SN74LV1T125DCKRIn StockTexas Instruments
SN74LV1T125DCKR is a single-gate 3-state buffer from Texas Instruments with active-low enable, 1.65V–5.5V supply range, and 30pF load capacitance. From $0.10 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- SN74LV1T125DCKR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1015(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single 3-state buffer gate with active-low output enable for flexible bus control
- Wide supply voltage range of 1.65V to 5.5V enabling multi-voltage system compatibility
- Ultra-low quiescent current for power-sensitive portable and IoT applications
- Compact SOT-23 5-pin package ideal for space-constrained PCB designs
- High-speed LV-family logic with 30pF load capacitance support
Applications
The SN74LV1T125DCKR is widely used in level-shifting and bus isolation applications across consumer electronics, IoT devices, and industrial control systems. Its 3-state output with active-low enable makes it ideal for shared bus architectures in microcontroller interfaces, UART bridges, and SPI/I2C line buffering. The single-gate configuration suits board-level signal conditioning where minimal footprint and low power consumption are critical.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | LV/LV-A/LVX/H |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Load Capacitance (CL) | 30pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | -0.008 A |
| 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) | 0.0055mA |
| Prop. Delay@Nom-Sup | 9ns |
| Propagation Delay (tpd) | 14.5ns |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100 |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1V |
| 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 |
| ## SN74LV1T125DCKR Alternates Showing results | Image |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LV1T125DCKR:
suggested
suggested
Frequently Asked Questions
What is the supply voltage range of the SN74LV1T125DCKR?
The SN74LV1T125DCKR operates over a wide supply voltage range of 1.65V to 5.5V, making it compatible with both 1.8V and 3.3V logic systems as well as legacy 5V designs. This flexibility simplifies mixed-voltage board designs.
How does the 3-state output work on the SN74LV1T125DCKR?
The SN74LV1T125DCKR uses an active-low enable (OE#) pin to control its output state. When OE# is driven low, the buffer output is active and drives the signal through. When OE# is high, the output enters a high-impedance (3-state) mode, effectively disconnecting the output from the bus to prevent signal contention.
What package does the SN74LV1T125DCKR come in and what are typical applications?
The SN74LV1T125DCKR is available in a compact SOT-23 5-pin (DCK) package, which is ideal for space-constrained PCB layouts. It is commonly used in bus buffering, level translation, signal isolation, microcontroller GPIO expansion, and UART/SPI line driving in consumer electronics and industrial equipment.
What is a suitable replacement or alternative for the SN74LV1T125DCKR?
Compatible alternatives include the SN74LVC1G125DCKR (same function, LVC family with stronger drive), the 74LVC1G125 from Nexperia or ON Semiconductor, and the SN74AUC1G125DCKR for ultra-low voltage designs down to 0.8V. Verify pin compatibility and electrical specs before substitution.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7700 | $0.77 |
| 9+ | $0.6000 | $5.40 |
| 25+ | $0.2080 | $5.20 |
| 100+ | $0.1181 | $11.81 |
| 1000+ | $0.1124 | $112.40 |
| 10000+ | $0.1015 | $1015.00 |
In Stock · 24h Response · Worldwide Shipping
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