SN74LV240ANS Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN74LV240ANS is an octal bus driver with 3-state outputs and active-low output enable from Texas Instruments in the LV logic family. Features inverted outputs, 50pF load capacitance, and 16mA output current in a 20-pin SOP package. RoHS compliant and available worldwide for low-voltage bus driving applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74LV240ANS 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
- Octal inverting bus driver with 3-state outputs controlled by active-low output enable for bidirectional bus isolation
- LV/LV-A logic family supports 1.65V to 5.5V operation enabling seamless interfacing between different logic voltage domains
- 50pF load capacitance rating with 16mA output sink current suitable for driving standard logic bus lines
- Lead-free JESD-609 e4 compliant in 20-pin SOP (R-PDSO-G20) package for compact surface-mount assembly
Applications
The SN74LV240ANS is used as a bus driver and line buffer in microprocessor address and data buses, memory interfaces, and I/O expansion circuits requiring signal isolation and drive strength enhancement. Its 3-state output control makes it ideal for shared bus architectures in embedded systems, industrial controllers, and multi-master communication designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | LV/LV-A/LVX/H |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.016A |
| Number of Bits | 4 |
| Number of Functions | 2 |
| 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 |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.02mA |
| Prop. Delay@Nom-Sup | 8.5ns |
| Propagation Delay (tpd) | 17ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What function does the SN74LV240ANS perform?
The SN74LV240ANS is an octal inverting bus driver with 3-state outputs. It buffers and inverts 8 input signals simultaneously, with output enable controlled by an active-low OE pin that places all outputs in a high-impedance state when deasserted, allowing multiple devices to share a common bus.
What supply voltage range does the SN74LV240ANS support?
The SN74LV240ANS belongs to the LV/LV-A/LVX/H logic family and supports supply voltages from approximately 1.65V to 5.5V, making it compatible with both 3.3V and 5V logic systems and useful for level-tolerant bus driving in mixed-voltage designs.
What package does the SN74LV240ANS use?
The SN74LV240ANS is housed in a 20-pin SOP (Small Outline Package, JESD-30 code R-PDSO-G20), a standard surface-mount package offering a good balance between PCB footprint, ease of soldering, and signal density for 8-bit bus driver applications.
Is the SN74LV240ANS RoHS compliant?
Yes, the SN74LV240ANS carries a JESD-609 Code of e4 and a Pb-free designation, confirming it is lead-free and fully RoHS compliant, meeting global environmental standards for consumer, industrial, and telecommunications electronic equipment.
What are typical applications for the SN74LV240ANS?
Typical applications include microprocessor and microcontroller bus buffering, memory interface driving, I/O port expansion, and signal isolation in embedded systems and industrial electronics where unidirectional data flow with 3-state control is required on a shared logic bus.
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