Cypress Semiconductor Corp CY8C21345-24SXI
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $13.08 | $13.08 |
| 15+ | $3.01 | $45.15 |
| 25+ | $2.94 | $73.50 |
| 50+ | $2.78 | $139.00 |
| 100+ | $2.45 | $245.00 |
| N+ | $0.49 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Cypress Semiconductor Corp |
| Product Series | PSOC®1 CY8C21xxx |
| Packaging | Bulk | Tube |
| Core Processor | M8C |
| Core Size | 8-Bit |
| Speed | 24MHz |
| Connectivity | I2C, IrDA, SPI, UART/USART |
| Peripherals | LVD, POR, PWM, WDT |
| Number of I/O | 24 |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 512 x 8 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.25V |
| Data Converters | A/D 3x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 28-SOIC |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) |
| ROHS |  |
The CY8C21345-24SXI from Cypress Semiconductor is a versatile 8-bit microcontroller based on the M8C core, operating at up to 24 MHz. It supports a supply voltage range of 3V to 5.25V, making it compatible with legacy 5V systems. The device offers 8KB of flash memory and 512 bytes of RAM, along with essential peripherals like LVD, POR, PWM, and WDT. Packaged in a 28-SOIC, it operates reliably from -40°C to 85°C, making it suitable for a wide range of industrial and consumer applications.
- 5V compatibility: The 3V-5.25V supply range allows direct interfacing with legacy 5V logic and sensors without level shifters.
- Proven architecture: The M8C core is well-established, with extensive development tools and code examples available.
- Robust protection: LVD and POR ensure safe operation during power fluctuations, critical for industrial environments.
- Easy integration: The 28-SOIC package is widely used and easy to solder, simplifying manufacturing and prototyping.
Legacy System Replacements
The 28-SOIC package and 5V operation make it a drop-in upgrade for older 8-bit designs in industrial control panels, offering modern peripherals with minimal board changes.
Power Supply Sequencing
With LVD and POR, it can reliably manage power-up and power-down sequences in multi-rail systems, ensuring proper timing for FPGAs and processors.
Simple Motor Controllers
The PWM and WDT enable basic speed control for DC motors in toys, pumps, and fans, with robust fault detection for stall conditions.
User Interface Modules
Its 24MHz speed and 8KB flash are sufficient for scanning buttons, driving LEDs, and managing simple menu systems in vending machines or printers.
Automotive Aftermarket Lighting
Operating from -40°C to 85°C and 5V supply, it can control LED lighting patterns in automotive interior ambient lighting or aftermarket tail lights.
Security Systems
The WDT and LVD provide reliable operation for motion detectors and alarm keypads, ensuring continuous monitoring and tamper detection.
- Q: What core processor is used in the CY8C21345-24SXI?
- A: It uses the M8C 8-bit core.
- Q: What is the maximum operating frequency?
- A: The CPU runs at up to 24 MHz.
- Q: How much flash memory is available?
- A: It includes 8KB of program flash.
- Q: What is the supply voltage range?
- A: It operates from 3V to 5.25V.
- Q: What package is this device offered in?
- A: It comes in a 28-SOIC package.
CY8C21345-24SXI.pdf
- Q: What core processor is used in the CY8C21345-24SXI?
- A: It uses the M8C 8-bit core.
- Q: What is the maximum operating frequency?
- A: The CPU runs at up to 24 MHz.
- Q: How much flash memory is available?
- A: It includes 8KB of program flash.
- Q: What is the supply voltage range?
- A: It operates from 3V to 5.25V.
- Q: What package is this device offered in?
- A: It comes in a 28-SOIC package.
