74CBT16245DGGRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The 74CBT16245DGGRG4 is a 16-bit CBT bus switch from Texas Instruments featuring eight 1:1 unidirectional channels with TTL-compatible control logic operating at 5V supply. It supports high-speed bus switching with a 50pF load capacitance and common control inputs in a 48-pin TSSOP package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 48
- Lifecycle
- OBSOLETE
- Datasheet
- 74CBT16245DGGRG4 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
- Eight independent 1:1 unidirectional CBT bus switch channels for transparent, low-resistance signal routing
- TTL-compatible common control inputs enabling straightforward integration with 5V logic bus architectures
- 50pF load capacitance rating and high-speed switching in a compact 48-pin TSSOP surface-mount package
Applications
The 74CBT16245DGGRG4 is used in data bus multiplexing and isolation applications in microprocessor systems, memory interfaces, and backplane designs where low-resistance, transparent bus switching is required. It suits applications such as address/data bus sharing between multiple masters, live insertion boards, and FPGA I/O expansion where signal integrity is critical. The 5V TTL-compatible control simplifies interface with legacy logic families in mixed-voltage systems.
Specifications
| YTEOL | 0 |
| Additional Feature | TTL COMPATIBLE BUS SWITCH |
| Control Type | COMMON CONTROL |
| Count Direction | UNIDIRECTIONAL |
| Family | CBT/FST/QS/5C/B |
| JESD-30 Code | R-PDSO-G48 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Number of Bits | 8 |
| Number of Functions | 2 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP48,.3,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.003mA |
| Prop. Delay@Nom-Sup | 0.25ns |
| Propagation Delay (tpd) | 0.35ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 74CBT16245DGGRG4:
Bus Driver, CBT/FST/QS/5C/B Series, 2-Func, 8-Bit, True Output, CMOS, PDSO48
Frequently Asked Questions
How many channels does the 74CBT16245DGGRG4 have?
The 74CBT16245DGGRG4 contains eight 1:1 unidirectional bus switch channels, providing 16 total bus switch connections (8 A-side to 8 B-side). Common control inputs allow simultaneous enable/disable of all channels for simplified bus switching control.
What is the operating voltage of the 74CBT16245DGGRG4?
The 74CBT16245DGGRG4 operates at a 5V supply voltage and features TTL-compatible control inputs. This makes it directly compatible with 5V TTL and CMOS logic systems commonly used in legacy microprocessor and embedded system designs.
What package does the 74CBT16245DGGRG4 use?
The 74CBT16245DGGRG4 is housed in a 48-pin TSSOP (Thin Shrink Small Outline Package, JESD-30 code R-PDSO-G48) surface-mount package. The compact TSSOP footprint is suitable for high-density PCB designs while offering good thermal and electrical performance.
Is the 74CBT16245DGGRG4 RoHS compliant?
Yes, the 74CBT16245DGGRG4 is RoHS compliant with JESD-609 code e4, indicating it is manufactured with lead-free processes. The G4 suffix confirms it meets environmental requirements for green packaging, suitable for worldwide distribution.
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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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