
ATMEGA16A-AU - 16KB Flash AVR MCU 16MHz TQFP-44 | Microchip
ATMEGA16A-AU ✓ ActiveMicrochip Technology
ATMEGA16-16AJ - 8-bit AVR MCU 16MHz 16KB TQFP-44 | Microchip
ATMEGA16-16AJ ✓ ActiveSpecification Comparison
| Parameter | ATMEGA16A-AU | ATMEGA16-16AJ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR enhanced RISC | — |
| Flash Program Memory | 16 KB (8K x 16), self-programmable | 16 KB (8K x 16) |
| SRAM | 1024 bytes | 1 KB |
| EEPROM | 512 bytes | 512 Bytes |
| Maximum Clock Frequency | 16 MHz | — |
| Performance | Approx. 1 MIPS per MHz | — |
| Instruction Set | 133 instructions, most single-cycle | — |
| Supply Voltage | 2.7 V to 5.5 V | — |
| ADC | 8-channel, 10-bit | — |
| Timers | Two 8-bit + one 16-bit with PWM | Two 8-bit, one 16-bit |
| Communication Interfaces | USART, SPI, TWI (I2C-compatible) | — |
| Debug Interface | JTAG (on-chip debug and boundary scan) | — |
| Programmable I/O | 32 programmable I/O lines | — |
| Package | 44-TQFP (10 x 10 mm, 1 mm height) | 44-TQFP (10 x 10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| In-System Programming | Yes (ISP via SPI) | — |
| Life Cycle Stage | ACTIVE | — |
| RoHS Status | Compliant | ROHS3 Compliant |
| Core | — | AVR 8-bit |
| Core Size | — | 8-Bit |
| Speed | — | 16 MHz |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 |
| Number of I/O | — | 32 |
| Interfaces | — | UART, SPI, TWI (I2C), JTAG |
| PWM Channels | — | 4 |
| Instructions | — | 131 (most single-cycle) |
| Throughput | — | Up to 16 MIPS at 16 MHz |
| On-Chip Debug | — | JTAG interface |