ATMEGA164P-20AQ vs ATMEGA16A-AU Comparison
Detailed side-by-side comparison of ATMEGA164P-20AQ 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
ATMEGA164P-20AQ
ATMEGA164P-20AQ - 16KB Flash 8-bit AVR MCU 20MHz TQFP-44 | Microchip
ATMEGA164P-20AQ β ActiveMicrochip Technology
ATMEGA16A-AU
ATMEGA16A-AU - 16KB Flash AVR MCU 16MHz TQFP-44 | Microchip
ATMEGA16A-AU β ActiveSpecification Comparison
| Parameter | ATMEGA164P-20AQ | ATMEGA16A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.94 | $2.05 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR enhanced RISC |
| Flash Memory | 16 KB (8K x 16) ISP, read-while-write | β |
| EEPROM | 512 B | 512 bytes |
| SRAM | 1 KB | 1024 bytes |
| Maximum CPU Speed | 20 MHz | β |
| Supply Voltage Range | 2.7 V to 5.5 V | β |
| General Purpose I/O | 32 lines | β |
| General Purpose Working Registers | 32 | β |
| Instruction Set | 131 instructions, mostly single-cycle | 133 instructions, most single-cycle |
| MIPS Throughput | Up to 20 MIPS at 20 MHz | β |
| Package | 44-TQFP (10 x 10 mm) | 44-TQFP (10 x 10 mm, 1 mm height) |
| Operating Temperature | -40C to +85C (extended, A suffix) | β |
| ADC | 10-bit, 8 channels | 8-channel, 10-bit |
| Serial Interfaces | USART, SPI, TWI (I2C) | β |
| Low Power Technology | picoPower | β |
| Watchdog Timer | Programmable WDT with separate oscillator | β |
| RoHS Status | Compliant (green package) | Compliant |
| Mounting Type | Surface Mount | Surface Mount |
| Flash Program Memory | β | 16 KB (8K x 16), self-programmable |
| Maximum Clock Frequency | β | 16 MHz |
| Performance | β | Approx. 1 MIPS per MHz |
| Supply Voltage | β | 2.7 V to 5.5 V |
| 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 |
| In-System Programming | β | Yes (ISP via SPI) |
| Life Cycle Stage | β | ACTIVE |