SN74LVTH540NSRE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74LVTH540NSRE4 is a 3.3V ABT octal bus buffer and line driver with 3-state outputs from Texas Instruments. It supports unidirectional data flow with dual active-low output enable, 50 pF load capacitance, and 64 mA sink current. Available in a 20-pin Small Outline package with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74LVTH540NSRE4 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
Key Features
- 3.3V LVT-family octal bus driver with 3-state outputs for multi-master bus sharing
- Dual active-low output enable (OE) for flexible bus control in bidirectional systems
- High output sink current of 64 mA (IOL) enabling robust bus drive capability
- 50 pF load capacitance rating for reliable signal integrity on loaded PCB traces
- Compact 20-pin SOIC package (R-PDSO-G20) for space-efficient board layouts
Applications
The SN74LVTH540NSRE4 is used in 3.3V digital systems to buffer and drive data buses in microprocessor, FPGA, and ASIC interfaces. Its 3-state outputs and dual enable controls make it ideal for memory bus expansion, address latching, and multi-board bus architectures. The device is commonly deployed in networking equipment, industrial controllers, and computing platforms where reliable high-current bus driving is required.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | WITH DUAL OUTPUT ENABLE |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | LVT |
| JESD-30 Code | R-PDSO-G20 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.064A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power Supply Current-Max (ICC) | 5mA |
| Prop. Delay@Nom-Sup | 3.8ns |
| Propagation Delay (tpd) | 4.6ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN74LVTH540NSRE4 used for?
The SN74LVTH540NSRE4 is used as an octal bus buffer and line driver in 3.3V digital systems. It provides unidirectional data buffering with 3-state outputs, making it ideal for driving address and data buses in microprocessors, FPGAs, and memory interfaces that require multiple bus masters.
What is the output sink current of the SN74LVTH540NSRE4?
The SN74LVTH540NSRE4 has a maximum output low current (IOL) of 64 mA per output. This high sink capability allows it to drive heavily loaded buses and multiple receiving devices simultaneously, ensuring proper logic levels even with significant capacitive or resistive loads.
What package does the SN74LVTH540NSRE4 come in?
The SN74LVTH540NSRE4 comes in a 20-pin Small Outline IC (SOIC) package, identified by JESD-30 code R-PDSO-G20. This industry-standard SMD package simplifies PCB integration and is compatible with automated surface-mount assembly in high-volume production.
Is the SN74LVTH540NSRE4 RoHS compliant?
Yes, the SN74LVTH540NSRE4 is lead-free and RoHS compliant as confirmed by its Pbfree Code designation. The 'E4' suffix in the part number denotes Texas Instruments' Green and RoHS-compliant packaging, meeting international environmental regulations for electronic components.
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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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