Nexperia USA Inc. 74LVC1G99DP,125

Overview

74LVC1G99DP from Nexperia is an ultra-configurable single-gate logic IC with 3-state output, Schmitt-trigger inputs, and configurable logic functions (AND, OR, NAND, NOR, XOR, XNOR, inverter, buffer, MUX) via direct VCC/GND pin strapping. It operates from 1.65 V to 5.5 V, supports -40 °C to +125 °C, and delivers ±24 mA drive at 3.0 V - used in voltage-level translation and reconfigurable signal routing in space-constrained industrial control modules.

For engineers reviewing the 74LVC1G99DP datasheet, 74LVC1G99DP pinout, 74LVC1G99DP application, or 74LVC1G99DP equivalent, key selection criteria include its 8-pin TSSOP8 package, IOFF power-down protection, 5 V tolerant inputs, and Schmitt-trigger noise immunity for slow-edge signals in mixed-voltage I/O interfaces.

Technical Context

The 74LVC1G99DP implements a single configurable logic cell with four data inputs (A–D), one output enable (OE), and a 3-state output (Y). Its internal architecture uses Schmitt-trigger input buffers to convert slowly varying waveforms into clean digital transitions, eliminating external hysteresis components.

All logic configurations are set statically by hardwiring A–D to VCC or GND - no external programming interface or clock required. The IOFF circuit actively disables outputs during partial power-down, blocking backflow current when VCC = 0 V, satisfying JEDEC JESD78 latch-up and JESD8-7/5/B compliance across 1.65–5.5 V supply ranges.

Key Specifications

Pinout & Package

TSSOP8 plastic thin shrink small outline package (SOT505-2); 8 leads; body width 3 mm; lead length 0.5 mm; pin 1 indicator located below marking code "V99" in lower-left corner.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar configurable logic gate applications.

Compared with 74LVC1G97DP and SN74LVC1G99DBVR, the 74LVC1G99DP offers full 4-input configurability and integrated power/ground pins in TSSOP8 - making it optimal for new designs requiring XOR, MUX, or robust mixed-voltage I/O isolation without layout compromises.

Availability

74LVC1G99DP is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive body control modules, programmable logic subsystems, and hot-swappable I/O expansion cards requiring stable component supply across extended temperature ranges.

Supply support for 74LVC1G99DP 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

Nexperia is a global semiconductor expert focused on high-performance, reliable standard logic, power management, and analog devices - serving automotive, industrial, and consumer markets with ISO/TS 16949-certified manufacturing.

The 74LVC1G99DP belongs to Nexperia's LVC logic family, engineered for ultra-low power consumption, high noise immunity, and seamless voltage-domain interoperability in space- and power-constrained embedded systems.

FAQ

What logic functions can the 74LVC1G99DP implement?

The 74LVC1G99DP supports AND, OR, NAND, NOR, XOR, XNOR, inverter, buffer, and 2-input multiplexer functions - selected by hardwiring its four data inputs (A–D) to VCC or GND. No external programming or clock is needed; all configurations are static and deterministic per Tables 4–20 in the datasheet.

Does the 74LVC1G99DP require external pull-up or pull-down resistors?

No - the 74LVC1G99DP has no internal weak pull-ups or pull-downs, but its Schmitt-trigger inputs tolerate floating conditions without oscillation. However, for defined logic states during configuration, inputs A–D must be explicitly tied to VCC or GND using zero-ohm links or solder bridges - not resistors - to avoid threshold ambiguity.

How does the IOFF feature protect the device during partial power-down?

When VCC = 0 V, the IOFF circuit disables both inputs and output, limiting leakage current to ±2 μA maximum (per Table 23). This prevents backflow current from powered downstream circuits into the unpowered 74LVC1G99DP - protecting against latch-up and ensuring safe hot-swap operation in modular systems.

Can the 74LVC1G99DP replace multiple discrete logic gates on a PCB?

Yes - one 74LVC1G99DP replaces up to nine discrete gates (e.g., separate 74LVC1G00, 74LVC1G02, 74LVC1G04, etc.) by reconfiguring strap pins. This reduces component count, assembly cost, and PCB area - verified in Nexperia's application note AN11043 for industrial control reference designs.