ATMEGA48A-AU vs ATMEGA168A-AU Comparison
Detailed side-by-side comparison of ATMEGA48A-AU by Microchip Technology and ATMEGA168A-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
ATMEGA48A-AU - 8-bit AVR MCU, 4KB Flash, 20MHz, TQFP-32 | Microchip
ATMEGA48A-AU ✓ ActiveMicrochip Technology
ATMEGA168A-AU - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48A-AU | ATMEGA168A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.78 | $1.42 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| MIPS Throughput | 20 MIPS | — |
| Program Memory (Flash) | 4 KB (2K x 16) | — |
| Data EEPROM | 256 B | — |
| Data SRAM | 512 B | — |
| General-Purpose I/O Lines | 23 | — |
| General-Purpose Working Registers | 32 | — |
| Supply Voltage (VCC) | 4.5 V to 5.5 V | — |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8 | — |
| Timer/Counters | 3 (with compare modes) | — |
| PWM Channels | 6 | — |
| Communication Interfaces | SPI, TWI (I2C), USART | — |
| Package | 32-pin TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| Program Memory Size | — | 16 KB (8K x 16) Flash |
| Program Memory Type | — | Flash (ISP, read-while-write) |
| EEPROM Size | — | 512 B |
| SRAM Size | — | 1 KB |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| Number of I/O Lines | — | 23 |
| General Purpose Registers | — | 32 |
| Instruction Set | — | 131 instructions, most single-cycle |
| Timers/Counters | — | 3 (two 8-bit, one 16-bit) with compare modes |
| Serial Interfaces | — | USART, SPI, Two-Wire (I2C) |
| Supply Current (Active) | — | [DATA_NEEDED: active supply current] |
| Sleep Modes | — | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) |
| Lifecycle Stage | — | Active |