CY74FCT257CTDE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
CY74FCT257CTDE4 is a quad 2-to-1 data multiplexer from Texas Instruments in the FCT logic family. It features four 2-input mux channels with 3-state outputs, 50pF load capacitance, and a 16-pin SOIC package. Available from stock worldwide with competitive pricing for digital data routing applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CY74FCT257CTDE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CY74FCT257CTDE4?
- Quad 2-to-1 multiplexer with four independent channels for flexible data selection
- 3-state outputs supporting bus-sharing and high-impedance tri-state operation
- FCT family for fast CMOS technology with 64mA output sink current capability
- 16-pin SOIC package (Green/RoHS compliant) for easy PCB assembly and soldering
- 50pF load capacitance specification ensuring stable high-speed signal switching
What is CY74FCT257CTDE4 used for?
The CY74FCT257CTDE4 is ideal for data bus multiplexing in microprocessor systems where multiple data sources share a common output bus. Its 3-state outputs make it suitable for backplane bus architectures and memory address multiplexing in embedded and industrial control systems. It is also used in test equipment and communication circuits requiring reliable 2-to-1 data path selection.
What are the specifications of CY74FCT257CTDE4?
| YTEOL | 0 |
| Family | FCT |
| JESD-30 Code | R-PDSO-G16 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | MULTIPLEXER |
| Max I(ol) | 0.064A |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Number of Outputs | 1 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power Supply Current-Max (ICC) | 0.2mA |
| Prop. Delay@Nom-Sup | 4.3ns |
| Propagation Delay (tpd) | 4.3ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Where can I find the CY74FCT257CTDE4 datasheet?
CY74FCT257CTDE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CY74FCT257CTDE4?
Compatible alternatives and drop-in replacements for CY74FCT257CTDE4:
Multiplexer, FCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16
Frequently Asked Questions
What type of logic function does the CY74FCT257CTDE4 perform?
The CY74FCT257CTDE4 is a quad 2-to-1 multiplexer with 3-state outputs, providing four independent data selection channels each capable of routing one of two inputs to a single output based on a select signal.
What is the output drive capability of the CY74FCT257CTDE4?
The CY74FCT257CTDE4 features a maximum output low current (I_OL) of 64mA, making it capable of driving moderate bus loads in FCT-compatible digital logic systems with a 50pF load capacitance specification.
What package does the CY74FCT257CTDE4 use?
The CY74FCT257CTDE4 comes in a 16-pin SOIC (Small Outline IC) package in a green, RoHS-compliant plastic enclosure, well-suited for standard surface-mount PCB assembly processes.
What does the 3-state output feature mean on the CY74FCT257CTDE4?
The 3-state (tri-state) outputs allow the device to be disabled into a high-impedance state, enabling multiple devices to share a common output bus line without signal contention in microprocessor and memory systems.
What are common applications for the CY74FCT257CTDE4?
Common applications include microprocessor data bus multiplexing, memory address routing, backplane data sharing circuits, test and measurement equipment, and any digital system requiring selective routing of two data sources to one output line.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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