Nexperia USA Inc. 74LVC1G19GS,132

Overview

74LVC1G19GS,132 from Nexperia is a single 1-of-2 decoder/demultiplexer with active-low enable (E), true (1Y) and complement (2Y) outputs, operating from 1.65 V to 5.5 V supply, supporting mixed-voltage interfacing (3.3 V/5 V), and specified for -40 °C to +125 °C industrial temperature range. It buffers input A to dual outputs under E = LOW and forces both outputs HIGH when E = HIGH.

For engineers reviewing the 74LVC1G19GS,132 datasheet, 74LVC1G19GS,132 pinout, 74LVC1G19GS,132 application, or 74LVC1G19GS,132 equivalent, key selection considerations include its IOFF-enabled partial power-down capability, Schmitt-trigger inputs for noise immunity, ±24 mA output drive at 3.0 V, 6-terminal XSON6 (SOT1202) package, and JEDEC-compliant voltage tolerance up to 5.5 V.

Technical Context

This device implements combinational logic decoding with an enable-controlled data path: when E is LOW, A passes through to 1Y (non-inverted) and 2Y (inverted); when E is HIGH, both outputs are forced HIGH regardless of A. Its Schmitt-trigger inputs accept slow-rising/falling signals and tolerate overvoltage up to 5.5 V independent of VCC.

The IOFF circuit ensures bidirectional isolation during power-down by disabling outputs and limiting backflow current when VCC = 0 V, satisfying partial power-down requirements in multi-rail systems. Static and dynamic performance is guaranteed across 1.65–5.5 V VCC and -40 °C to +125 °C, with propagation delay as low as 0.5 ns at 5.0 V.

Key Specifications

Pinout & Package

XSON6 plastic extremely thin small outline package (SOT1202), no leads, 6 terminals, body dimensions 1.0 mm × 1.0 mm × 0.35 mm, thermal pad optional, pin 1 marked by lower-left corner indicator below marking code "VY".

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 1-of-2 decoder/demultiplexer applications.

Compared with SN74LVC1G19DBVR and 74LVC1G19GV,125, the 74LVC1G19GS,132 delivers the smallest PCB footprint (1.0 mm²) and lowest profile (0.35 mm), making it optimal for wearables and miniaturized modules where space and stack height are critical - without sacrificing speed, drive strength, or temperature range.

Availability

74LVC1G19GS,132 is available at Aetrix Electronics and suitable for industrial sensor interfaces, low-power microcontroller peripherals, and automotive body control modules requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74LVC1G19GS,132 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 optimized for reliability, energy efficiency, and miniaturization.

The 74LVC1G19 belongs to Nexperia's LVC (Low-Voltage CMOS) logic family, designed specifically for space-constrained, mixed-voltage embedded systems requiring robust noise immunity, wide supply flexibility, and guaranteed operation across harsh industrial and automotive environments.

FAQ

What is the maximum allowable input voltage on A or E pins when VCC = 1.8 V?

The 74LVC1G19GS,132 supports overvoltage-tolerant inputs up to 5.5 V regardless of VCC level. When VCC = 1.8 V, A and E may safely accept 0 V to 5.5 V signals without damage or functional degradation, enabling direct connection to 5 V microcontrollers or sensors without external level-shifting components.

Does this device support high-impedance (tri-state) outputs?

No, the 74LVC1G19GS,132 does not provide tri-state outputs. When E = HIGH, both 1Y and 2Y are actively driven HIGH; when E = LOW, outputs reflect A and its complement. For true high-impedance behavior, consider dedicated bus switches like the 74LVC1G66 or analog switches such as the NX3L1T3157.

Can the 74LVC1G19GS,132 be used in a 1.2 V system?

No - the absolute minimum recommended VCC is 1.65 V per JEDEC JESD8-7 compliance. At 1.2 V, the device will not meet VIH/VIL thresholds, propagation delay, or output drive specifications. For 1.2 V logic, evaluate the NX1L1T3157 or other 1.2 V–compatible analog switches or level translators.

How does the IOFF feature behave during power sequencing?

When VCC drops to 0 V, the IOFF circuit disables both 1Y and 2Y outputs, limiting leakage current to ±2 μA maximum even if A, E, or external loads remain at 5.5 V. This prevents reverse current flow into the unpowered IC, protecting upstream drivers and avoiding unintended activation of downstream circuits during staggered power-up/down sequences.