ATMEGA48-20MJ vs ATMEGA168-20MU 对比
详细并排对比 ATMEGA48-20MJ 出自 Microchip Technology 和 ATMEGA168-20MU 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
ATMEGA48-20MJ - 8-bit AVR MCU 20MHz 4KB Flash VQFN-32 | Microchip
ATMEGA48-20MJ ✓ 量产中Microchip Technology
ATMEGA168-20MU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MU ✓ 量产中规格对比
| 参数 | ATMEGA48-20MJ | ATMEGA168-20MU |
|---|---|---|
| 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 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 | — |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8-channel | 8 (TQFP and QFN/MLF packages) |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| 工作温度 | -40C to +85C (industrial) | 0C to +70C |
| 封装 | 32-VQFN / MLF (5x5 mm), pad designation J | 32-VQFN (5x5 mm) exposed pad |
| Timers | 2 x 8-bit, 1 x 16-bit | 2 x 8-bit, 1 x 16-bit |
| 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 | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (green package) | — |
| 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 |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | — | I2C (TWI), SPI, UART/USART |
| Oscillator Type | — | Internal |
| Debug | — | debugWIRE on-chip debug |
| Programming | — | ISP, In-Circuit Serial Programming (ICSP) |