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| Part Number | TT21403-44LQI35 | 
| Description | IC MCU 32BIT 44QFN | 
| Manufacturer | Cypress Semiconductor Corp | 
| Series | - | 
| Part Status | Obsolete | 
| Core Processor | - | 
| Core Size | 32-Bit | 
| Speed | 500kHz | 
| Connectivity | I²C, SPI | 
| Peripherals | - | 
| Number of I/O | 35 | 
| Program Memory Size | - | 
| Program Memory Type | - | 
| EEPROM Size | - | 
| RAM Size | - | 
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 5.5V | 
| Data Converters | - | 
| Oscillator Type | - | 
| Operating Temperature | - | 
| Package / Case | Surface Mount | 
| Supplier Device Package | 44-UFQFN Exposed Pad | 
| Base Part Number | 44-QFN (5x5) |