Diodes Incorporated 74LV132AT14-13

Overview

74LV132AT14-13 from Diodes Incorporated is a quad 2-input NAND gate IC with Schmitt-trigger inputs, designed for noise-immune digital signal conditioning in mixed-voltage systems. It operates from 2.0V to 5.5V, supports 5.5V-tolerant inputs, delivers ±12mA output drive at 4.5V, and features IOFF for partial power-down isolation-used in PC motherboard reset logic, USB peripheral voltage translation, and HDD interface signal cleanup.

For engineers reviewing the 74LV132AT14-13 datasheet, 74LV132AT14-13 pinout, 74LV132AT14-13 application, or 74LV132AT14-13 equivalent, key selection criteria include Schmitt-trigger hysteresis (0.5–2.0V), propagation delay (3.9–18.5ns), IOFF leakage (<5μA), and TSSOP-14 thermal performance in space-constrained industrial control modules.

Technical Context

The 74LV132AT14-13 implements four independent NAND gates, each with hysteresis-enabled Schmitt-trigger inputs that reject noise up to ±1.32V at 3.3V supply. Its IOFF circuit disables outputs during power-down, preventing backflow current when VCC = 0V while inputs remain at 3.3V or 5V.

It supports voltage translation between 3.3V and 5V domains due to 5.5V-tolerant I/O and operates across –40°C to +125°C ambient. Propagation delay varies from 3.9ns (5.0V, CL=15pF) to 18.5ns (2.5V, CL=15pF), with input capacitance of 3.3pF typical.

Key Specifications

Pinout & Package

TSSOP-14 package: 4.9mm × 4.5mm × 1.2mm body, 0.65mm pitch, exposed pad not present, JEDEC MO-153 compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar NAND gate with Schmitt-trigger input applications.

Compared with SN74LV132APW and 74LVC132PW, the 74LV132AT14-13 uniquely combines 125°C operation, IOFF, and high hysteresis - making it the only option qualified for automotive body control modules requiring hot-swap resilience and EMI immunity.

Availability

74LV132AT14-13 is available at Aetrix Electronics and suitable for industrial sensor interfaces, USB peripheral power sequencing, and PC motherboard reset circuits requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74LV132AT14-13 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability components for industrial, computing, and automotive markets.

The 74LV logic family targets low-voltage, mixed-supply digital systems requiring robust noise immunity and power-down safety - optimized for space-constrained, thermally demanding applications like server backplanes and automotive ECUs.

FAQ

Can the 74LV132AT14-13 be used with a 1.8V supply?

No. The absolute minimum recommended supply voltage is 2.0V per DS35706 Rev. 1–2. At 1.8V, the Schmitt-trigger thresholds become undefined, propagation delay increases unpredictably beyond 25ns, and output drive falls below 1mA - violating functional specifications and risking metastability in synchronous designs.

Does the IOFF feature require external biasing or enable signals?

No. IOFF activates automatically when VCC drops below ~0.8V - no external control pins or pull-ups are needed. The internal circuitry detects VCC collapse and disables all outputs within 100ns, blocking current flow regardless of input voltage state (0V to 5.5V).

What is the maximum capacitive load this device can drive reliably?

The device is characterized up to 50pF load capacitance per output, with guaranteed tPD and VOH/VOL performance. Driving >50pF may increase propagation delay by >30% and reduce noise margins - for heavier loads, add a buffer stage or use the 74LV132A's 12mA drive capability to charge/discharge the capacitance within timing budgets.

Is the TSSOP-14 package RoHS-compliant and halogen-free?

Yes. Per Diodes Incorporated documentation, the 74LV132AT14-13 is fully RoHS 2 compliant (2011/65/EU), lead-free, and halogen- and antimony-free - containing <900ppm bromine, <900ppm chlorine, and <1000ppm antimony compounds, meeting IPC-1752A "Green" material classification.