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TCAL6416 I²C-bus/SMBus I/O Expander

Texas Instruments TCAL6416 I²C-bus/SMBus I/O Expander allows a general-purpose parallel input/output (I/O) expansion solution for the two-line bidirectional I²C bus (or SMBus) protocol. The TCAL6416 features a 1.08V to 3.6V power supply voltage on the I²C bus side (VCCI) and a power supply voltage ranging from 1.08V to 3.6V on the P-port side (VCCP).

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Series	Mounting Style	Package/Case	Interface Type	Number of I/Os	Interrupt Output	Supply Voltage - Min	Supply Voltage - Max	Maximum Clock Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Packaging	ESD Protection
	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416DGSR Texas Instruments 1: HK$17.18 6,601In Stock New Product	Mfr. Part No. TCAL6416DGSR Mouser Part No 595-TCAL6416DGSR New Product	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416 expander	Datasheet	6,601In Stock	Cut Tape HK$17.18 HK$12.74 HK$11.59 HK$10.36 View Reel HK$9.21 HK$9.78 HK$9.45 HK$9.21 HK$9.21	Min.: 1 Mult.: 1 Max.: 1,001 : 5,000			TCAL6416	SMD/SMT	VSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape	With ESD Protection
	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416PWR Texas Instruments 1: HK$17.34 3,083In Stock	Mfr. Part No. TCAL6416PWR Mouser Part No 595-TCAL6416PWR	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416 expander	Datasheet	3,083In Stock	Cut Tape HK$17.34 HK$12.82 HK$11.75 HK$10.44 Reel HK$8.80 View HK$9.86 HK$9.54 HK$9.37 HK$8.47 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			TCAL6416	SMD/SMT	TSSOP-24	I2C, Serial, SMBus		With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416RDTOR Texas Instruments 1: HK$20.96 980In Stock 3,000Expected 15/3/2027	Mfr. Part No. TCAL6416RDTOR Mouser Part No 595-TCAL6416RDTOR	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416r i2c bus smbus io expander	Datasheet	980In Stock 3,000Expected 15/3/2027	HK$20.96 HK$15.62 HK$14.22 HK$12.74 View HK$11.84 HK$11.43 HK$11.18 HK$10.44 HK$10.19	Min.: 1 Mult.: 1			TCAL6416R	SMD/SMT	X2QFN-24	I2C, Serial, SMBus		With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		4 kV
	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416RTWR Texas Instruments 1: HK$17.34 4,980On Order	Mfr. Part No. TCAL6416RTWR Mouser Part No 595-TCAL6416RTWR	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416 expander	Datasheet	4,980On Order On Order Ship Dates Mfr. No: TCAL6416RTWR Stock: 0 On Order: 1,980 Expected 26/10/2026 3,000 Expected 29/4/2027 Factory Lead Time: 20 Weeks	Cut Tape HK$17.34 HK$12.82 HK$11.75 HK$10.44 Reel HK$8.71 View HK$9.86 HK$9.54 HK$9.37 HK$8.47 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			TCAL6416	SMD/SMT	WQFN-24	I2C, Serial	16 I/O	With Interrupt	1.08 V	3.6 V	100 kHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV