SN74ABT543ANTE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
SN74ABT543ANTE4 is an 8-bit latched bus transceiver from Texas Instruments with bidirectional non-inverting TTL logic, independent output enables for each direction, and 50 pF load capacitance tolerance, packaged in a 24-pin PDIP. Designed for high-speed data bus applications in industrial and computing systems.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 24
- Lifecycle
- OBSOLETE
- Datasheet
- SN74ABT543ANTE4 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
- 8-bit bidirectional non-inverting latched bus transceiver
- Independent output enable control for each direction
- Advanced BiCMOS Technology (ABT) for high-speed operation
- 50 pF load capacitance tolerance
- JESD-609 e4 compliant (RoHS/Pb-free)
- 24-pin PDIP package for through-hole assembly
Applications
The SN74ABT543ANTE4 is used in high-speed data bus interfacing and buffering applications in computing systems, industrial controllers, and communications equipment. It is well-suited for designs requiring bidirectional 8-bit data transfer with independent direction and latch control, such as CPU-to-memory buses, backplane interfaces, and multi-board systems.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION |
| Control Type | INDEPENDENT CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | ABT |
| JESD-30 Code | R-PDIP-T24 |
| 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 | DIP24,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 30mA |
| Prop. Delay@Nom-Sup | 6.9ns |
| Propagation Delay (tpd) | 7.1ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the SN74ABT543ANTE4 handle bidirectional data flow?
The SN74ABT543ANTE4 supports bidirectional 8-bit data transfer using independent output enables for each direction. Data can be latched and driven either from A-to-B or B-to-A depending on control input states, and the device tolerates up to 50 pF load capacitance per channel, making it suitable for loaded bus environments.
Which bus architectures benefit most from the SN74ABT543ANTE4 latch capability?
Designs using multiplexed address/data buses benefit the most, as the 8-bit latch holds stable data while the bus transitions. The ABT logic family provides fast propagation times suitable for systems running at 3.3 V to 5 V supply levels, and the 24-pin PDIP package simplifies prototyping on through-hole boards.
Is the SN74ABT543ANTE4 compatible with both 3.3 V and 5 V systems?
Yes, the SN74ABT543ANTE4 is designed for TTL-compatible voltage levels and is typically operated from a 5 V supply. The ABT family is also capable of interfacing with 3.3 V systems due to its input voltage thresholds, making it versatile for mixed-voltage environments common in industrial control applications.
What makes the PDIP-24 package of the SN74ABT543ANTE4 suitable for prototyping?
The 24-pin PDIP package has 2.54 mm (100 mil) lead pitch, allowing direct insertion into standard breadboards and prototype PCBs. This through-hole format simplifies soldering and rework during development, while the 8-bit width and independent enable signals reduce external component count in bus transceiver designs.
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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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