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| Part Number | CY8C20666AS-24LQXIT | CY8C20646AS-24LQXIT | CY8C20666A-24LQXIT | CY8C20666AS-24LQXI |
|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Cypress Semiconductor Corp | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Applications | Capacitive Sensing | Capacitive Sensing | Capacitive Sensing | Capacitive Sensing |
| Core Processor | M8C | M8C | M8C | M8C |
| Program Memory Type | FLASH (32kB) | FLASH (16kB) | FLASH (32kB) | FLASH (32kB) |
| Controller Series | CY8C20xx6A | CY8C20xx6A | CY8C20xx6A | CY8C20xx6A |
| RAM Size | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 |
| Interface | I²C, SPI, USB | I²C, SPI, USB | I²C, SPI, USB | I²C, SPI, USB |
| Number of I/O | 36 | 36 | 36 | 36 |
| Voltage - Supply | 1.71V ~ 5.5V | 1.71V ~ 5.5V | 1.71V ~ 5.5V | 1.71V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 48-UFQFN Exposed Pad | 48-UFQFN Exposed Pad | 48-VFQFN Exposed Pad | 48-UFQFN Exposed Pad |
| Supplier Device Package | 48-QFN (6x6) | 48-QFN (6x6) | 48-QFN (7x7) | 48-QFN (6x6) |
