Texas Instruments SN74LVC1G07DCKR

SN74LVC1G07DCKR Texas Instruments Product Summary

The SN74LVC1G07DCKR from Texas Instruments is a single non-inverting buffer/driver IC featuring an open-drain output designed for general-purpose logic applications. Operating within a supply voltage range from 1.65 V to 5.5 V, this device is well-suited for both legacy 5 V systems and modern low-voltage designs. The IC is provided in ultra-compact footprint options, notably the SC70-5 (DCK package), targeting space-constrained PCBs and miniaturized electronic assemblies. Its basic function is that of a buffer, offering signal isolation and drive capability with the added flexibility of open-drain architecture, allowing wired-OR or wired-AND configurations.

Main Attributes of SN74LVC1G07DCKR Texas Instruments

The SN74LVC1G07DCKR incorporates several features beneficial for high-performance logic and mixed-voltage environments.

Supports 5 V operation for legacy compatibility.

Input and open-drain output both tolerate voltages up to 5.5 V, crucial for voltage translation tasks.

Maximum propagation delay (tpd) as low as 4.2 ns at 3.3 V for high-speed operation.

Low quiescent current consumption (10 µA max ICC), supporting energy-efficient designs.

±24 mA output drive at 3.3 V VCC, ensuring strong drive capability for external loads and complex logic networks.

Ioff circuitry enables safe live insertion, partial-power-down operation, and back-drive protection.

Robust latch-up immunity (>100 mA per JESD 78, Class II) and extensive ESD protection (2000 V HBM, 200 V MM, 1000 V CDM) enhance operational reliability.

SN74LVC1G07DCKR Texas Instruments Electrical Specifications

Engineers selecting the SN74LVC1G07DCKR benefit from well-documented electrical specifications. The recommended operating range is 1.65 V to 5.5 V, enabling integration into both low-voltage and traditional systems. The open-drain output can sink up to 32 mA, vital for LED driving or other high-current applications. The device maintains functionality across industrial and extended temperature ranges (–40°C to +125°C, package-dependent). Fast switching characteristics and minimal output capacitance result in minimal delay and signal degradation, while over-voltage tolerant inputs simplify interfacing with differing logic levels.

Operational Overview of SN74LVC1G07DCKR Texas Instruments

The SN74LVC1G07DCKR is a CMOS buffer/driver with a single element and open-drain output logic. Its non-inverting buffer operates by passing logic-high signals when the input is high, but the open-drain output requires an external pull-up resistor. When used in wired-OR or wired-AND logic configurations, multiple open-drain outputs can be tied together, enabling flexible digital logic design, particularly in FPGA or microcontroller interfacing scenarios. The device's Ioff feature prevents undesired current backflow when powered down, supporting safe power sequencing and live PCB insertion, a critical requirement in hot-swap and modular systems.

SN74LVC1G07DCKR Texas Instruments Available Packages and Physical Specifications

Texas Instruments offers the SN74LVC1G07DCKR in a variety of packages catering to diverse mechanical and assembly needs. The compact SC70-5 (DCK0005A) SOT package is ideal for high-density boards, with a maximum height of 1.1 mm. Additional options, such as X2SON (DPW0005A, DSF0006A), DSBGA (YZP0005, YZV), SOT-23 (DBV0005A), and USON (DRY0006A/B) provide varying profiles, lead pitches, and volumetric footprints. Designers can reference included mechanical drawings, recommended pad layouts, and stencil design guidelines for optimal soldering and assembly integrity. Each package is compliant with RoHS and “Green” standards, ensuring environmental compatibility.

Common Uses for SN74LVC1G07DCKR Texas Instruments

The SN74LVC1G07DCKR is highly versatile, finding utility in an extensive array of consumer, industrial, and enterprise products:

AV receivers, Blu-ray/DVD players, and digital media units.

Desktop and embedded PCs, digital video cameras, and solid-state storage devices.

Portable navigation, mobile internet devices, tablets, and pro audio mixers.

Networked front-end projectors, smoke detectors, and enterprise SSDs.

Digital picture frames and HD displays, as well as basic LED drivers requiring high current sinking and fast edge performance.

Its performance parameters and open-drain architecture make it especially valuable in mixed-voltage logic interfacing, LED matrix driving, and situations demanding wired logic construction for system-level control or fault tolerance.

SN74LVC1G07DCKR Texas Instruments Design Recommendations

Adhering to best practices is essential to unlock the performance of the SN74LVC1G07DCKR. Inputs are tolerant to voltages above VCC, but must not be left floating; all unused pins should be tied to either GND or VCC. Output current must remain within specified limits (≤32 mA per channel) to preserve device integrity. Designers should take care with routing and load conditions, as high output drive can generate fast edges that may contribute to signal ringing on lightly loaded lines. In bus configurations, avoid contention to prevent excessive currents and potential logic errors.

Power Requirements for SN74LVC1G07DCKR Texas Instruments

SN74LVC1G07DCKR supports a flexible power supply range, allowing operation anywhere between 1.65 V and 5.5 V. For optimal noise rejection, each VCC pin should be decoupled with a 0.1 µF ceramic bypass capacitor positioned as close to the supply pin as possible. For systems with multiple VCC connections, supplementing with parallel 0.01 µF or 0.022 µF capacitors can attenuate high-frequency disturbances. If employing hot-swap or partial power-down modes, validate that system power sequencing avoids voltage on inputs exceeding device ratings without VCC applied.

PCB Design Tips for SN74LVC1G07DCKR Texas Instruments

Effective PCB layout is crucial for reliable operation. For multi-bit logic devices, unused inputs must never float—tie them to bias levels suitable for the device’s function. Solder mask tolerances and signal-pad clearances should meet IPC-7351 or site-specific guidelines; mechanical drawings furnished for each package should inform pad and paste stencil design. For small outline and leadless packages such as X2SON and USON, thermal pad soldering and adherence to empirical guidelines from TI application notes (e.g., SLUA271) will ensure proper heat management and assembly yield.

SN74LVC1G07DCKR Texas Instruments Durability and ESD Safeguards

SN74LVC1G07DCKR is engineered for robust reliability. It exceeds JESD 22 ESD standards, offering 2 kV HBM, 200 V MM, and 1 kV CDM protection, safeguarding devices against handling and assembly electrostatic events. Latch-up immunity exceeds 100 mA (JESD 78 Class II), supporting stable operation in challenging environments. Engineers must still observe standard ESD precautions during board assembly and operation, as parametric shifts from ESD damage can arise even below catastrophic failure thresholds.

Alternative/Ersatz Models for SN74LVC1G07DCKR Texas Instruments

Texas Instruments provides alternatives and enhanced versions of the SN74LVC1G07 family to suit specialized applications:

SN74LVC1G07-Q1: Automotive-qualified for zero-defect automotive electronics.

SN74LVC1G07-EP: Enhanced product for defense, aerospace, and medical applications demanding additional robustness.

For general-purpose or low-power open-drain buffer applications, similar single-gate open-drain buffers and drivers within the TI catalog may offer alternative packages or voltage ranges. Evaluation against system requirements, longevity, and compliance certifications should inform model selection for design migration or replacement.

Conclusion

: Engineering Value of SN74LVC1G07DCKR Texas Instruments

The SN74LVC1G07DCKR presents a compelling solution for engineers requiring a high-speed, voltage-flexible, open-drain buffer in an industry-standard small outline package. Its robust electrical and reliability specifications, combined with diverse package offerings and application flexibility, make it an ideal candidate for modern logic implementations, voltage translation, and driven-output needs. Careful design, supply management, and layout practices, as detailed above, will optimize system performance and long-term reliability. For engineers and procurement professionals, the SN74LVC1G07DCKR secures its place as a reliable core building block in advanced electronic assemblies.