| Part Number | XC8661FRAABKXUMA1 | XC8661FRIABKXUMA1 | 
|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Discontinued at Digi-Key | Obsolete | 
| Core Processor | XC800 | XC800 | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 86MHz | 86MHz | 
| Connectivity | SSI, UART/USART | SSI, UART/USART | 
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | 
| Number of I/O | 19 | 19 | 
| Program Memory Size | 4KB (4K x 8) | 4KB (4K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 768 x 8 | 768 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Data Converters | A/D 8x10b | A/D 8x10b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) | 38-TFSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | PG-TSSOP-38 | PG-TSSOP-38 |