The maximum clock frequency for TLC548IP is 1.5 MHz. However, it's recommended to use a clock frequency of 1 MHz or less to ensure reliable operation.
The TLC548IP has a built-in POR circuit that resets the device when the power supply voltage (VCC) rises above 1.5 V. To handle POR, ensure that the VCC pin is properly decoupled with a capacitor and that the clock signal is not applied until VCC is stable.
The recommended operating voltage range for TLC548IP is 4.5 V to 5.5 V. Operating the device outside this range may affect its performance and reliability.
TLC548IP can be interfaced with a microcontroller using a 3-wire serial interface (CLK, DIN, and DOUT). The microcontroller can send commands and data to TLC548IP using the DIN pin, and receive data from TLC548IP using the DOUT pin.
The VREF pin on TLC548IP is used to set the reference voltage for the analog-to-digital converter (ADC). The VREF pin should be connected to a stable voltage source, typically VCC or a voltage divider, to ensure accurate ADC conversions.
TLC548IP datasheet
by Texas Instruments
