STM32F103CBT6 Alternatives: 128 KB Flash MCU Guide
The same die, the same 48-pin footprint, twice the flash — and the firmware work most people forget before they swap.
Read articlePCA9557PWR - Texas Instruments Interface IC, TSSOP-16
Regular price
21,00 kr
After you place an order, our sales team will send written confirmation of the final price, shipping charges, and estimated delivery lead time. Import duties, taxes, brokerage fees, and other destination charges are the customer's responsibility. When needed, we can assist with available product information and customs documents for import declaration; final customs clearance and payment remain the customer's responsibility.
Couldn't load pickup availability
PCA9557PWR
10mA 25mA I2C, SMBus 8 2.3V 5.5V 400KHz TSSOP-16 surface mount 1.2mm(high)
Available Stock: 1999TSSOP-16Active
ManufacturerTexas Instruments
PackageTSSOP-16
Stock1999
Standard Pack2000
Pricing & Ordering
Unit Price$1.9982
Basic Information
| Manufacturer | Texas Instruments |
|---|---|
| Manufacturer Part Number | PCA9557PWR |
| IC Category | RF Integrated Circuits |
| Package | TSSOP-16 |
| Lifecycle Status | Active |
Technical Attributes
| Programmable | Not Verified |
|---|---|
| Number of I/O | 8 |
| Interface | I2C, SMBus |
| Interrupt Output | No |
| Features | POR |
| Output Type | Open Drain, Push-Pull |
| Current - Output Source/Sink | 10mA, 25mA |
| Clock Frequency | 400 kHz |
| Voltage - Supply | 2.3V ~ 5.5V |
| Operating Temperature | -40 degC ~ 85 degC |
| Mounting Type | Surface Mount |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 16-TSSOP |
Inventory and pricing are updated regularly. Technical data is provided for engineering reference.
Datasheet
Download PDFMANUFACTURER ACCESS
Manufacturers We Source
Browse frequently requested semiconductor and electronic component manufacturers, then search the catalog or submit an RFQ for the exact part you need.
From the desk
Recent Articles
Market signals, technical notes, and practical sourcing guidance for semiconductor procurement.
TP4056 Alternatives: Li-Ion Charger Cross-Reference
The one-amp linear charger on millions of USB boards: what to match, what to add for safety, and when a linear charger is the wrong choice.
Read article
ULN2003A Alternatives: Darlington Array Cross-Reference
Seven channels, built-in clamp diodes, and a pinout that has not changed in forty years — what to check before you substitute one.
Read article
W25Q64 Alternatives: 64 Mbit NOR Cross-Reference
The 8 MB SPI flash behind a million embedded designs: package traps, firmware checks, and when 64 Mbit is still the right density.
Read article
MAX3232 Alternatives: RS-232 Transceiver Cross-Reference
The 16-pin transceiver that turns 3.3 V logic into RS-232: which parts really fit, and why the charge-pump capacitors decide the outcome.
Read article
AMS1117-3.3 Alternatives: LDO Cross-Reference Guide
The three-terminal regulator on millions of boards: which parts really fit, and why the thermal math matters more than the pinout.
Read article
LM2596 Alternatives: Drop-In and Functional Options
A 3 A buck converter that refuses to die: which replacements fit the same pads, which need a new layout, and how to choose between them.
Read article
STM32F103C8T6 Alternatives: Pin-to-Pin Cross-Reference
The 48-pin Cortex-M3 that became an industry default: which alternatives really fit, and what breaks when you swap one in.
Read article