Rochester Electronics, LLC32-VFQFN Exposed PadRoHS
CY8C21634-24LFXI
IC MCU 8BIT 8KB FLASH 32QFN
Category
Subcategory
Embedded Microcontrollers
Package
32-VFQFN Exposed Pad
Series
PSOC®1 CY8C21xxx
Status
Obsolete
$1.19 / unit (market reference)
MOQ: 254 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | CY8C21634-24LFXI |
| Package / Case | 32-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor | M8C |
| Speed | 24MHz |
| Program Memory Size | 8KB (8K x 8) |
| RAM Size | 512 x 8 |
| Number of I/O | 26 |
| Data Converters | A/D 28x8b |
| Voltage - Supply | 2.4V ~ 5.25V |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | POR, PWM, WDT |
| Supplier Device Package | 32-QFN (5x5) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
CY8C21634-24LFXI by Rochester Electronics, LLC is a M8C microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 32-VFQFN Exposed Pad package fits automated SMT assembly. Operating temperature is -40°C ~ 85°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 24MHz |
| RAM Size | 512 x 8 |
| Core Size | 8-Bit |
| Peripherals | POR, PWM, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of I/O | 26 |
| Core Processor | M8C |
| Data Converters | A/D 28x8b |
| Oscillator Type | Internal |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 2.4V ~ 5.25V |
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