SN74LS266D Texas Instruments Integrated Circuit (Other) In Stock
The SN74LS266D is a quad 2-input exclusive-NOR gate IC with open-collector outputs, featuring four independent XNOR logic gates in a 14-pin SOIC package. It operates with a maximum output sink current of 8 mA and 15 pF load capacitance. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74LS266D Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Quad 2-input XNOR gates with open-collector outputs for flexible wired-AND bus configurations
- Low-power Schottky (LS) logic family with high noise immunity and 8 mA maximum output sink current
- 14-pin SOIC (R-PDSO-G14) package enabling compact PCB layouts with RoHS-compliant (e4) construction
Applications
The SN74LS266D is ideal for digital comparison circuits, parity generation and checking, and equality detection in data communications. Its open-collector outputs allow multiple gates to share a common bus line, making it suitable for wired-AND logic in microprocessor and memory interface designs. The device also finds use in error detection circuits and combinational logic applications requiring XNOR functionality.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | LS |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 15pF |
| Logic IC Type | XNOR GATE |
| Max I(ol) | 0.008A |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Output Characteristics | OPEN-COLLECTOR |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 13mA |
| Prop. Delay@Nom-Sup | 30ns |
| Propagation Delay (tpd) | 30ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LS266D:
Frequently Asked Questions
What is the maximum output sink current for the SN74LS266D?
The SN74LS266D has a maximum output low sink current (I_OL) of 8 mA. This open-collector output allows the device to drive external loads directly, making it suitable for bus-driving and wired-AND configurations where multiple outputs share a common line.
What package type does the SN74LS266D use and how many pins does it have?
The SN74LS266D comes in a 14-pin Small Outline Integrated Circuit (SOIC) package, designated JESD-30 code R-PDSO-G14. This surface-mount package is compact and widely used in PCB designs requiring automated assembly, offering a good balance between board space and thermal performance.
Can the SN74LS266D be used in parity checking circuits?
Yes, the SN74LS266D is well-suited for parity checking and generation applications. With four independent 2-input XNOR gates, it can detect bit equality in data words, making it a fundamental building block in error detection and data validation circuits commonly used in digital communications and memory systems.
Is the SN74LS266D RoHS compliant?
Yes, the SN74LS266D carries a JESD-609 code of e4, indicating it is a lead-free and RoHS-compliant component. The Pbfree Code is marked as Yes, making it suitable for modern manufacturing environments that require compliance with environmental regulations restricting hazardous substances in electronics.
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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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