SN74BCT543DW Texas Instruments Integrated Circuit (Other) In Stock
SN74BCT543DW is an octal registered bidirectional bus transceiver with independent output enable control for each direction, featuring 50pF load capacitance and BCT/FBT logic family. From $7.425, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- SN74BCT543DW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.4250(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74BCT543DW?
- Bidirectional data transfer with independent output enable for each direction
- Master control latch for simultaneous 8-bit data storage and transfer
- BCT/FBT logic family for high-speed, low-power operation
- 50pF load capacitance for reliable signal integrity in bus applications
- SOIC-24 wide-body package (R-PDSO-G24) for easy PCB integration
What is SN74BCT543DW used for?
The SN74BCT543DW is widely used in high-speed data bus buffering and bidirectional data transfer between microprocessors and peripheral devices. It is ideal for backplane bus interfaces, memory systems, and data communication equipment where bidirectional control with latch capability is required. Its independent output enable for each direction makes it suitable for complex bus arbitration in industrial and embedded computing applications.
What are the specifications of SN74BCT543DW?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION; MASTER CONTROL FOR LATCH |
| Control Type | INDEPENDENT CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | BCT/FBT |
| 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 | 8 |
| 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) | 71mA |
| Prop. Delay@Nom-Sup | 9.6ns |
| Propagation Delay (tpd) | 12.7ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Taiwan |
Where can I find the SN74BCT543DW datasheet?
SN74BCT543DW Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74BCT543DW?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN74BCT543DW and what are its key specifications?
The SN74BCT543DW is an octal registered bidirectional bus transceiver from Texas Instruments in the BCT/FBT logic family. It features independent output enable control for each transfer direction, a master latch control, 50pF load capacitance (CL), and comes in a 24-pin SOIC wide-body package (R-PDSO-G24). It supports bidirectional data flow with registered outputs for reliable high-speed bus operation.
What are the typical applications for the SN74BCT543DW?
The SN74BCT543DW is commonly used in microprocessor-to-peripheral bus buffering, backplane data bus interfaces, memory subsystems, and industrial embedded computing platforms. Its bidirectional registered transceiver architecture makes it well suited for applications requiring simultaneous data latch and transfer control across 8-bit parallel data buses.
What package does the SN74BCT543DW come in and is it RoHS compliant?
The SN74BCT543DW is housed in a 24-pin wide SOIC package (JESD-30 code: R-PDSO-G24), which is a standard surface-mount form factor. It is RoHS compliant (Pbfree Code: Yes, JESD-609 Code: e4), making it suitable for environmentally regulated designs in consumer, industrial, and automotive electronics.
Are there pin-compatible alternatives or replacements for the SN74BCT543DW?
Compatible alternatives include the SN74BCT543B and SN74ABT543 series from Texas Instruments, which offer similar octal registered transceiver functionality with comparable pinouts. Other manufacturers such as NXP and ON Semiconductor offer 74BCT543 equivalents. Always verify voltage levels, timing parameters, and output drive strength when substituting to ensure drop-in compatibility.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $13.7531 | $13.75 |
| 7+ | $12.2250 | $85.58 |
| 21+ | $11.3081 | $237.47 |
| 110+ | $8.1675 | $898.43 |
| 246+ | $7.4250 | $1826.55 |
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