Nexperia USA Inc. 74LVC1G27GW,125

Overview

74LVC1G27GW,125 from Nexperia is a single 3-input NOR gate logic IC in TSSOP6 (SOT363-2) package, operating from 1.65 V to 5.5 V supply, with ±24 mA output drive at 3.0 V, Schmitt-trigger inputs for noise immunity, and IOFF partial power-down protection. It serves as a level-translating combinational logic element in mixed-voltage digital interfaces.

For engineers reviewing the 74LVC1G27GW,125 datasheet, 74LVC1G27GW,125 pinout, 74LVC1G27GW,125 application, or 74LVC1G27GW,125 equivalent, key selection criteria include input voltage tolerance up to 5 V, propagation delay down to 1.0 ns at 5.5 V, -40 °C to +125 °C operation, and compatibility with TTL and LVC logic families.

Technical Context

This device implements a single 3-input NOR Boolean function (Y = NOT(A OR B OR C)) with fully buffered CMOS outputs. Its Schmitt-trigger inputs accept slow-rising signals and tolerate noise margins exceeding 0.7 V at 3.3 V supply.

The IOFF circuit actively disables outputs during power-down, blocking backflow current when VCC = 0 V, enabling safe hot-insertion in multi-rail systems. Input voltage rating extends to 5.5 V independent of VCC, supporting robust 3.3 V ↔ 5 V translation without external biasing.

Key Specifications

Pinout & Package

TSSOP6 plastic thin shrink small outline package (SOT363-2), 6-lead, body width 1.25 mm, pin pitch 0.65 mm, exposed pad not present.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 3-input NOR gate applications.

Compared with SN74LVC1G27DBVR and 74AUP1G27GW,125, the 74LVC1G27GW,125 uniquely balances wide voltage operation, robust 5 V-tolerant inputs, IOFF protection, and industrial temperature range - making it the only choice for mixed-rail industrial control and automotive body electronics where reliability under partial power-down is mandatory.

Availability

74LVC1G27GW,125 is available at Aetrix Electronics and suitable for industrial PLC I/O conditioning, automotive body control modules, USB-C power delivery policy engines, and medical infusion pump safety interlocks requiring stable component supply across extended temperature and mixed-voltage environments.

Supply support for 74LVC1G27GW,125 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 essential efficiency technologies, delivering high-performance logic, discrete, and MOSFET solutions for automotive, industrial, and consumer markets.

The 74LVC logic family targets high-speed, low-power, mixed-voltage digital interfacing - designed specifically for seamless integration between legacy 5 V systems and modern 1.8 V/2.5 V/3.3 V microcontrollers and FPGAs.

FAQ

Can 74LVC1G27GW,125 operate with VCC = 1.8 V while accepting 5 V inputs?

Yes. The device is explicitly rated for 5.5 V maximum input voltage regardless of VCC level, per Table 5 (Limiting Values) and Table 6 (Recommended Operating Conditions). At VCC = 1.8 V, inputs up to 5 V are safely clamped internally without damage or functional disruption, enabling true 5 V-to-1.8 V level translation without external components.

What is the minimum propagation delay guaranteed across temperature and voltage?

The minimum propagation delay is 1.0 ns, specified over the full -40 °C to +125 °C range and at all valid VCC levels (1.65 V to 5.5 V), as confirmed in Table 8 (Dynamic Characteristics). This value applies to both tPLH and tPHL under standard test conditions (CL = 30–50 pF, RL = 500–1 kΩ).

Does the IOFF feature require external control or enable signals?

No. IOFF is fully automatic and requires no external control. When VCC drops to 0 V, the internal IOFF circuitry immediately places the output (Pin 4) in high-impedance state, blocking reverse current flow from Y to VCC or other pins. This behavior is intrinsic to the silicon design and does not depend on input states or external logic.

Is the 74LVC1G27GW,125 pin-compatible with other 74LVC1Gxx variants in TSSOP6?

No. While all 74LVC1Gxx devices use SOT363-2 (TSSOP6), pinouts differ by function. For example, 74LVC1G00 (dual NAND) uses Pins 1/A, 2/GND, 3/B, 4/Y, 5/VCC, 6/not used - whereas 74LVC1G27 assigns Pin 6 to input C. Always verify pin configuration using Figure 4 in the datasheet before PCB layout.