| PartNumber | CY8C21234-24SXI | CY8C21234B-24SXI | CY8C21234-24SXIT |
| Description | 8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM | 8-bit Microcontrollers - MCU M8C 8bit 24MHz 8KB | IC MCU 8BIT 8KB FLASH 16SOIC |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor Corp |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-16 | SOIC-16 | - |
| Series | CY8C21x34 | CY8C21234B | PSOCR1 CY8C21xxx |
| Core | M8C | M8C | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 24 MHz | 24 MHz | - |
| Program Memory Size | 8 kB | 8 kB | 8KB (8K x 8) |
| Data RAM Size | 512 B | 512 B | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 12 I/O | - | - |
| Operating Supply Voltage | 2.4 V to 5.25 V | 2.4 V to 5.25 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tube | Tube | Tape & Reel (TR) Alternate Packaging |
| Height | 1.5 mm | - | - |
| Length | 9.9 mm | - | - |
| Product | SoC | - | - |
| Program Memory Type | Flash | - | FLASH |
| Width | 3.9 mm | - | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | - |
| Data RAM Type | SRAM | - | - |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 28 | - | - |
| Number of Timers/Counters | 2 Timer | - | - |
| Processor Series | CY8C21x34 | CY8C21234B | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 1680 | 480 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.25 V | - | - |
| Supply Voltage Min | 2.4 V | - | - |
| Tradename | CapSense | CapSense | - |
| Unit Weight | 0.023492 oz | 0.023492 oz | - |
| Package Case | - | - | 16-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 16-SOIC |
| Number of I O | - | - | 12 |
| Speed | - | - | 24MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | M8C |
| RAM Size | - | - | 512 x 8 |
| Peripherals | - | - | POR, PWM, WDT |
| Connectivity | - | - | I2C, SPI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 2.4 V ~ 5.25 V |
| Core Size | - | - | 8-Bit |
| Data Converters | - | - | A/D 28x8b |
| Oscillator Type | - | - | Internal |