ATMEGA48PA-AN vs ATMEGA48PB-AN 对比
详细并排对比 ATMEGA48PA-AN 出自 Microchip Technology 和 ATMEGA48PB-AN 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-AN - 8-Bit AVR 20MHz 4KB MCU | Microchip | TQFP-32
ATMEGA48PA-AN ✓ 量产中Microchip Technology
ATMEGA48PB-AN - 8-Bit AVR MCU 20MHz 4KB TQFP-32 | Microchip
ATMEGA48PB-AN ✓ 量产中规格对比
| 参数 | ATMEGA48PA-AN | ATMEGA48PB-AN |
|---|---|---|
| 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） | $0.83 | $0.42 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory | 4 KB ISP Flash (2K x 16) | — |
| EEPROM | 256 bytes | 256 B |
| SRAM | 512 bytes | 512 B |
| Maximum Clock Speed | 20 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.5 V to 5.5 V (1.8 V at reduced speed) |
| 工作温度 | -40C to +105C | -40C to +105C |
| General Purpose I/O Lines | 23 | — |
| General Purpose Working Registers | 32 | — |
| Timer/Counters | 3 (two 8-bit, one 16-bit) | — |
| ADC Resolution | 10-bit | — |
| Serial Interfaces | USART, SPI, TWI (I2C) | SPI, TWI (I2C-compatible) |
| Instruction Set | 131 instructions, most single-cycle | — |
| Flash Endurance | 10,000 write/erase cycles | — |
| EEPROM Endurance | 100,000 write/erase cycles | — |
| 封装 | 32-TQFP (7x7 mm) | 32-TQFP, 7x7 mm (package code AN) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | — |
| 最大时钟频率 | — | 20 MHz |
| Flash Memory | — | 4 KB (2K x 16) |
| General-Purpose I/O | — | 27 lines |
| Timers/Counters | — | 3 (with compare modes) |
| USART | — | 1 (wake-up on start of transmission) |
| Low-Power Technology | — | picoPower |
| Programming | — | ISP Flash with read-while-write, ICSP via 2 I/O pins + reset |
| Packaging | — | Tray |
| Green Status | — | GREEN (lead-free per Mouser listing) |
| Functional Safety | — | FuSa support offered by Microchip |