AT89C51CC03CA-RLTUM vs AT89C51CC03CA-RDTUM Comparison
Detailed side-by-side comparison of AT89C51CC03CA-RLTUM by Microchip Technology and AT89C51CC03CA-RDTUM 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-RDTUM - 8-bit CAN MCU, 64KB Flash, 40MHz | Microchip
AT89C51CC03CA-RDTUM ✓ ActiveSpecification Comparison
| Parameter | AT89C51CC03CA-RLTUM | AT89C51CC03CA-RDTUM |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.45 | $10.20 |
| Core | 80C51 8-bit (MCS-51 compatible) | — |
| Series | AT89C51 CAN family | — |
| Maximum Clock Frequency | 40 MHz (X1 mode), 20 MHz X2 mode | — |
| Program Memory (Flash) | 64 KB (64K x 8) in-system programmable | 64 KB (64K x 8) in-system programmable |
| Boot Flash | 4 KB (CAN/UART bootloader) | 2 KB dedicated bootloader region |
| 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 2.0A / 2.0B, hardware protocol engine |
| Supply Voltage (Vcc) | 3.0 V to 5.5 V | — |
| I/O Lines | 32 programmable | — |
| Timers | 3 x 16-bit timer/counters | — |
| UART | 2 | — |
| SPI | Yes | — |
| ADC | 10-bit, 8 channels | — |
| Watchdog Timer | Hardware, programmable | — |
| Package | 44-pin VQFP (10x10 mm) | VQFP-64 (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount, Tray packaging |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C |
| Flash Endurance | 1,000 write/erase cycles | 1000 write/erase cycles |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | 80C51 (MCS-51 compatible), 8-bit |
| CPU Clock (max) | — | 40 MHz (X2 mode from 20 MHz crystal) |
| Instruction Throughput | — | 6.66 MIPS |
| SRAM | — | 2 KB (2048 bytes) |
| Data EEPROM | — | 2048 bytes |
| Programmable I/O Lines | — | 32 |
| Timer/Counters | — | Three 16-bit |
| Watchdog | — | Hardware, programmable |
| Operating Voltage | — | 3.0 V to 5.5 V |
| Lead-Free | — | Yes |