SN74AHCT1G125DCKR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
SN74AHCT1G125DCKR is a single-gate bus buffer with 3-state output from Texas Instruments AHCT logic family. It operates at 4.5–5.5 V with 8 mA output drive, 8.5 ns propagation delay at 50 pF load, in a compact 5-pin SC-70 package. From $0.05 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- SN74AHCT1G125DCKR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0513(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74AHCT1G125DCKR?
- Single-gate bus buffer with active-low enable control for flexible signal gating
- AHCT logic family: 5 V supply compatible with LVTTL input levels for mixed-voltage interfacing
- 8.5 ns propagation delay at 50 pF load for high-speed signal buffering
- Low-profile 5-pin SC-70 (SOT23) package ideal for space-constrained PCB designs
- 3-state output enables bus sharing without contention in multi-driver systems
What is SN74AHCT1G125DCKR used for?
The SN74AHCT1G125DCKR is widely used in signal buffering and bus isolation applications within microcontroller and FPGA systems, where a single logic gate is needed to control data flow direction. Its 3-state output makes it ideal for shared-bus architectures such as I2C multiplexing, SPI line switching, and address/data bus expansion in embedded designs. The compact SC-70 package and AHCT logic compatibility also make it a popular choice in portable consumer electronics, industrial control modules, and communication interface boards requiring 5 V logic buffering.
What are the specifications of SN74AHCT1G125DCKR?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | AHCT/VHCT/VT |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.008A |
| Number of Bits | 1 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP5/6,.08 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.01mA |
| Prop. Delay@Nom-Sup | 8.5ns |
| Propagation Delay (tpd) | 8.5ns |
| 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 | AUTOMOTIVE |
| Terminal Finish | Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the SN74AHCT1G125DCKR datasheet?
SN74AHCT1G125DCKR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74AHCT1G125DCKR?
Compatible alternatives and drop-in replacements for SN74AHCT1G125DCKR:
Bus Driver, AHCT/VHCT/VT Series, 1-Func, 1-Bit, True Output, CMOS, PDSO5
Bus Driver, AHCT/VHCT/VT Series, 1-Func, 1-Bit, True Output, CMOS, PDSO5
Bus Driver, AHCT/VHCT/VT Series, 1-Func, 1-Bit, True Output, CMOS, PDSO5
Bus Driver, AHCT/VHCT/VT Series, 1-Func, 1-Bit, True Output, CMOS, PDSO5
Bus Driver, AHCT/VHCT/VT Series, 1-Func, 4-Bit, True Output, CMOS, PDSO14
Frequently Asked Questions
What is the supply voltage and output drive capability of the SN74AHCT1G125DCKR?
The SN74AHCT1G125DCKR operates from a 4.5 V to 5.5 V supply voltage. It provides a maximum output current of 8 mA (sink), making it suitable for driving standard CMOS and TTL loads in 5 V digital systems.
What package does the SN74AHCT1G125DCKR come in, and what are its dimensions?
The SN74AHCT1G125DCKR is available in the 5-pin SC-70 package (also referred to as SOT23-5). This ultra-compact surface-mount package is designed for high-density PCB layouts, offering a very small footprint suitable for space-constrained portable and embedded applications.
What is the propagation delay of the SN74AHCT1G125DCKR?
The SN74AHCT1G125DCKR has a typical propagation delay of 8.5 ns when driving a 50 pF load. This fast switching speed makes it well-suited for high-frequency bus buffering and signal isolation tasks in modern digital circuits.
What are common applications for the SN74AHCT1G125DCKR?
Common applications include bus buffering, signal isolation, level translation between 3.3 V logic and 5 V TTL buses, SPI and I2C line switching, and output enable control in microcontroller-based systems. Its single-gate design and 3-state output make it highly versatile for embedded and industrial electronics.
Is the SN74AHCT1G125DCKR RoHS compliant?
Yes, the SN74AHCT1G125DCKR is RoHS compliant. It carries a Pb-free (lead-free) designation with JESD-609 code e3, indicating it meets the European Union RoHS directive requirements and is manufactured using lead-free solder materials.
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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+ | $0.1140 | $0.11 |
| 68+ | $0.1125 | $7.65 |
| 118+ | $0.0713 | $8.41 |
| 250+ | $0.0667 | $16.68 |
| 500+ | $0.0629 | $31.45 |
| 703+ | $0.0513 | $36.06 |
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