ATMEGA48PA-PN vs ATMEGA48-20PI 对比
详细并排对比 ATMEGA48PA-PN 出自 Microchip Technology 和 ATMEGA48-20PI 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
ATMEGA48PA-PN - 8-Bit AVR MCU 20MHz 4KB Flash 28-PDIP | Microchip
ATMEGA48PA-PN ✓ 量产中Microchip Technology
ATMEGA48-20PI - AVR 8-Bit MCU 20MHz 4KB Flash 28-PDIP | Microchip
ATMEGA48-20PI ✗ 停产规格对比
| 参数 | ATMEGA48PA-PN | ATMEGA48-20PI |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 停产 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.75 | $0.98 |
| Core | AVR 8-bit RISC | — |
| Flash Memory | 4KB (2K x 16) In-System Programmable | — |
| EEPROM | 256 B | 256 x 8 B |
| SRAM | 512 B | 512 x 8 B |
| 最大时钟频率 | 20 MHz | — |
| Maximum MIPS | 20 MIPS at 20 MHz | — |
| 电源电压 | [DATA_NEEDED: supply voltage range (datasheet lists 2.5V/3.3V/5V operation)] | — |
| I/O Ports | 23 programmable I/O lines | — |
| 封装 | 28-PDIP | — |
| 安装类型 | Through-Hole | Through Hole |
| 工作温度 | -40C to +105C | -40C to +85C (Industrial, I grade) |
| Timers | 8-bit and 16-bit timers | Two 8-bit, one 16-bit |
| ADC Resolution | [DATA_NEEDED: ADC resolution (10-bit typical for ATmega48 family)] | 10 bit |
| Serial Interfaces | USART, USI, SPI (ICSP) | — |
| Instruction Set | 131 instructions, most single-cycle | — |
| Low Power Technology | picoPower (PA revision) | — |
| In-Circuit Programming | ICSP via SPI + reset line | — |
| RoHS 状态 | Lead-free (N suffix) | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Program Flash Memory | — | 4 KB (2K x 16) |
| Supply Voltage (Vcc/Vdd) | — | 2.7 V to 5.5 V (1.8 V to 5.5 V family range) |
| ADC Channels | — | 8 |
| Connectivity | — | I2C, SPI, UART/USART |
| 封装 / 外壳 | — | 28-PDIP (0.300 inch, 7.62 mm) |
| MIPS Throughput | — | Up to 20 MIPS at 20 MHz |
| On-Chip Debug | — | debugWIRE |
| Series | — | AVR ATmega |