ATMEGA323-8AC vs ATMEGA16A-AU Comparison
Detailed side-by-side comparison of ATMEGA323-8AC 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
ATMEGA323-8AC - 8MHz AVR MCU 32KB Flash TQFP-44 | Microchip
ATMEGA323-8AC ObsoleteMicrochip Technology
ATMEGA16A-AU - 16KB Flash AVR MCU 16MHz TQFP-44 | Microchip
ATMEGA16A-AU β ActiveSpecification Comparison
| Parameter | ATMEGA323-8AC | ATMEGA16A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Obsolete | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $2.05 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR enhanced RISC |
| Instruction Count | 131 instructions | β |
| Flash Program Memory | 32KB (16K x 16), in-system programmable | 16 KB (8K x 16), self-programmable |
| SRAM | 2KB (2K x 8) | 1024 bytes |
| EEPROM | 1KB (1K x 8) | 512 bytes |
| Maximum Clock Frequency | 8 MHz | 16 MHz |
| Throughput | up to 8 MIPS at 8 MHz (approx. 1 MIPS per MHz) | β |
| General Purpose Registers | 8 x 8-bit | β |
| Communication Interfaces | I2C, SPI, UART/USART | USART, SPI, TWI (I2C-compatible) |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | β |
| Supply Voltage | [DATA_NEEDED: supply voltage range] | 2.7 V to 5.5 V |
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10 x 10 mm, 1 mm height) |
| Mounting Type | Surface Mount | Surface Mount |
| Timers | [DATA_NEEDED: timer count and resolution] | Two 8-bit + one 16-bit with PWM |
| ADC Channels | [DATA_NEEDED: ADC channel count and resolution] | β |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Compliant |
| Operation Mode | Fully static | β |
| Performance | β | Approx. 1 MIPS per MHz |
| Instruction Set | β | 133 instructions, most single-cycle |
| ADC | β | 8-channel, 10-bit |
| Debug Interface | β | JTAG (on-chip debug and boundary scan) |
| Programmable I/O | β | 32 programmable I/O lines |
| In-System Programming | β | Yes (ISP via SPI) |
| Life Cycle Stage | β | ACTIVE |