Nexperia USA Inc. 74LV165PW,112

Overview

74LV165PW,112 from Nexperia is an 8-bit parallel-in/serial-out shift register with asynchronous parallel load (PL), clock enable (CE), complementary serial outputs (Q7 and Q7), and wide supply range (1.0 V to 5.5 V). It operates from –40 °C to +125 °C in TSSOP16 package and supports synchronous serial expansion in microcontroller I/O expansion and LED matrix control.

For engineers reviewing the 74LV165PW,112 datasheet, 74LV165PW,112 pinout, 74LV165PW,112 application, or 74LV165PW,112 equivalent, key selection factors include its dual-output architecture, low-voltage operation down to 1.0 V, CE-gated clocking for precise timing control, and industrial temperature rating - all critical for embedded data serialization in space-constrained PCBs.

Technical Context

The device implements an 8-stage static CMOS shift register with edge-triggered clock (CP) and active-low parallel load (PL) enabling immediate parallel data capture independent of clock phase. Its dual serial outputs (Q7 and Q7) provide both true and inverted latched final-bit signals for differential interface or logic-level flexibility.

Operation is governed by a three-mode function table: PL LOW enables asynchronous parallel load; PL HIGH with CE LOW allows serial shifting on CP rising edges; CE HIGH inhibits clock propagation entirely. Input clamp diodes permit safe interfacing to voltages exceeding VCC when used with current-limiting resistors.

Key Specifications

Pinout & Package

TSSOP16 (SOT403-1) package: 4.4 mm body width, 0.65 mm lead pitch, 16-pin surface-mount with exposed pad not present - optimized for high-density routing and thermal performance in compact industrial PCBs.

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 SN74LV165AQPWRQ1, the 74LV165PW,112 offers identical functionality at lower cost and without automotive compliance overhead; versus 74HC165PW,118, it delivers 1.0 V compatibility and 30% faster timing - making it optimal for energy-efficient, multi-rail embedded designs.

Availability

74LV165PW,112 is available at Aetrix Electronics and suitable for microcontroller I/O expansion, LED matrix driving, sensor data aggregation, and industrial serial-to-parallel interface applications requiring stable component supply across extended temperature ranges.

Supply support for 74LV165PW,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 focused on high-volume, high-reliability logic, discrete, and MOSFET solutions - delivering energy-efficient, scalable components for industrial, automotive, and computing markets.

The 74LV logic family targets low-voltage, low-power digital interfacing with guaranteed operation down to 1.0 V - designed specifically for battery-powered devices, portable instrumentation, and mixed-signal systems demanding voltage scalability and noise immunity.

FAQ

What is the minimum supply voltage for guaranteed operation of the 74LV165PW,112?

The 74LV165PW,112 is fully specified from 1.0 V to 5.5 V, with static and dynamic parameters validated at V_CC = 1.0 V, 1.2 V, 2.0 V, 2.7 V, 3.3 V, 4.5 V, and 5.0 V. At 1.0 V, propagation delay is 115 ns and f_max is 14 MHz - sufficient for low-power sensor polling and configuration loading in energy-harvesting systems.

Can the 74LV165PW,112 be used with 5 V microcontrollers without level shifters?

Yes - its inputs tolerate voltages up to 7 V (per Absolute Maximum Ratings), and VIH/VIL thresholds scale with V_CC. When powered at 3.3 V, VIH = 2.0 V (min) and VIL = 0.8 V (max), ensuring reliable recognition of 5 V TTL logic highs and lows when used with current-limiting resistors per datasheet guidance.

How does the CE (clock enable) pin affect timing behavior?

When CE is HIGH, the CP input is disabled - no shifting occurs even on rising edges. This introduces no additional propagation delay to Q7/Q7; instead, it holds the register state indefinitely. Recovery time from CE HIGH to functional shifting is 15 ns (min) at V_CC = 4.5 V, enabling precise clock gating in time-critical data pipelines.

Is the TSSOP16 package (SOT403-1) thermally adequate for continuous 78 MHz operation?

Yes - at Tamb = 125 °C, the TSSOP16 package derates total power dissipation linearly at 8.5 mW/K above 91 °C. With typical ICC = 20 μA at 3.3 V and dynamic power < 1.5 mW at 78 MHz, junction temperature remains well below 150 °C under standard PCB copper pour conditions.