ATMEGA48PB-AUR vs ATMEGA48-20AU 对比
详细并排对比 ATMEGA48PB-AUR 出自 Microchip Technology 和 ATMEGA48-20AU 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
ATMEGA48PB-AUR - 8-bit AVR MCU 20MHz 4KB Flash TQFP-32 | Microchip
ATMEGA48PB-AUR ✓ 量产中规格对比
| 参数 | ATMEGA48PB-AUR | ATMEGA48-20AU |
|---|---|---|
| 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） | $0.39 | $1.68 |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) | — |
| EEPROM | 256 B | 256 B |
| SRAM | 512 B | 512 B |
| General-Purpose I/O | 27 | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| Timers/Counters | 3 flexible timer/counters with compare modes | — |
| Communication Interfaces | USART with wake-up on start of transmission | USART, SPI, TWI (I2C) |
| Working Registers | 32 general-purpose registers | — |
| Performance | Up to 1 MIPS/MHz (single-cycle RISC) | — |
| Low-Power Technology | picoPower | — |
| 封装 | 32-TQFP (7x7 mm) | 32-pin TQFP (7x7 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount | — |
| Packaging | Tape & Reel (AUR suffix) | — |
| Functional Safety | FuSa capable (per DigiKey listing) | — |
| RoHS 状态 | Compliant (GRN / green package per Mouser) | Compliant |
| Core Architecture | — | 8-bit AVR RISC (enhanced) |
| Program Memory (Flash) | — | 4 KB (2K x 16) |
| Maximum CPU Frequency | — | 20 MHz |
| Throughput | — | Up to 20 MIPS |
| Supply Voltage (Vcc) | — | 4.5 V to 5.5 V |
| I/O Pins | — | 23 |
| ADC | — | 6-channel, 10-bit |
| Timer/Counters | — | 3 (2x 8-bit, 1x 16-bit) |
| 工作温度 | — | -40C to +85C (industrial) |
| On-chip Debug | — | debugWIRE |
| In-System Programming | — | Yes (SPI) |
| Sleep Modes | — | 6 (Idle, ADC NR, Power-save, Power-down, Standby, Ext Standby) |
| Watchdog Timer | — | Programmable, with on-chip oscillator |