74LVC1G126DCKTE4 Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
Texas Instruments 74LVC1G126DCKTE4 is a single-gate non-inverting 3-state bus buffer in a compact SC70-5 package, LVC family, with active-high enable control for 1.65 V to 5.5 V level translation. Available in stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- 74LVC1G126DCKTE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 74LVC1G126DCKTE4?
- Single-gate 3-state non-inverting buffer with active-high enable for clean bus isolation in 1.65 V to 5.5 V mixed-voltage systems
- SC70-5 ultra-compact 5-pin package minimizing PCB area for space-constrained mobile, wearable, and IoT edge designs
- LVC logic family delivering fast switching with low power consumption suitable for high-speed signal routing up to 3.3 V core rail
What is 74LVC1G126DCKTE4 used for?
The 74LVC1G126DCKTE4 is used as a single-gate bus buffer and signal isolator in multi-voltage PCB designs where a 3-state output is needed to connect or disconnect a signal line from a shared bus. Its active-high enable and SC70-5 package make it ideal for portable consumer electronics, handheld instruments, and IoT sensor boards requiring minimal board space while providing reliable tri-state control across 1.65 V to 5.5 V supply rails.
What are the specifications of 74LVC1G126DCKTE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Control Type | ENABLE HIGH |
| Family | LVC/LCX/Z |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Logic IC Type | BUS DRIVER |
| 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 |
| Propagation Delay (tpd) | 8ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.65V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| 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 |
| HTS Code | 8542.39.00.60 |
Where can I find the 74LVC1G126DCKTE4 datasheet?
74LVC1G126DCKTE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for 74LVC1G126DCKTE4?
Compatible alternatives and drop-in replacements for 74LVC1G126DCKTE4:
Bus Driver, LVC/LCX/Z Series, 1-Func, 1-Bit, True Output, CMOS, PDSO5
Bus Driver, LVC/LCX/Z Series, 1-Func, 1-Bit, True Output, CMOS, PDSO5
Bus Driver, LVC/LCX/Z Series, 1-Func, 1-Bit, True Output, CMOS, PDSO5
Bus Driver, LVC/LCX/Z Series, 1-Func, 1-Bit, True Output, CMOS, PDSO5
Bus Driver, LVC/LCX/Z Series, 1-Func, 1-Bit, True Output, CMOS, PDSO5
Frequently Asked Questions
What supply voltage range does 74LVC1G126DCKTE4 support, and can it interface a 3.3 V MCU with a 5 V peripheral?
The 74LVC1G126DCKTE4 operates from a supply voltage of 1.65 V to 5.5 V. It can bridge a 3.3 V MCU output to a 5 V peripheral bus using its non-inverting 3-state buffer with active-high enable, provided the input signal levels meet the LVC family thresholds. This makes it a common level-translation choice in mixed-voltage embedded designs with tight space constraints.
How small is the SC70-5 package on 74LVC1G126DCKTE4, and why does that matter for wearable PCB layouts?
The SC70-5 package used by the 74LVC1G126DCKTE4 measures approximately 2.0 mm x 2.1 mm with 5 pins on a very fine pitch, making it one of the smallest available single-gate logic packages. For wearable devices and miniaturized IoT sensor PCBs where every square millimetre of board area is allocated, this tiny footprint allows a full 3-state buffer function without dedicating significant real estate to a single logic gate.
What does the active-high enable control on 74LVC1G126DCKTE4 mean for bus contention prevention in multi-master designs?
The active-high enable means the 74LVC1G126DCKTE4 output is driven only when the OE pin is logic high; otherwise the output enters a high-impedance 3-state condition. In a multi-master bus, asserting this enable only for the active master prevents two outputs from simultaneously driving the same signal line, eliminating bus contention and protecting the LVC logic outputs from back-driving damage. This single-gate solution handles 1 of 2 bus ports at a time with simple enable-low logic.
When would a designer choose 74LVC1G126DCKTE4 over a dual-gate buffer such as 74LVC2G126 for a one-way signal path?
A designer selects the single-gate 74LVC1G126DCKTE4 over the dual-gate 74LVC2G126 when only 1 signal line needs tri-state buffering, because the single-gate part in the SC70-5 package occupies roughly half the board area and draws less quiescent current. The saving in PCB space and supply current is measurable in coin-cell or small lithium-polymer battery applications where the power rail is limited and the 5-pin package fits routing channels that a wider dual-gate package would not.
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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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