TCAL6408 I2C-Bus/SMBus I/O Expander

Texas Instruments TCAL6408 I2C-Bus/SMBus I/O Expander provides general-purpose parallel input/output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol. The device can operate with a power supply voltage ranging from 1.08V to 3.6V on the I2C bus side (VCCI) and a power supply voltage from 1.08V to 3.6V on the P-port side (VCCP).

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Description Datasheet Availability Pricing (EUR) 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
Texas Instruments Interface - I/O Expanders 8-bit translating I& sup2;C-bus/SMBus I/
Datasheet
1.724In Stock
Min.: 1
Mult.: 1

TCAL6408 SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C With ESD Protection
Texas Instruments Interface - I/O Expanders 8-bit translating I& sup2;C-bus/SMBus I/
Datasheet
2.982Expected 5/21/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

TCAL6408 SMD/SMT X2QFN-16 I2C, Serial 8 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV
Texas Instruments Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER
Datasheet
5.932Expected 2/16/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

TCAL6408 SMD/SMT UQFN-16 I2C, Serial, SMBus 9 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel