| PartNumber | SAF-XC866-2FRI BE | SAF-XC866-2FRA BE | SAF-XC866-2FRI BC |
| Description | 8-bit Microcontrollers - MCU ICMCU 8BIT XC800CISC 8KB FLASH 26.7MHZ 5V | 8-bit Microcontrollers - MCU 8-Bit Single-Chip 5V 26.67MHz Flash | 8-bit Microcontrollers - MCU 8-Bit Single-Chip 3.3V 26.67MHz Flash |
| Manufacturer | Infineon | Infineon | Infineon |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-38 | TSSOP-38 | TSSOP-38 |
| Series | SAxXC866 | SAxXC866 | XC800 |
| Core | XC800 | XC800 | XC800 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 26.67 MHz | 26.67 MHz | 26.67 MHz |
| Program Memory Size | 4 kB | 4 kB | 8 kB |
| Data RAM Size | 768 B | 768 B | 750 B |
| Number of I/Os | 19 I/O | 19 I/O | 27 I/O |
| Operating Supply Voltage | 2.3 V to 2.7 V | 2.5 V, 5 V | 2.5 V, 5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Reel | Reel |
| Height | 0.9 mm | 0.9 mm | 0.9 mm |
| Length | 9.7 mm | 9.7 mm | 9.7 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 4.4 mm | 4.4 mm | 4.4 mm |
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Interface Type | JTAG, SPI, SSC, UART | JTAG, SPI, SSC, UART | SSC, UART |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 1000 | 3000 | 3000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 2.7 V, 5.5 V | 2.7 V, 5.5 V | 2.7 V, 5.5 V |
| Supply Voltage Min | 2.3 V, 4.5 V | 2.3 V, 4.5 V | 2.3 V, 4.5 V |
| Part # Aliases | FX8662FRIBEXT SP000245777 XC8662FRIBEFXUMA1 | FX8662FRABEXT SP000281796 XC8662FRABEFXUMA1 | FX8662FRIBCXT SP000210683 |
| Unit Weight | 0.007189 oz | 0.007189 oz | 0.007189 oz |
| Data RAM Type | - | - | SRAM |