SN74BCT623NE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The SN74BCT623NE4 is an 8-bit octal bidirectional bus transceiver from Texas Instruments in the BCT/FBT logic family, featuring independent direction control for each bus port. Port A delivers 24mA sink current at 0.5V and 3mA source current at 2.4V, housed in a 20-pin PDIP package, making it suitable for driving heavy bus loads in digital backplane and memory interface designs.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74BCT623NE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit bidirectional octal bus transceiver with independent port control
- High output drive: 24mA IOL at 0.5V VOL for heavy bus load driving
- BCT/FBT logic family for fast CMOS-compatible bus buffering
- 50pF load capacitance rating for high-capacitance bus interfaces
- 20-pin PDIP package for through-hole PCB assembly
- Lead-free and RoHS compliant (JESD-609 e4)
Applications
The SN74BCT623NE4 is used in memory bus expansion, processor-to-peripheral bus interfaces, and backplane data communication systems where high output drive current and bidirectional 8-bit data transfer are required. It is also employed in legacy and industrial embedded systems where through-hole 20-pin DIP bus transceivers are needed for reliable data transfer between processor and memory or I/O subsystems.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | IOL = 24MA @ VOL = 0.5V & IOH = 3MA @ VOH = 2.4V FOR PORT A |
| Control Type | INDEPENDENT CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | BCT/FBT |
| JESD-30 Code | R-PDIP-T20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | 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 | DIP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 92mA |
| Prop. Delay@Nom-Sup | 8ns |
| Propagation Delay (tpd) | 8ns |
| 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 | COMMERCIAL |
| 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
What is the maximum sink current that Port A of the SN74BCT623NE4 can deliver?
Port A of the SN74BCT623NE4 can sink up to 24mA at a VOL of 0.5V, making it well-suited for driving heavy bus loads in digital backplane and memory interface designs.
What package does the SN74BCT623NE4 come in, and how many pins does it have?
The SN74BCT623NE4 is housed in a 20-pin PDIP (Plastic Dual In-Line Package), which is ideal for through-hole PCB assembly and prototyping applications.
Is the SN74BCT623NE4 RoHS compliant?
Yes, the SN74BCT623NE4 is RoHS compliant. The 'E4' suffix in its part number indicates that it meets the JESD-609 e4 standard, confirming it is a lead-free and RoHS-compliant component.
What logic family does the SN74BCT623NE4 belong to, and what are its key characteristics?
The SN74BCT623NE4 belongs to the BCT/FBT (Bipolar CMOS Technology / Fast Bipolar Technology) logic family. Key characteristics include high-speed performance, 8-bit bidirectional bus transceiver functionality with independent direction control for each port, and a 50pF load capacitance specification.
What are the typical applications for the SN74BCT623NE4?
The SN74BCT623NE4 is typically used in digital backplane designs, memory interfaces, bus buffering applications, and any system requiring bidirectional data transfer between two buses with independent control of the data direction for each port.
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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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