SN74CBT3345CDBRE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments SN74CBT3345CDBRE4 is a 16-bit bus switch and buffer driver with 3-state outputs in a 20-pin SOIC package. Features CBT family near-zero propagation delay switching and 50pF load capacitance for high-speed bus interfacing. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74CBT3345CDBRE4 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
What are the key features of SN74CBT3345CDBRE4?
- 16-bit bus switch architecture provides near-zero propagation delay for transparent data path switching
- 3-state outputs allow clean disconnection from the bus enabling true bus isolation and sharing
- CBT/FST switch family offers flat ON-resistance for signal integrity in high-frequency bus designs
- Dual enable controls (active-low and active-high) provide flexible direction and enable management
What is SN74CBT3345CDBRE4 used for?
The SN74CBT3345CDBRE4 is designed for high-speed data bus switching in servers, workstations, and embedded computing systems where multiple bus masters need to share a common data path. It is commonly used in memory subsystems, PCI bus interfaces, and FPGA data path expansion to connect or isolate bus segments with minimal signal delay. Its near-zero propagation delay makes it ideal for bandwidth-critical applications in telecommunications and networking equipment.
What are the specifications of SN74CBT3345CDBRE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Control Type | ENABLE LOW/HIGH |
| Count Direction | UNIDIRECTIONAL |
| Family | CBT/FST/QS/5C/B |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Number of Bits | 1 |
| Number of Functions | 8 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.003mA |
| Prop. Delay@Nom-Sup | 0.15ns |
| Propagation Delay (tpd) | 0.24ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| 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 |
| HTS Code | 8542.39.00.60 |
Where can I find the SN74CBT3345CDBRE4 datasheet?
SN74CBT3345CDBRE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74CBT3345CDBRE4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the key advantage of the CBT family switch over standard bus drivers?
The CBT (CMOS Bus Transaction) family uses pass-transistor technology to achieve near-zero propagation delay, unlike traditional buffers with gate delays. The SN74CBT3345CDBRE4 provides a direct low-resistance switch path, preserving signal timing integrity at high data rates.
How many bits does the SN74CBT3345CDBRE4 switch?
The SN74CBT3345CDBRE4 is a 16-bit bus switch with 3-state outputs, capable of independently enabling or disabling data flow across sixteen bidirectional signal lines with a 50pF rated load capacitance per channel.
What package does the SN74CBT3345CDBRE4 use?
The SN74CBT3345CDBRE4 is packaged in a 20-pin SOIC (Small Outline Integrated Circuit) with JEDEC code R-PDSO-G20, offering a compact surface-mount footprint suitable for high-density PCB layouts in computing and communication designs.
Is the SN74CBT3345CDBRE4 RoHS compliant?
Yes, the SN74CBT3345CDBRE4 is RoHS compliant and lead-free (JESD-609 code e4), making it suitable for environmentally conscious designs and compliant with international regulations for restriction of hazardous substances in electronic equipment.
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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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