ATMEGA168-20MU vs ATMEGA48-20MJ 对比
详细并排对比 ATMEGA168-20MU 出自 Microchip Technology 和 ATMEGA48-20MJ 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATMEGA168-20MU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MU ✓ 量产中Microchip Technology
ATMEGA48-20MJ - 8-bit AVR MCU 20MHz 4KB Flash VQFN-32 | Microchip
ATMEGA48-20MJ ✓ 量产中规格对比
| 参数 | ATMEGA168-20MU | ATMEGA48-20MJ |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.00 | $0.00 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-Bit | — |
| Speed | 20MHz | — |
| Program Memory Size | 16KB (8K x 16) Flash | — |
| EEPROM Size | 512B | — |
| RAM Size | 1K x 8 | — |
| Number of I/O | 23 | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8 (TQFP and QFN/MLF packages) | 8-channel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Connectivity | I2C (TWI), SPI, UART/USART | — |
| Timers | 2 x 8-bit, 1 x 16-bit | 2 x 8-bit, 1 x 16-bit |
| Oscillator Type | Internal | — |
| 工作温度 | 0C to +70C | -40C to +85C (industrial) |
| 封装 | 32-VQFN (5x5 mm) exposed pad | 32-VQFN / MLF (5x5 mm), pad designation J |
| 安装类型 | Surface Mount | Surface Mount |
| Debug | debugWIRE on-chip debug | — |
| Programming | ISP, In-Circuit Serial Programming (ICSP) | — |
| Core Architecture | — | 8-bit AVR RISC |
| 最大时钟频率 | — | 20 MHz |
| Peak Throughput | — | 20 MIPS at 20 MHz |
| Flash Program Memory | — | 4 KB (2K x 16) |
| SRAM | — | 512 bytes |
| EEPROM | — | 256 bytes |
| Instructions | — | 131 instructions, most single-cycle |
| PWM Channels | — | 6 |
| Communication Interfaces | — | USART, SPI, 2-wire serial (I2C-compatible) |
| On-Chip Debug | — | debugWIRE |
| Sleep Modes | — | Idle, ADC Noise Reduction, Power-save, Power-down, Standby |
| RoHS 状态 | — | Compliant (green package) |