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