Nexperia USA Inc. 74LV165D,112

Overview

74LV165D,112 from Nexperia is an 8-bit parallel-in/serial-out shift register with asynchronous parallel load (PL), serial data input (DS), complementary serial outputs (Q7 and Q7), clock enable (CE), and edge-triggered clock (CP). It operates from 1.0 V to 5.5 V, supports -40 °C to +125 °C ambient range, and delivers 75 MHz max clock frequency at 5 V. It is used in industrial I/O expansion, LED matrix controllers, and microcontroller GPIO extender circuits.

For engineers reviewing the 74LV165D,112 datasheet, 74LV165D,112 pinout, 74LV165D,112 application, or 74LV165D,112 equivalent, key selection criteria include parallel-load latency (14 ns min at 5 V), propagation delay from CP to Q7 (15 ns typ), dual-output phase relationship, wide-voltage-level compatibility (TTL- and CMOS-compatible), and SO16 package thermal derating above 110 °C.

Technical Context

The 74LV165D implements a synchronous 8-stage shift register with asynchronous parallel load capability. Its internal architecture uses eight D-type flip-flops with shared clock (CP) and clock enable (CE), where CE must be LOW for shifting on CP rising edges. PL overrides all serial operations: when LOW, D0–D7 are loaded directly into the register regardless of CP or CE state.

It features complementary outputs (Q7 and Q7) enabling direct connection to differential receivers or logic-level inversion without external inverters. Input clamp diodes allow safe interfacing to voltages exceeding VCC when current-limiting resistors are used - critical for mixed-voltage system integration.

Key Specifications

Pinout & Package

74LV165D,112 is housed in a plastic small outline package (SO16, SOT109-1) with 16 leads and 3.9 mm body width. Thermal derating begins at 110 °C (12.4 mW/K).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit parallel-in/serial-out shift register applications.

Compared with SN74LV165A and 74HC165, the 74LV165D,112 offers superior high-speed performance at 5 V and unique 1.0 V operational capability - making it optimal for energy-constrained, multi-rail embedded systems where both speed and voltage flexibility are mandatory.

Availability

74LV165D,112 is available at Aetrix Electronics and suitable for industrial PLCs, LED video walls, microcontroller-based sensor nodes, and automotive body-control modules requiring stable component supply across extended temperature ranges.

Supply support for 74LV165D,112 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 delivering high-performance, reliable, and efficient logic, power, analog, and MOSFET solutions for automotive, industrial, computing, consumer, and communications markets.

The 74LV165D,112 belongs to Nexperia's LV logic family - engineered for low-voltage, low-power operation across 1.0 V to 5.5 V while maintaining robust noise immunity and industrial-grade temperature resilience.

FAQ

What is the minimum supply voltage for guaranteed operation of the 74LV165D,112?

The 74LV165D,112 is fully specified down to 1.0 V supply voltage, with functional operation confirmed across -40 °C to +125 °C at this level. At 1.0 V, propagation delays increase (e.g., CP→Q7 = 115 ns typ), and maximum clock frequency drops to ~1 MHz, but all logic states and timing relationships remain valid per datasheet Table 5 and Table 7.

Can Q7 and Q7 be used simultaneously to drive separate loads without contention?

Yes - Q7 and Q7 are independently buffered complementary outputs with no internal connection. Each has its own output driver capable of sourcing/sinking ±25 mA (per Table 4), allowing simultaneous driving of separate logic inputs, LEDs, or transmission lines without risk of short-circuit or loading interaction.

How does the clock enable (CE) input interact with the parallel load (PL) function?

CE is overridden by PL: when PL is LOW, the register loads D0–D7 asynchronously regardless of CE state. CE only controls shifting behavior when PL is HIGH. This priority hierarchy ensures deterministic parallel capture even if CE is asserted during load - critical for glitch-free data acquisition in real-time systems.

Is the 74LV165D,112 suitable for automotive applications?

The 74LV165D,112 is rated for -40 °C to +125 °C operation and meets JESD78 latch-up and JEDEC ESD standards, but it is not AEC-Q100 qualified. It may be used in non-safety-critical automotive cabin modules (e.g., infotainment I/O expansion), but not in powertrain, ADAS, or safety systems unless validated per customer-specific automotive qualification protocols.