SN74ABT646DWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74ABT646DWG4 is an 8-bit bidirectional bus transceiver with registered output from Texas Instruments, housed in a 24-pin SOIC package. It features independent direction control and a select input for multiplexed transmission of registered or real-time data with 50pF load capacitance. Available in stock globally for high-speed TTL bus interface applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 24
- Lifecycle
- OBSOLETE
- Datasheet
- SN74ABT646DWG4 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 SN74ABT646DWG4?
- 8-bit bidirectional registered bus transceiver with independent direction control for flexible data bus management
- Multiplexed select input enables switching between registered and real-time data transmission on the same bus
- ABT logic family with 50pF load capacitance in a compact 24-pin SOIC (R-PDSO-G24) package
- RoHS compliant Pb-free design (JESD-609 Code e4) suitable for modern green electronics manufacturing
What is SN74ABT646DWG4 used for?
The SN74ABT646DWG4 is ideal for high-speed data bus buffering and latching in microprocessor systems, backplane interfaces, and memory bus applications where bidirectional data flow is required. Its registered output with multiplexed select capability makes it well-suited for CPU-to-peripheral communication and multi-master bus architectures. The ABT family's high-speed TTL compatibility ensures reliable operation in 5V digital systems with demanding signal integrity requirements.
What are the specifications of SN74ABT646DWG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA |
| Control Type | INDEPENDENT CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | ABT |
| JESD-30 Code | R-PDSO-G24 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | REGISTERED BUS TRANSCEIVER |
| Max I(ol) | 0.064A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| 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) | 30mA |
| Prop. Delay@Nom-Sup | 6.9ns |
| Propagation Delay (tpd) | 8.4ns |
| 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 | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| 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 SN74ABT646DWG4 datasheet?
SN74ABT646DWG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74ABT646DWG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does the SN74ABT646DWG4 do?
The SN74ABT646DWG4 is an 8-bit bidirectional bus transceiver with register function. It transfers data in both directions between two buses and can latch data in its internal register, supporting both registered and real-time data transmission modes selectable via a dedicated input pin.
What is the package type and pin count of the SN74ABT646DWG4?
The SN74ABT646DWG4 uses a 24-pin SOIC (Small Outline Integrated Circuit) package, designated R-PDSO-G24. This surface-mount package is compact and suitable for high-density PCB layouts requiring bidirectional bus interface components.
What logic family does the SN74ABT646DWG4 belong to?
The SN74ABT646DWG4 belongs to the ABT (Advanced BiCMOS Technology) logic family, which provides high-speed TTL-compatible performance with 5V supply operation and 50pF load capacitance tolerance for robust bus driving.
Is the SN74ABT646DWG4 suitable for bidirectional data bus designs?
Yes, the SN74ABT646DWG4 is specifically designed for bidirectional data bus applications. Its independent direction control input allows the device to act as either a transmitter or receiver, making it ideal for CPU bus interfaces and multi-master communication systems.
Is the SN74ABT646DWG4 RoHS compliant?
Yes, the G4 suffix on SN74ABT646DWG4 indicates it is a green, Pb-free RoHS-compliant device with JESD-609 Code e4, meeting environmental standards for hazardous substance restrictions required in modern electronics manufacturing.
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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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