ATMEGA168A-MMHR vs ATMEGA48A-MMH 对比
详细并排对比 ATMEGA168A-MMHR 出自 Microchip Technology 和 ATMEGA48A-MMH 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
ATMEGA168A-MMHR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-MMHR ✓ 量产中Microchip Technology
ATMEGA48A-MMH - 8-Bit AVR MCU, 4KB Flash, 20MHz | Microchip
ATMEGA48A-MMH ✓ 量产中规格对比
| 参数 | ATMEGA168A-MMHR | ATMEGA48A-MMH |
|---|---|---|
| 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） | $1.58 | $0.86 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory | 16 KB Flash (8K x 16) | — |
| EEPROM | 512 B | 256B |
| SRAM | 1 KB | 512B |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Operating Voltage | 1.8 V to 5.5 V | — |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| General Purpose I/O | 23 lines | — |
| General Purpose Registers | 32 (8-bit) | — |
| Timers | Two 8-bit, one 16-bit with PWM | 2 x 8-bit, 1 x 16-bit |
| ADC | 10-bit successive approximation | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | USART, SPI, TWI (I2C-compatible) |
| Internal Oscillator | 8 MHz calibrated RC | — |
| 封装 | 28-VQFN (4x4 mm) with exposed pad | 28-VQFN (4x4 mm, 0.45 mm pitch) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +85 C | -40C to +85C (industrial) |
| Instruction Set | 133 powerful instructions, most single-cycle | — |
| RoHS 状态 | Compliant | Compliant (green package) |
| Flash Memory | — | 4KB (2K x 16) |
| Supply Voltage Range | — | 4.5 V to 5.5 V (at 20 MHz) |
| Number of I/O | — | 23 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 |
| MIPS Throughput | — | Up to 20 MIPS at 20 MHz |
| Package Height | — | 1 mm |
| Programming Interface | — | ISP (SPI), DebugWIRE |