SN74ABTR2245DBRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN74ABTR2245DBRG4 is an octal bidirectional bus transceiver from Texas Instruments in the ABT logic family with common direction control and 20-pin SOIC package. It supports 50pF load capacitance with 12mA output sink current for driving heavy bus loads in high-speed digital systems. Available in stock worldwide for data bus buffering, memory interfacing, and processor I/O expansion applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74ABTR2245DBRG4 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 (8-bit) bidirectional transceiver enables simultaneous two-way data bus communication with common direction control
- ABT logic family delivers high-speed switching with reduced output undershoot for clean bus signal integrity
- 12mA output sink current and 50pF rated load capacitance support driving loaded backplane and memory bus environments
- 20-pin SOIC package with standard pinout offers easy PCB integration and compatibility with common layout footprints
Applications
The SN74ABTR2245DBRG4 is designed for data bus buffering and level conversion in high-speed processor systems, DSPs, and FPGA-based designs requiring bidirectional 8-bit bus transceivers. It suits memory expansion interfaces, microprocessor bus buffering, and backplane logic where high drive strength and bus isolation are needed. Industrial computing, embedded single-board computers, and telecommunications equipment benefit from its ABT-family high-speed characteristics and robust output drive.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Control Type | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | ABT |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS TRANSCEIVER |
| Max I(ol) | 0.012A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE WITH SERIES RESISTOR |
| 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) | 32mA |
| Prop. Delay@Nom-Sup | 4.5ns |
| Propagation Delay (tpd) | 4.5ns |
| 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 | 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74ABTR2245DBRG4:
Bus Transceiver, ABT Series, 1-Func, 8-Bit, True Output, BICMOS, PDSO20
Frequently Asked Questions
How many data channels does the SN74ABTR2245DBRG4 have?
The SN74ABTR2245DBRG4 is an octal (8-bit) transceiver, providing eight bidirectional data channels in a single 20-pin SOIC package. Common direction control (DIR) and output enable (OE) pins manage all eight channels simultaneously.
What logic family does the SN74ABTR2245DBRG4 belong to?
The SN74ABTR2245DBRG4 belongs to the ABT (Advanced BiCMOS Technology) logic family. ABT devices offer fast propagation delays and high output drive strength with controlled undershoot, making them ideal for high-speed bus applications requiring signal integrity.
What is the output drive capability of the SN74ABTR2245DBRG4?
The SN74ABTR2245DBRG4 provides a maximum output sink current (Iol) of 12mA and is rated for a 50pF load capacitance. This drive strength is suitable for heavily loaded bus lines such as memory interfaces and backplane data buses.
What package does the SN74ABTR2245DBRG4 use?
The SN74ABTR2245DBRG4 is housed in a 20-pin SOIC (Small Outline IC) package with JEDEC code R-PDSO-G20. It carries a JESD-609 e4 code indicating lead-free, RoHS-compliant construction compatible with standard SMD assembly processes.
What are typical applications for the SN74ABTR2245DBRG4?
Typical applications include microprocessor and DSP data bus buffering, FPGA I/O expansion, memory interface logic, backplane bus driving, and any high-speed digital design requiring an 8-bit bidirectional bus transceiver with robust output drive capability.
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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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