Product Index > Integrated Circuits (ICs) > Interface - I/O Expanders > TCA9555RTWR

All prices are in US dollars.
Digi-Key Part Number296-24857-2-ND
Price BreakUnit PriceExtended Price
Quantity Available Digi-Key Stock: 12,000
Can ship immediately

Factory Stock ? : 93,000

Manufacturer Part Number


DescriptionIC I/O EXPANDER I2C 16B 24WQFN
Lead Free Status / RoHS StatusLead free / RoHS Compliant

QuantityItem Number
Customer Reference
IC I/O EXPANDER I2C 16B 24WQFN | TCA9555RTWR | 296-24857-2-ND | Digi-Key Corp.

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

When requested quantity exceeds displayed pricing table quantities, a lesser unit price may appear on your order.
You may submit a request for quotation on quantities which are greater than those displayed in the pricing table.

Datasheets TCA9555
Analog Signal Chain Guide
I2C Guide
Product Photos RTW-24-WQFN Pkg
24-QFN Exp Pad
Manufacturer Product Page TCA9555RTWR Specifications
Standard Package ? 3,000
CategoryIntegrated Circuits (ICs)
FamilyInterface - I/O Expanders
Packaging ? Tape & Reel (TR) ? 
Number of I/O16
InterfaceI²C, SMBus
Interrupt OutputYes
Output TypePush-Pull
Current - Output Source/Sink10mA, 25mA
Frequency - Clock400kHz
Voltage - Supply1.65 V ~ 5.5 V
Operating Temperature-40°C ~ 85°C
Mounting TypeSurface Mount
Package / Case24-WFQFN Exposed Pad
Supplier Device Package24-WQFN (4x4)
Dynamic CatalogI²C I/O Expanders
Other Names296-24857-2
Alternate Package
This part is also available in the following packaging:
Digi-Key Part NumberManufacturer Part NumberManufacturerPackagingQuantity AvailableUnit PriceMinimum Quantity
296-24857-1-NDTCA9555RTWRTexas InstrumentsCut Tape (CT) ? 15,780 - Immediate
93,000 - Factory Stock
296-24857-6-NDTCA9555RTWRTexas InstrumentsDigi-Reel® ? 15,780 - Immediate

Tape & Reel, Cut Tape and Digi-Reels are all derived from the same manufacturer’s part number. Inventory from Tape & Reel is used to fulfill Cut Tape and Digi-Reel orders and will impact the total quantity available.

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NC7SZ66P5XTR-NDNC7SZ66P5XFairchild SemiconductorTape & Reel (TR) ? 9,000 - Immediate
9,000 - Factory Stock
493-12300-1-NDURS1C472MHD1TNNichiconCut Tape (CT) ? 0
493-4905-3-NDUPA1E332MHD6TNNichiconTape & Box (TB) ? 250 - Immediate

23:01:16 9/19/2014