Texas Instruments · I/O Expanders
PCA9557PWR
Texas Instruments I/O Expanders · TSSOP-16
Request a quote for PCA9557PWRThe PCA9557PWR is an I/O Expanders from Texas Instruments, supplied in a TSSOP-16 package. It is listed in our Interface ICs catalog (Analog & Mixed Signal).
Key specifications of the PCA9557PWR: interface I2C, SMBus, clock frequency 400kHz, quiescent supply current 1uA, current - output high(ioh) 10mA, operating temperature -40°C~+85°C and current - output low(iol) 25mA.
PartnerSemi sources the PCA9557PWR 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 | PCA9557PWR |
|---|---|
| Manufacturer | Texas Instruments |
| Product type | I/O Expanders |
| Category | Interface ICs |
| Package / case | TSSOP-16 |
| Clock Frequency | 400kHz |
| Current - Output High(IOH) | 10mA |
| Current - Output Low(IOL) | 25mA |
| Interface | I2C, SMBus |
| Interrupt Output | No Interrupt Output |
| Number of I/O | 8 |
| Number of Supporting Devices | 8 |
| Operating Temperature | -40°C~+85°C |
| Output Logic Level - High | 4V |
| Output Logic Level - Low | 500mV |
| Output Type | Push-Pull, Open-drain |
| Quiescent Supply Current | 1uA |
| Voltage - Supply | 2.3V~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 | |
|---|---|---|
| PCA9554PW | I/O Expanders | |
| PCA9555 | interface IC | |
| PCA9555DBR | I/O Expanders | |
| PCA9557 | interface IC | |
| PCF8574 | interface IC | |
| PCF8574A | interface IC | |
| PCF8574ANE4 | I/O Expanders | |
| PCF8574APWR | I/O Expanders |
Similar part numbers from other manufacturers
Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.
| Part number | Manufacturer | Type | |
|---|---|---|---|
| PCA9557PW | NXP Semiconductors | Interface IC |
Frequently asked questions
What is the PCA9557PWR?
The PCA9557PWR is an I/O Expanders from Texas Instruments, supplied in a TSSOP-16 package. It is listed in our Interface ICs catalog (Analog & Mixed Signal).
What are the specifications of the PCA9557PWR?
Clock Frequency: 400kHz; Current - Output High(IOH): 10mA; Current - Output Low(IOL): 25mA; Interface: I2C, SMBus; Interrupt Output: No Interrupt Output; Number of I/O: 8; Number of Supporting Devices: 8; Operating Temperature: -40°C~+85°C; Output Logic Level - High: 4V; Output Logic Level - Low: 500mV; Output Type: Push-Pull, Open-drain; Quiescent Supply Current: 1uA; Voltage - Supply: 2.3V~5.5V.
What package is the PCA9557PWR in?
The PCA9557PWR is listed in a TSSOP-16 package.
Which part numbers are similar to the PCA9557PWR?
Similar part numbers in our catalog include PCA9557PW (NXP Semiconductors). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the PCA9557PWR?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=PCA9557PWR&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.