SN74CBTD3861PW Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74CBTD3861PW is a 10-bit TTL-compatible bus switch from Texas Instruments with a 4.5V to 5.5V supply range and 50pF load capacitance. It features unidirectional control with active-low enable in a TSSOP-24 package rated from -40°C to +85°C. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 24
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- SN74CBTD3861PW 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
- 10-bit TTL-compatible bus switch enables seamless signal routing between logic buses with minimal delay
- Ultra-low ON-state resistance minimizes signal distortion when switching high-speed data lines
- Active-low enable control simplifies bus arbitration and glitch-free switching in multi-master systems
- TSSOP-24 compact package reduces PCB footprint for high-density board designs
Applications
The SN74CBTD3861PW is well suited for high-speed data bus switching applications in desktop computers, servers, and embedded systems where multiple devices share a common data bus. It enables efficient bus expansion and signal multiplexing in memory interface circuits, backplane architectures, and peripheral connectivity modules. The TTL-compatible inputs and wide temperature range of -40°C to +85°C make it reliable for both industrial and commercial equipment.
Specifications
| Pbfree Code | Yes |
| YTEOL | 3.9 |
| Additional Feature | TTL COMPATIBLE BUS SWITCH |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | CBT/FST/QS/5C/B |
| JESD-30 Code | R-PDSO-G24 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Number of Bits | 10 |
| Number of Functions | 10 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP24,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.003mA |
| Prop. Delay@Nom-Sup | 0.35ns |
| Propagation Delay (tpd) | 0.35ns |
| 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 | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| 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 | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74CBTD3861PW:
Bus Driver, CBT/FST/QS/5C/B Series, 10-Func, 10-Bit, True Output, CMOS, PDSO24
Bus Driver, CBT/FST/QS/5C/B Series, 1-Func, 10-Bit, True Output, CMOS, PDSO24
Bus Driver, CBT/FST/QS/5C/B Series, 10-Func, 10-Bit, True Output, CMOS, PDSO24
Bus Driver, CBT/FST/QS/5C/B Series, 10-Func, 10-Bit, True Output, CMOS, PDSO24
Bus Driver, CBT/FST/QS/5C/B Series, 10-Func, 5-Bit, True Output, CMOS, PDSO24
Bus Driver, CBT/FST/QS/5C/B Series, 10-Func, 10-Bit, True Output, CMOS, PDSO24
Frequently Asked Questions
What is the supply voltage range for the SN74CBTD3861PW?
The SN74CBTD3861PW operates on a supply voltage range of 4.5V to 5.5V, making it optimized for 5V TTL and CMOS logic systems. Ensure the system power supply remains within this range to guarantee specified switching performance and reliability.
What is the load capacitance rating of the SN74CBTD3861PW?
The SN74CBTD3861PW is rated for a load capacitance of up to 50pF, which is typical for board-level bus switching applications. This capacitance rating supports standard PCB trace lengths and moderate fan-out configurations without requiring additional buffering.
What package does the SN74CBTD3861PW come in?
The SN74CBTD3861PW is available in a TSSOP-24 (Thin Shrink Small Outline Package) surface-mount package with 24 pins. The TSSOP package provides a small footprint suitable for high-density PCB layouts and is compatible with standard reflow soldering processes.
What is the operating temperature range of the SN74CBTD3861PW?
The SN74CBTD3861PW is rated for an operating temperature range of -40°C to +85°C, qualifying it for industrial and automotive-grade applications. This range covers most outdoor, factory, and vehicular environments where temperature extremes are common.
Is the SN74CBTD3861PW RoHS compliant?
Yes, the SN74CBTD3861PW is RoHS compliant and lead-free (Pb-free code: Yes), meeting the European Union's Restriction of Hazardous Substances directive requirements. This makes it suitable for environmentally conscious designs and products sold in regulated markets worldwide.
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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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