TCAL6416A TC6416A 6416A I/O Expander IC

The TCAL6416A is a 16-bit I/O expander IC that communicates using the I²C/SMBus interface. It allows microcontrollers and EC chips to add additional input/output ports without hardware redesign, making it useful in laptop power control, keyboard matrix scanning, and logic switching sections. It supports standard (100 kHz) and fast-mode (400 kHz) clock speeds and operates over a wide 1.65 V to 5.5 V supply range for flexible design compatibility.

• Product Name: TCAL6416A / TC6416A / 6416A I/O Expander IC
• Manufacturer: Texas Instruments / OEM (varies by marking)
• Interface: I²C / SMBus
• I/O Width: 16-bit Channel Expansion
• Package Type: TSSOP / QFN (varies by board design)
• Application: Laptop I/O expansion – keyboard, EC control, power logic
• Stock: Ready Stock in Nehru Place, Delhi
• Condition: New & Properly Packed
• Warranty: Testing Warranty
• Quality: Quality tested by OKSpare