74ACT16543DLG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The 74ACT16543DLG4 is a 16-bit non-inverting dual latched bus transceiver from Texas Instruments in a 56-pin SSOP package. It operates at 5V with independent bidirectional control and separate output enable per direction for flexible bus interfacing. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 56
- Lifecycle
- OBSOLETE
- Datasheet
- 74ACT16543DLG4 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 74ACT16543DLG4?
- 16-bit non-inverting registered bus transceiver with independent latch control for each direction, enabling flexible bidirectional data bus management
- ACT logic family provides high-speed 5V operation with TTL-compatible inputs and CMOS outputs for mixed logic system interfacing
- Independent output enable for each direction plus master latch control in a compact 56-pin SSOP package minimizes board space
What is 74ACT16543DLG4 used for?
The 74ACT16543DLG4 is used in high-speed digital systems requiring bidirectional 16-bit data bus buffering with latching, such as processor-to-memory interfaces, FPGA I/O expansion, and backplane bus interfaces. Its independent direction and enable controls make it well suited for complex bus arbitration and data multiplexing in industrial computing and communication equipment.
What are the specifications of 74ACT16543DLG4?
| YTEOL | 0 |
| Additional Feature | INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION; MASTER CONTROL FOR LATCH |
| Control Type | INDEPENDENT CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | ACT |
| JESD-30 Code | R-PDSO-G56 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | REGISTERED BUS TRANSCEIVER |
| Max I(ol) | 0.024A |
| 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 | SSOP56,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 11.6ns |
| Propagation Delay (tpd) | 13.8ns |
| 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 Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.635mm |
| 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 |
Where can I find the 74ACT16543DLG4 datasheet?
74ACT16543DLG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for 74ACT16543DLG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does 74ACT16543DLG4 manage bidirectional data transfer between wide buses?
It provides a 16-bit non-inverting latched transceiver with independent bidirectional control and separate output-enable functions for flexible bus isolation and direction management.
Which electrical conditions should be reflected in timing and loading checks?
The device operates at 5V, and the available specifications list a 50 pF load capacitance, so system timing should use the manufacturer test conditions.
What must be verified before replacing another registered bus transceiver with this MPN?
Engineers should confirm the 56-pin SSOP footprint, 16-bit architecture, 5V logic compatibility, pinout, latch controls, and output-enable behavior before approving substitution.
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Why Buy from FindMyChip
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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