Texas Instruments · I/O Expanders
TCA9555RTWR
Texas Instruments I/O Expanders · WQFN-24-EP(4x4)
Request a quote for TCA9555RTWRThe TCA9555RTWR is an I/O Expanders from Texas Instruments, supplied in a WQFN-24-EP(4x4) package. It is listed in our Interface ICs catalog (Analog & Mixed Signal).
Key specifications of the TCA9555RTWR: interface I2C, SMBus, clock frequency 400kHz, voltage - supply 1.65V~5.5V, current - output high(ioh) 10mA, operating temperature -40°C~+85°C and current - output low(iol) 25mA.
PartnerSemi sources the TCA9555RTWR for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.
Specifications
| Manufacturer part number | TCA9555RTWR |
|---|---|
| Manufacturer | Texas Instruments |
| Product type | I/O Expanders |
| Category | Interface ICs |
| Package / case | WQFN-24-EP(4x4) |
| Clock Frequency | 400kHz |
| Current - Output High(IOH) | 10mA |
| Current - Output Low(IOL) | 25mA |
| Interface | I2C, SMBus |
| Interrupt Output | Interrupt Output |
| Number of I/O | 16 |
| Number of Supporting Devices | 8 |
| Operating Temperature | -40°C~+85°C |
| Voltage - Supply | 1.65V~5.5V |
Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.
More Texas Instruments Interface ICs
| Part number | Type | |
|---|---|---|
| TCA9554 | interface IC | |
| TCA9554PWR | I/O Expanders | |
| TCA9555 | interface IC | |
| TCA9555PWR | I/O Expanders | |
| TCAL6416 | interface IC | |
| TCAL6416PWR | I/O Expanders | |
| TCAN1042DRQ1 | CAN Transceivers | |
| TCAN1042G-Q1 | interface IC |
Similar part numbers from other manufacturers
Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.
| Part number | Manufacturer | Type | |
|---|---|---|---|
| TCA9555RTWR(UMW) | UMW Youtai Semiconductor Co Ltd | I/O Expanders |
Frequently asked questions
What is the TCA9555RTWR?
The TCA9555RTWR is an I/O Expanders from Texas Instruments, supplied in a WQFN-24-EP(4x4) package. It is listed in our Interface ICs catalog (Analog & Mixed Signal).
What are the specifications of the TCA9555RTWR?
Clock Frequency: 400kHz; Current - Output High(IOH): 10mA; Current - Output Low(IOL): 25mA; Interface: I2C, SMBus; Interrupt Output: Interrupt Output; Number of I/O: 16; Number of Supporting Devices: 8; Operating Temperature: -40°C~+85°C; Voltage - Supply: 1.65V~5.5V.
What package is the TCA9555RTWR in?
The TCA9555RTWR is listed in a WQFN-24-EP(4x4) package.
Which part numbers are similar to the TCA9555RTWR?
Similar part numbers in our catalog include TCA9555RTWR(UMW) (UMW Youtai Semiconductor Co Ltd). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the TCA9555RTWR?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=TCA9555RTWR&brand=Texas%20Instruments or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.