Texas Instruments SN74LV07APW

Overview

SN74LV07APW from Texas Instruments is a hex buffer/driver IC with open-drain outputs, designed for 2-V to 5.5-V V_CC operation. It performs Y = A logic in positive logic, supports mixed-mode voltage translation (e.g., 3.3-V input to 5-V pull-up), delivers up to 16 mA sink current at 5 V, and features I_off for partial power-down protection. It is used in bus interface circuits requiring level-shifting and wired-OR logic.

For engineers reviewing the SN74LV07APW datasheet, SN74LV07APW pinout, SN74LV07APW application, or SN74LV07APW equivalent, key selection criteria include open-drain output drive capability, 5.5-V tolerant inputs/outputs, I_off behavior during power sequencing, and TSSOP-14 package compatibility with high-density PCB layouts.

Technical Context

The SN74LV07APW implements six independent non-inverting buffers, each with an open-drain output stage enabling wired-OR connections and flexible external pull-up configuration. Its I_off circuitry actively disables outputs when V_CC = 0 V, preventing back-current flow and supporting hot-insertion scenarios.

Input voltage tolerance extends to 5.5 V regardless of V_CC (2–5.5 V), allowing direct interfacing with higher-voltage logic families. Output VOL is specified down to 0.55 V at 16 mA and 4.5 V V_CC, while propagation delay ranges from 3.4 ns to 10.4 ns depending on V_CC and load capacitance.

Key Specifications

Pinout & Package

TSSOP-14 (PW) package: 5.00 mm × 4.40 mm body, 0.65 mm lead pitch, 1.2 mm max height. Lead finish: NiPdAu (NIPDAU) or Sn (SN); MSL Level-1, 260°C peak reflow.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar open-drain buffer applications.

Compared with SN74LVC07APW and MC74LCX07DT, SN74LV07APW uniquely combines 5.5-V input tolerance, I_off-enabled power sequencing support, and TSSOP-14 footprint-making it optimal for industrial hot-swap and mixed-voltage bus isolation where reliability across full voltage range is critical.

Availability

SN74LV07APW is available at Aetrix Electronics and suitable for industrial bus interface, LED indicator driver, hot-swap power sequencing, and mixed-voltage logic translation applications requiring stable component supply and long-term lifecycle support.

Supply support for SN74LV07APW includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor company specializing in analog and embedded processing technologies, with leadership in industrial, automotive, and communications markets.

The SN74LV07A family was designed for robust, low-power voltage translation and bus interface in mixed-supply systems-emphasizing I/O tolerance, power-down safety, and compatibility with legacy 5-V logic while operating from modern low-voltage rails.

FAQ

What is the maximum sink current per output of the SN74LV07APW?

The SN74LV07APW supports a maximum sink current of 16 mA per output when V_CC = 5 V, as specified in the Electrical Characteristics table. At lower V_CC values (e.g., 3.3 V), the guaranteed minimum I_OL is 8 mA. Exceeding these limits risks exceeding absolute maximum ratings and may degrade long-term reliability. The SN74LV07APW datasheet defines these values under recommended operating conditions and must be observed in layout design.

Does the SN74LV07APW support level translation between different supply voltages?

Yes, the SN74LV07APW supports bidirectional level translation due to its 5.5-V tolerant inputs and open-drain outputs. For example, a 2.5-V microcontroller can drive SN74LV07APW inputs while its outputs are pulled up to 5 V, producing 5-V logic levels. This capability is enabled by the device's wide V_CC range (2–5.5 V) and input voltage rating independent of V_CC. The SN74LV07APW does not require external biasing for this function.

What is the purpose of the I_off feature in the SN74LV07APW?

The I_off feature in the SN74LV07APW disables output drivers when V_CC = 0 V, limiting leakage current to ≤5 µA. This prevents back-current flow from powered downstream circuits into the unpowered SN74LV07APW, which is essential for hot-swap and partial power-down systems. The SN74LV07APW maintains high-impedance outputs during power-up and power-down sequences, ensuring signal integrity and avoiding bus contention in multi-rail environments.

Can unused inputs on the SN74LV07APW be left floating?

No, unused inputs on the SN74LV07APW must be tied to either V_CC or GND to prevent undefined logic states and increased power consumption. Floating CMOS inputs can drift into the linear region, causing shoot-through current and potential oscillation. The SN74LV07APW datasheet explicitly recommends connecting all unused inputs to a valid logic level-typically V_CC for inactive-high functions or GND for inactive-low-to ensure predictable operation and meet recommended operating conditions.

What package type is used for the SN74LV07APW?

The SN74LV07APW uses the TSSOP-14 (PW) package: a 14-pin thin shrink small-outline package measuring 5.00 mm × 4.40 mm with 0.65 mm lead pitch and 1.2 mm maximum height. It is RoHS-compliant with NiPdAu (NIPDAU) or Sn (SN) lead finish and rated for MSL Level-1 (unlimited floor life at ≤30°C/60% RH). The SN74LV07APW package is optimized for high-density PCB layouts and automated surface-mount assembly.