Details, datasheet, quote on part number: 74LCX14
CategoryLogic => Buffers/Inverters => 2-State => CMOS/BiCMOS->LVT/ALVT/LCX/LPT Family->Low Voltage
TitleCMOS/BiCMOS->LVT/ALVT/LCX/LPT Family->Low Voltage
DescriptionLow Voltage Hex Inverter With 5V Tolerant Schmitt Trigger Inputs
CompanyFairchild Semiconductor
DatasheetDownload 74LCX14 datasheet
Cross ref.Similar parts: 74LCX14M, 74LCX14T
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Features, Applications
74LCX14 Low Voltage Hex Inverter with 5V Tolerant Schmitt Trigger Inputs

The LCX14 contains six inverter gates each with a Schmitt trigger input. They are capable of transforming slowly changing input signals into sharply defined, jitter-free output signals. In addition, they have a greater noise margin than conventional inverters. The LCX14 has hysteresis between the positive-going and negative-going input thresholds (typically 1.0V) which is determined internally by transistor ratios and is essentially insensitive to temperature and supply voltage variations. The inputs tolerate voltages to 7V allowing the interface 5V, 3V and 2.5V systems. The 74LCX14 is fabricated with advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipation.


s 5V tolerant inputs s 2.3V3.6V VCC specifications provided 6.5 ns tPD max (VCC 10 A ICC max s Power down high impedance inputs and outputs 24 mA output drive (VCC 3.0V) s Implements patented noise/EMI reduction circuitry s Latch-up performance exceeds mA s ESD performance: Machine model > 2000V Human model > 200V

Order Number 74LCX14SJ 74LCX14MTC Package Number M14D MTC14 Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter "X" to the ordering code.

Pin Names In On Description Inputs Outputs Input L H Output H L

Symbol VCC VI VO IIK IOK IO ICC IGND TSTG Parameter Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Source/Sink Current DC Supply Current per Supply Pin DC Ground Current per Ground Pin Storage Temperature Value Conditions Units V Output in HIGH or LOW State (Note VI < GND VO < GND VO > VCC V mA

Symbol VCC VI VO IOH/IOL Supply Voltage Input Voltage Output Voltage Output Current HIGH or LOW State VCC - 3.6V VCC - 3.0V VCC - 2.7V Parameter Operating Data Retention Min Max 3.6 5.5 VCC Units V mA

Note 1: The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the Absolute Maximum Ratings. The "Recommended Operating Conditions" table will define the conditions for actual device operation. Note 2: IO Absolute Maximum Rating must be observed. Note 3: Unused inputs must be held HIGH or LOW. They may not float.

Symbol Vt+ Vt- VH VOH Parameter Positive Input Threshold Negative Input Threshold Hysteresis HIGH Level Output Voltage IOH = -100A IOH -8 mA IOH -12 mA IOH -18 mA IOH -24 mA VOL LOW Level Output Voltage IOL = 100A IOL = 8mA IOL 12 mA IOL 16 mA IOL mA II IOFF ICC Input Leakage Current Power-Off Leakage Current Quiescent Supply Current Increase in ICC per Input VI = VCC or GND VI 5.5V VIH = VCC -0.6V Conditions VCC (V) to +85C Min VCC A V Max Units V

= 500 Symbol Parameter VCC 0.3V CL= 50 pF Min tPHL tPLH tOSHL tOSLH Output to Output Skew (Note 4) Propagation Delay Time 1.5 Max VCC 50 pF Min 1.5 Max 7.5 VCC 30 pF Min 1.5 Max 7.8 ns Units

Note 4: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).

Symbol VOLP VOLV Parameter Quiet Output Dynamic Peak VOL Quiet Output Dynamic Valley VOL Conditions = 50 pF, VIH =3.3V, VIL = 30 pF, VIH = 2.5V, VIL = 50 pF, VIH = 3.3V, VIL = 30 pF, VIH =2.5V, VIL = 0V VCC (V) = 25C Typical Units V

Symbol CIN COUT CPD Input Capacitance Output Capacitance Power Dissipation Capacitance Parameter Conditions VCC = Open, 0V or VCC 0V or VCC 0V or VCC, = 10 MHz Typical 8 25 Units pF


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0-C     D-L     M-R     S-Z