SN74BCT8240ADW Texas Instruments Integrated Circuit (Other) In Stock
The SN74BCT8240ADW is an octal buffer and line driver with 3-state inverting outputs, supporting IEEE 1149.1 boundary scan. It features 24mA drive capability, 5V supply, active-low enable control, and 50pF load capacitance. From $6.58, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- SN74BCT8240ADW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.5800(MOQ 29)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74BCT8240ADW?
- Octal 3-State Inverting Buffer with 24mA output drive current for robust line driving
- IEEE 1149.1-1990 Boundary Scan (JTAG) support for in-circuit testability
- Active-low enable control for easy bus management in unidirectional applications
- BCT/FBT family with 5V supply voltage and 50pF load capacitance rating
- 24-pin SOIC package (JESD-30 R-PDSO-G24) with Pb-free (e4) compliance
What is SN74BCT8240ADW used for?
The SN74BCT8240ADW is widely used in digital bus buffering and signal isolation applications such as PCB data buses, backplane drivers, and memory interface circuits. Its boundary scan support makes it ideal for automated board-level testing in telecom, industrial control, and computing systems. The inverting 3-state outputs also suit it for address/data bus expansion in embedded and FPGA-based designs.
What are the specifications of SN74BCT8240ADW?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | SUPPORTS IEEE STANDARD 1149.1-1990 BOUNDARY SCAN |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | BCT/FBT |
| JESD-30 Code | R-PDSO-G24 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BOUNDARY SCAN BUS DRIVER |
| Max I(ol) | 0.064A |
| Number of Bits | 4 |
| Number of Functions | 8 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP24,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 52mA |
| Prop. Delay@Nom-Sup | 9ns |
| Propagation Delay (tpd) | 8ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| 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 | Taiwan |
Where can I find the SN74BCT8240ADW datasheet?
SN74BCT8240ADW Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74BCT8240ADW?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output drive current of the SN74BCT8240ADW?
The SN74BCT8240ADW provides 24mA output drive current per channel, making it suitable for driving heavily loaded buses. It operates from a 5V supply and supports a load capacitance (CL) of 50pF, ensuring signal integrity in high-fanout applications.
Does the SN74BCT8240ADW support IEEE 1149.1 boundary scan?
Yes, the SN74BCT8240ADW supports IEEE Standard 1149.1-1990 (JTAG) boundary scan, which enables in-circuit testability of assembled PCBs. This feature is essential for automated testing in telecom equipment, industrial controllers, and complex computing boards.
What package and supply voltage does the SN74BCT8240ADW use?
The SN74BCT8240ADW comes in a 24-pin SOIC (JESD-30 R-PDSO-G24) package and operates at a 5V supply voltage. It is Pb-free (JESD-609 e4 compliant), making it suitable for RoHS-compliant designs in modern electronics manufacturing.
What are typical applications for the SN74BCT8240ADW?
Typical applications include PCB data bus buffering, backplane line driving, memory interface expansion, and address bus isolation in embedded systems. The inverting 3-state outputs and boundary scan capability also make it a preferred choice in FPGA-based and test-intensive industrial designs.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 29+ | $10.2900 | $298.41 |
| 125+ | $9.2000 | $1150.00 |
| 500+ | $7.4100 | $3705.00 |
| 1000+ | $7.0000 | $7000.00 |
| 10000+ | $6.5800 | $65800.00 |
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