AT89C51CC03CA-RLTUM vs AT89C51CC03CA-SLRUM Comparison
Detailed side-by-side comparison of AT89C51CC03CA-RLTUM by Microchip Technology and AT89C51CC03CA-SLRUM by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
AT89C51CC03CA-RLTUM - 8-bit 8051 MCU 64KB Flash CAN VQFP-44 | Microchip
AT89C51CC03CA-RLTUM ✓ ActiveMicrochip Technology
AT89C51CC03CA-SLRUM - 8-bit 8051 CAN MCU 64KB Flash 40MHz | Microchip
AT89C51CC03CA-SLRUM ✓ ActiveSpecification Comparison
| Parameter | AT89C51CC03CA-RLTUM | AT89C51CC03CA-SLRUM |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.45 | $7.62 |
| Core | 80C51 8-bit (MCS-51 compatible) | — |
| Series | AT89C51 CAN family | — |
| Maximum Clock Frequency | 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) |
| Package | 44-pin VQFP (10x10 mm) | 44-pin PLCC (16.6 x 16.6 mm) J-lead |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | — |
| Flash Endurance | 1,000 write/erase cycles | 1,000 write/erase cycles |
| RoHS Status | 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 |
| Operating Temperature Range | — | -40 C to +85 C (industrial) |
| Serial Interfaces | — | Enhanced UART, SPI |
| Data Pointers | — | Dual (XRAM fast access) |
| Program Lock | — | 3-level |
| MSL Level | — | [DATA_NEEDED: MSL moisture sensitivity level] |