SN74BCT623NSRE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74BCT623NSRE4 is an octal bidirectional bus transceiver from Texas Instruments BCT logic family with independent control for each direction and 3-state outputs. It supports up to 64 mA sink current and operates in both A-to-B and B-to-A data transfer modes. Packaged in a 20-pin SOP for high-speed bus interface applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74BCT623NSRE4 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
- Octal bidirectional bus transceiver with independent direction and output enable controls
- 64 mA output sink current for driving heavy backplane and multi-receiver bus loads
- BCT/FBT BiCMOS technology combining high drive strength and CMOS-level logic inputs
- 3-state outputs with independent control preventing bus contention
- RoHS compliant lead-free E4 suffix green product
Applications
The SN74BCT623NSRE4 is used in backplane bus interfaces, CPU-to-memory bus buffering, and bidirectional data path expansion in embedded computing and industrial systems. Its independent direction and enable controls make it suitable for multi-master bus architectures, PCI-X bus extensions, and VME backplane transceiver applications requiring high drive strength bidirectional buffering.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Control Type | INDEPENDENT CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | BCT/FBT |
| JESD-30 Code | R-PDSO-G20 |
| 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 | SOP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| 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 | YES |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74BCT623NSRE4:
Bus Transceiver, BCT/FBT Series, 1-Func, 8-Bit, True Output, BICMOS, PDSO20
Bus Transceiver, BCT/FBT Series, 1-Func, 8-Bit, True Output, BICMOS, PDSO20
Bus Transceiver, BCT/FBT Series, 1-Func, 8-Bit, True Output, BICMOS, PDSO20
Frequently Asked Questions
What is the maximum sink current supported by the SN74BCT623NSRE4?
The SN74BCT623NSRE4 supports a maximum sink current of 64 mA (I_OL = 0.064 A), making it suitable for high-drive bus interface applications where robust current handling is required.
In what transfer directions can the SN74BCT623NSRE4 operate?
The SN74BCT623NSRE4 is a bidirectional bus transceiver that supports both A-to-B and B-to-A data transfer modes. Each direction is controlled independently via separate direction control signals, giving designers full flexibility over bus communication.
What package does the SN74BCT623NSRE4 use and how many pins does it have?
The SN74BCT623NSRE4 is housed in a 20-pin Small Outline Package (SOP), also identified by the JESD-30 code R-PDSO-G20. This compact surface-mount package is well-suited for space-constrained PCB designs in high-speed bus interface applications.
Is the SN74BCT623NSRE4 RoHS compliant?
Yes, the SN74BCT623NSRE4 is RoHS compliant and lead-free, as indicated by its Pb-free code 'Yes' and JESD-609 code 'e4'. The 'E4' suffix in the part number also denotes that it meets RoHS requirements.
Related Guides
TPS54160DGQR Selection Guide: How to Choose a 60V Step-Down Buck Converter
Complete selection guide for the TPS54160DGQR 60V/1.5A step-down converter. Compare specs, alternatives, and sourcing options for industrial and automotive designs.
May 20, 2026
LMV932MM Dual Low-Voltage CMOS Op-Amp: Application Design Guide
Complete application design guide for the LMV932MM dual rail-to-rail CMOS op-amp: supply decoupling, RRIO design rules, stability, and recommended circuits for 1.8V–5.5V battery-powered systems.
May 20, 2026
TL084CN Equivalent and Replacements: JFET-Input Quad Op-Amp Comparison Guide
Compare TL084CN with TL074, LF347, and LM324 quad op-amps. Pin-compatible equivalents, key specs, and when to choose each for your analog design.
May 20, 2026
TPS386000RGPR Quad Voltage Supervisor: Selection and Sourcing Guide (2025)
Compare TPS386000RGPR with TPS386040RGPR, TPS3700, and TPS3823 voltage supervisors. Key specs, threshold programming, watchdog options, and sourcing tips.
May 20, 2026
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.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”