| Part Number | CY8C20637-24LQXIT | CY8C20667-24LQXIT | 
|---|---|---|
| Manufacturer | Infineon Technologies | Cypress Semiconductor Corp | 
| Category | Embedded - Microcontrollers - Application Specific | Embedded - Microcontrollers - Application Specific | 
|   |   | |
| Product Status | Active | Obsolete | 
| Applications | Capacitive Sensing | Capacitive Sensing | 
| Core Processor | M8C | M8C | 
| Program Memory Type | FLASH (8kB) | FLASH (32kB) | 
| Controller Series | CY8C20xx7/S | CY8C20xx7/S | 
| RAM Size | 1K x 8 | 3K x 8 | 
| Interface | I²C, SPI | I²C, SPI | 
| Number of I/O | 36 | 33 | 
| Voltage - Supply | 1.71V ~ 5.5V | 1.71V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 48-UFQFN Exposed Pad | 48-UFQFN Exposed Pad | 
| Supplier Device Package | 48-QFN (6x6) | 48-QFN (6x6) |