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| 74LVX14 Low Voltage Hex Inverter with Schmitt Trigger Input March 1993 Revised December 1999 74LVX14 Low Voltage Hex Inverter with Schmitt Trigger Input General Description The LVX14 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 LVX14 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 up to 7V allowing the interface of 5V systems to 3V systems. Features s Input voltage level translation from 5V to 3V s Ideal for low power/low noise 3.3V applications s Guaranteed simultaneous switching noise level and dynamic threshold performance Ordering Code: Order Number 74LVX14M 74LVX14SJ 74LVX14MTC Package Number M14A M14D MTC14 Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 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 suffix letter "X" to the ordering code. Logic Symbol IEEE/IEC Connection Diagram Pin Descriptions Pin Names In On Description Inputs Outputs Truth Table Input A L H Output O H L (c) 1999 Fairchild Semiconductor Corporation DS011603 www.fairchildsemi.com 74LVX14 Absolute Maximum Ratings(Note 1) Supply Voltage (VCC) DC Input Diode Current (IIK) VI = -0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO = -0.5V VO = VCC + 0.5V DC Output Voltage (VO) DC Output Source or Sink Current (IO) DC VCC or Ground Current (ICC or IGND) Storage Temperature (TSTG) Power Dissipation 50 mA -65C to +150C 180 mW 25 mA -20 mA +20 mA -0.5V to VCC + 0.5V -20 mA -0.5V to 7V -0.5V to +7.0V Recommended Operating Conditions (Note 2) Supply Voltage (VCC) Input Voltage (VI) Output Voltage (VO) Operating Temperature (TA) 2.0V to 3.6V 0V to 5.5V 0V to VCC -40C to +85C 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: Unused inputs must be held HIGH or LOW. They may not float. DC Electrical Characteristics Symbol Vt+ Vt- VH VOH Parameter Positive Threshold Negative Threshold Hysteresis HIGH Level Output Voltage VOL LOW Level Output Voltage IIN ICC Input Leakage Current Quiescent Supply Current VCC 3.0 3.0 3.0 2.0 3.0 3.0 2.0 3.0 3.0 3.6 3.6 0.9 0.3 1.9 2.9 2.58 0.0 0.0 0.1 0.1 0.36 0.1 2.0 2.0 3.0 1.2 TA = +25C Min Typ Max 2.2 0.9 0.3 1.9 2.9 2.48 0.1 0.1 0.44 1.0 20 A A V V 1.2 TA = -40C to +85C Min Max 2.2 Units V V V IOH = -50 A VIN = VIL or VIH IOH = -50 A IOH = -4 mA IOL = 50 A VIN = VIL or VIH IOL = 50 A IOL = 4 mA VIN = 5.5V or GND VIN = VCC or GND Conditions Noise Characteristics (Note 3) Symbol VOLP VOLV VIHD VILD Parameter Quiet Output Maximum Dynamic VOL Quiet Output Minimum Dynamic VOL Minimum HIGH Level Dynamic Input Voltage Maximum LOW Level Dynamic Input Voltage VCC (V) 3.3 3.3 3.3 3.3 TA = 25C Typ 0.3 -0.3 Limit 0.5 -0.5 2.0 0.8 Units V V V V CL (pF) 50 50 50 50 Note 3: Input tr = tf = 3ns www.fairchildsemi.com 2 74LVX14 AC Electrical Characteristics Symbol tPLH tPHL Parameter Propagation Delay Time VCC (V) 2.7 3.3 0.3 tOSLH tOSHL Output to Output Skew (Note 4) 2.7 3.3 TA = +25C Min Typ 8.7 11.2 6.8 9.3 Max 16.3 19.8 10.6 14.1 1.5 1.5 TA = -40C to +85C Min 1.0 1.0 1.0 1.0 Max 19.5 23.0 12.5 16.0 1.5 1.5 ns ns Units CL (pF) 15 50 15 50 50 Note 4: Parameter guaranteed by design. tOSLH = |tPLHm - tPLHn|, tOSHL = |t PHLm - t PHLn| Capacitance Symbol CIN CPD Input Capacitance Power Dissipation Capacitance (Note 5) Parameter Min TA = +25C Typ 4 21 Max 10 TA = -40C to +85C Min Max 10 pF pF Units Note 5: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. 3 www.fairchildsemi.com 74LVX14 Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150" Narrow Package Number M14A www.fairchildsemi.com 4 74LVX14 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M14D 5 www.fairchildsemi.com 74LVX14 Low Voltage Hex Inverter with Schmitt Trigger Input Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC14 Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. www.fairchildsemi.com 6 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com |
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