SN74BCT125AD Texas Instruments Integrated Circuit (Other) In Stock
SN74BCT125AD is a quadruple bus buffer gate IC with 3-state outputs, featuring BCT/FBT logic family, 64mA output current, and 50pF load capacitance. From $1.50, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74BCT125AD Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5000(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 SN74BCT125AD?
- Quadruple 3-state bus buffer gates enabling high-impedance output control for shared bus architectures
- BCT/FBT logic family with 64mA (max I(ol)) drive strength for robust signal transmission
- SOIC-14 (R-PDSO-G14) package with unidirectional enable-low control for easy system integration
- 50pF load capacitance support suited for driving capacitive bus loads in high-speed digital designs
What is SN74BCT125AD used for?
The SN74BCT125AD is widely used in microprocessor bus expansion, memory interfacing, and data bus isolation applications where multiple devices share a common bus. Its 3-state outputs make it ideal for backplane drivers, address/data bus buffering in embedded systems, and industrial control boards. The enable-low control and BCT logic compatibility also suit it for level shifting and signal buffering in mixed-voltage digital systems.
What are the specifications of SN74BCT125AD?
| YTEOL | 0 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | BCT/FBT |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.064A |
| Number of Bits | 1 |
| Number of Functions | 4 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 49mA |
| Prop. Delay@Nom-Sup | 7.7ns |
| Propagation Delay (tpd) | 7.7ns |
| Qualification Status | Not Qualified |
| Screening Level | MIL-PRF-38535 |
| 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) | NOT SPECIFIED |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Where can I find the SN74BCT125AD datasheet?
SN74BCT125AD Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74BCT125AD?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output drive current of the SN74BCT125AD?
The SN74BCT125AD provides a maximum output low current (I(ol)) of 64mA (0.064A), making it suitable for driving heavily loaded bus lines in embedded and industrial systems.
What package does the SN74BCT125AD use?
The SN74BCT125AD comes in a 14-pin SOIC package (JESD-30 code R-PDSO-G14), which is a standard surface-mount format offering easy PCB placement and good thermal performance.
What are the typical applications for the SN74BCT125AD?
Typical applications include microprocessor bus buffering, memory interface expansion, data bus isolation, backplane driving, and address line buffering in embedded systems and industrial control boards.
Is the SN74BCT125AD RoHS compliant?
Yes, the SN74BCT125AD carries JESD-609 code e4, indicating it is lead-free and RoHS compliant, meeting modern environmental regulations for electronic components.
What logic family does the SN74BCT125AD belong to?
The SN74BCT125AD belongs to the BCT/FBT (BiCMOS) logic family, which combines CMOS low power consumption with bipolar output drive strength, providing fast switching and high current capability.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.3100 | $2.31 |
| 100+ | $1.7300 | $173.00 |
| 1000+ | $1.5000 | $1500.00 |
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.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit