AT89C51CC03CA-RLTUM vs AT89C51CC03CA-SLRUM 对比
详细并排对比 AT89C51CC03CA-RLTUM 出自 Microchip Technology 和 AT89C51CC03CA-SLRUM 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
AT89C51CC03CA-RLTUM - 8-bit 8051 MCU 64KB Flash CAN VQFP-44 | Microchip
AT89C51CC03CA-RLTUM ✓ 量产中Microchip Technology
AT89C51CC03CA-SLRUM - 8-bit 8051 CAN MCU 64KB Flash 40MHz | Microchip
AT89C51CC03CA-SLRUM ✓ 量产中规格对比
| 参数 | AT89C51CC03CA-RLTUM | AT89C51CC03CA-SLRUM |
|---|---|---|
| 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） | $5.45 | $7.62 |
| Core | 80C51 8-bit (MCS-51 compatible) | — |
| Series | AT89C51 CAN family | — |
| 最大时钟频率 | 40 MHz (X1 mode), 20 MHz X2 mode | 40 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) in-system programmable | — |
| Boot Flash | 4 KB (CAN/UART bootloader) | — |
| RAM | 2.25 KB (256 B internal + 2 KB XRAM) | — |
| EEPROM | 2 KB | — |
| CAN Controller | CAN 2.0B, 15 message objects, up to 1 Mbit/s | Full CAN 2.0B, 15 message objects |
| Supply Voltage (Vcc) | 3.0 V to 5.5 V | — |
| I/O Lines | 32 programmable | 36 programmable I/O |
| Timers | 3 x 16-bit timer/counters | 2 x 16-bit |
| UART | 2 | — |
| SPI | Yes | — |
| ADC | 10-bit, 8 channels | 8-channel, 10-bit |
| Watchdog Timer | Hardware, programmable | Yes (hardware) |
| 封装 | 44-pin VQFP (10x10 mm) | 44-pin PLCC (16.6 x 16.6 mm) J-lead |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | — |
| Flash Endurance | 1,000 write/erase cycles | 1,000 write/erase cycles |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | 8051 (8-bit CISC) |
| Program Memory Type | — | Flash (In-System Programmable) |
| Program Memory Size | — | 64 KB |
| Boot Flash Memory | — | 2 KB |
| Data EEPROM / HEF | — | 2 KB |
| Internal SRAM | — | 2 KB (256 x 8) |
| CPU Speed (MIPS) | — | 6.66 MIPS (X2 mode doubles per-clock throughput) |
| Instruction Cycle Time | — | 300 ns (X2 mode at 20 MHz external clock) |
| Operating Voltage | — | 3 V to 5.5 V |
| 工作温度范围 | — | -40 C to +85 C (industrial) |
| Serial Interfaces | — | Enhanced UART, SPI |
| Data Pointers | — | Dual (XRAM fast access) |
| Program Lock | — | 3-level |
| MSL 等级 | — | [DATA_NEEDED: MSL moisture sensitivity level] |