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Dell Vostro 3660 3669 FAIRCHILD 74LCX14 Low Voltage Hex Inverter with 5V Tolerant Schmitt Trigger Inputs Owner's Manual, Specifications

Summary

This high-performance integrated circuit features six low-voltage inverter gates with robust Schmitt trigger inputs, ideal for signal conditioning across various voltage systems (2.3V–3.6V). Engineered for reliability, it provides excellent noise immunity while tolerating external voltages up to 7V. The accompanying manual offers comprehensive technical specifications, including absolute maximum ratings, detailed DC/AC electrical characteristics, and multiple package options, making it an essential resource for circuit designers building low-power, robust digital interfaces and logic systems.

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查询74LCX14供应商

74L 14 L ltag e H ex In verter w ith 5V To leran t S ch itt Trig er In ts

March 1995 Revised February 2005

74LCX14 Low Voltage Hex Inverter with 5V Tolerant Schmitt Trigger Inputs General Description Features The LCX14 contains six inverter gates each with a Schmitt ■5V tolerant inputs trigger input. They are capable of transforming slowly ■2.3V–3.6V VCC specifications provided changing input signals into sharply defined, jitter-free out-

■6.5 ns t PD max (VCC 3.3V), 10 PA ICC max

put signals. In addition, they have a greater noise margin than conventional inverters. ■Power down high impedance inputs and outputs The LCX14 has hysteresis between the positive-going and ■r24 m A output drive (VCC 3.0V) negative-going input thresholds (typically 1.0V) which is

Implements patented noise/EMI reduction circuitry

determined internally by transistor ratios and is essentially

■Latch-up performance exceeds JEDEC 78 conditions

insensitive to temperature and supply voltage variations.

■ESD performance:

The inputs tolerate voltages up to 7V allowing the interface

of 5V, 3V and 2.5V systems. Machine model ! 200V The 74LCX14 is fabricated with advanced CMOS technol- Human model ! 2000V

ogy to achieve high speed operation while maintaining ■Leadless Pb-Free DQFN package CMOS low power dissipation.

Ordering Code:

Package

Order Number Package Description

Number

74LCX14M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74LCX14MX_NL M14A Pb-Free 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow (Note 2) 74LCX14SJ M14D Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LCX14BQX MLP014A Pb-Free 14-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC (Note 1) MO-241, 2.5 x 3.0mm 74LCX14MTC MTC14 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74LCX14MTCX_NL MTC14 Pb-Free 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm (Note 2) Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Pb-Free package per JEDEC J-STD-020B. Note 1: DQFN package available in Tape and Reel only. Note 2: “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only.

© 2005 Fairchild Semiconductor Corporation DS012412 www.fairchildsemi.com

Page Summary Contents For Dell Vostro 3660 3669 FAIRCHILD 74LCX14 Low Voltage Hex Inverter with 5V Tolerant Schmitt Trigger Inputs Owner's Manual, Specifications

Page 1 查询74LCX14供应商 74L 14 L ltag e H ex In verter w ith 5V To leran t S ch itt Trig er In ts March 1995 Revised February 2005 74LCX14 Low Voltage Hex Inverter with 5V Tolerant Schmitt Trigger Inputs General...
Page 2 Logic Symbol Connection Diagrams IEEE/IEC Pin Assignments for SOIC, SOP, and TSSOP Pin Descriptions Pad Assignments for DQFN Pin Names Description In Inputs On Outputs Truth Table Input Output (Top Vi...
Page 3 74L Absolute Maximum Ratings(Note 3) Symbol Parameter Value Conditions Units VCC Supply Voltage 0.5 to 7.0 VI DC Input Voltage 0.5 to 7.0 VO DC Output Voltage 0.5 to VCC  0.5 Output in HIGH or LOW ...
Page 4 AC Electrical Characteristics TA 40q C to 85q C, RL 500 : VCC 3.3V r 0.3V VCC 2.7V VCC 2.5V r 0.2V Symbol Parameter Units CL 50 p F CL 50 p F CL 30 p F Min Max Min Max Min Max t PHL Propagation Dela...
Page 5 74L AC Loading and Waveforms Generic for LCX Family FIGURE 1. AC Test Circuit (CL includes probe and jig capacitance) Test Switch t PLH, t PHL Open t PZL, t PLZ 6V at VCC 3.3 r 0.3V VCC x 2 at VCC 2.5...
Page 6 Schematic Diagram Generic for LCX Family www.fairchildsemi.com
Page 7 74L Tape and Reel Specification Tape Format for DQFN Package Tape Number Cavity Cover Tape Designator Section Cavities Status Status Leader (Start End) 125 (typ) Empty Sealed BQX Carrier 2500/3000 Fil...
Page 8 Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Package Number M14A www.fairchildsemi.com
Page 9 74L Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M14D www.fairchildsemi.com
Page 10 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Pb-Free 14-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC MO-241, 2.5 x 3.0mm Package Number MLP014A w...
Page 11 74L 14 L ltag e H ex In verter w ith 5V To leran t S ch itt Trig er In ts Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Thin Shrink Small Outline Package (TSSOP),...

Manual Details

Brand Fairchild
Pages 11
File Size 519.28 KB
Published June 18, 2026
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Frequently Asked Questions

What supply voltage range does the 74LCX14 support?

It operates from 2.0V to 3.6V, with data retention supported from 1.5V to 3.6V.

Can 74LCX14 inputs interface with 5V systems?

Yes, inputs tolerate up to 7V, allowing interface with 5V, 3V and 2.5V systems.

What is the maximum output drive current at 3.0V Vcc?

The maximum output drive current is ±24 mA at Vcc of 3.0V.

Is the 74LCX14 available in Pb-Free packages?

Yes, Pb-Free SOIC, SOP, TSSOP and DQFN packages are available.