74ACT11543DWRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The 74ACT11543DWRG4 is an octal registered bus transceiver from Texas Instruments ACT logic family, supporting bidirectional data transfer with independent output enable for each direction. It includes a master latch control and is housed in a 28-pin SOIC package. Suitable for high-speed bus interfacing with standard 5 V TTL logic.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- 74ACT11543DWRG4 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 registered transceiver with bidirectional data flow and independent direction control
- Independent output enable per direction allowing flexible bus arbitration
- Master latch control for register-based data capture on each direction
- ACT family: TTL-compatible inputs with CMOS-speed outputs for 5 V systems
- 28-pin SOIC package with 0.4-inch body for standard bus interface PCB layouts
Applications
The 74ACT11543DWRG4 is used in backplane bus interfacing, memory address/data bus buffering, and CPU-to-peripheral data path designs in embedded computing systems. Its registered transceiver architecture with independent enables makes it ideal for multi-master bus architectures in industrial controllers, communication boards, and VME/PCI bus extension cards.
Specifications
| YTEOL | 0 |
| Additional Feature | INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION; MASTER CONTROL FOR LATCH |
| Count Direction | BIDIRECTIONAL |
| Family | ACT |
| JESD-30 Code | R-PDSO-G28 |
| Logic IC Type | REGISTERED BUS TRANSCEIVER |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Propagation Delay (tpd) | 13.2ns |
| 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 | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 74ACT11543DWRG4:
Bus Transceiver, ACT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO28
Frequently Asked Questions
What is the supply voltage range for the 74ACT11543DWRG4?
The 74ACT11543DWRG4 operates on a supply voltage (VCC) of 4.5 V to 5.5 V, with a nominal supply voltage of 5 V. It is designed to interface with standard 5 V TTL logic levels.
What is the maximum propagation delay of the 74ACT11543DWRG4?
The 74ACT11543DWRG4 has a typical propagation delay (tPD) of approximately 7 ns and a maximum propagation delay of 11 ns at 5 V supply, making it suitable for high-speed bus interfacing applications.
How many I/O pins does the 74ACT11543DWRG4 have and what package does it use?
The 74ACT11543DWRG4 is an 8-bit (octal) registered bus transceiver housed in a 28-pin SOIC (Small Outline Integrated Circuit) package with a 0.4-inch body width. It features 8 bidirectional I/O ports with independent output enable control for each data direction.
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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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