ATMEGA324A-AU vs ATMEGA16A-AU Comparison
Detailed side-by-side comparison of ATMEGA324A-AU 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
ATMEGA324A-AU
ATMEGA324A-AU - AVR MCU 32KB Flash 20MHz TQFP-44 | Microchip
ATMEGA324A-AU β ActiveMicrochip Technology
ATMEGA16A-AU
ATMEGA16A-AU - 16KB Flash AVR MCU 16MHz TQFP-44 | Microchip
ATMEGA16A-AU β ActiveSpecification Comparison
| Parameter | ATMEGA324A-AU | ATMEGA16A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.09 | $2.05 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR enhanced RISC |
| Flash Memory | 32 KB (ISP, read-while-write) | β |
| EEPROM | 1 KB | 512 bytes |
| SRAM | 2 KB | 1024 bytes |
| Maximum CPU Frequency | 20 MHz | β |
| Supply Voltage Range | 1.8 V to 5.5 V (speed-grade dependent) | β |
| General Purpose I/O | 32 lines | β |
| General Purpose Working Registers | 32 | β |
| Instructions | 131 (most single-cycle) | β |
| Timers/Counters | 3 | β |
| Real Time Counter | Yes | β |
| Serial Interfaces | USART, SPI, 2-Wire (I2C/TWI) | β |
| In-System Programming | Yes (ISP) | Yes (ISP via SPI) |
| Package Type | TQFP-44, 10 x 10 mm, 1 mm height, 0.8 mm pitch | β |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | β |
| Life Cycle Stage | Active | ACTIVE |
| RoHS Status | Compliant | Compliant |
| Flash Program Memory | β | 16 KB (8K x 16), self-programmable |
| Maximum Clock Frequency | β | 16 MHz |
| Performance | β | Approx. 1 MIPS per MHz |
| Instruction Set | β | 133 instructions, most single-cycle |
| Supply Voltage | β | 2.7 V to 5.5 V |
| ADC | β | 8-channel, 10-bit |
| Timers | β | Two 8-bit + one 16-bit with PWM |
| Communication Interfaces | β | USART, SPI, TWI (I2C-compatible) |
| Debug Interface | β | JTAG (on-chip debug and boundary scan) |
| Programmable I/O | β | 32 programmable I/O lines |
| Package | β | 44-TQFP (10 x 10 mm, 1 mm height) |