| PartNumber | CY8C27643-24LTXI | CY8C27643-24LFXIT | CY8C27643-24LFXI |
| Description | 8-bit Microcontrollers - MCU 16 KB 256 B | 8-bit Microcontrollers - MCU 16K FlSh 256B RAM IND | IC MCU 8BIT 16KB FLASH 48QFN |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor Corp |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | IC Chips |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | QFN-48 | - | - |
| Series | CY8C27643 | CY8C27643 | PSOCR1 CY8C27xxx |
| Core | M8C | M8C | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 24 MHz | - | - |
| Program Memory Size | 16 kB | - | 16KB (16K x 8) |
| Data RAM Size | 256 B | - | - |
| Number of I/Os | 44 I/O | - | - |
| Operating Supply Voltage | 3 V to 5.25 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | Reel | Tray |
| Program Memory Type | Flash | - | FLASH |
| Brand | Cypress Semiconductor | Cypress Semiconductor | - |
| Data RAM Type | SRAM | - | - |
| Interface Type | I2C, SPI, UART | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Processor Series | CY8C27x43 | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 260 | 2000 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Tradename | PSoC | - | - |
| Unit Weight | 0.005309 oz | - | - |
| Product | - | SoC | - |
| Package Case | - | - | 48-VFQFN Exposed Pad |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 48-QFN (7x7) |
| Number of I O | - | - | 44 |
| Speed | - | - | 24MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | M8C |
| RAM Size | - | - | 256 x 8 |
| Peripherals | - | - | POR, PWM, WDT |
| Connectivity | - | - | I2C, SPI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 3 V ~ 5.25 V |
| Core Size | - | - | 8-Bit |
| Data Converters | - | - | A/D 4x14b; D/A 4x9b |
| Oscillator Type | - | - | Internal |