ST 74LVC14A handbook
Contents
1. 74LVC14A TSSOP14 MECHANICAL DATA mm inch DIM MIN TYP TYP MAX A 0 047 Al 0 05 0 004 0 006 A2 0 8 1 0 039 0 041 b 0 19 0 012 c 0 09 0 0089 D 4 9 5 0 197 0 201 E 6 2 6 4 0 252 0 260 E1 4 3 4 4 0 173 0 176 e 0 65 BSC 0 0256 BSC K 0 8 L 0 45 0 60 0 75 0 018 0 024 0 030 E1 PIN 1 IDENTIFICATION 0080337D 4 8 12 74LVC14A Tape amp Reel SO 14 MECHANICAL DATA N C Y Y A A A TE Po Bo TE y O Dd D O q _ Ko AO ee Note Drawing not in scale 9 12 74LVC14A Tape amp Reel TSSOP14 MECHANICAL DATA N E Y 1 A i i RER Po Bo mo D O q l 5 Note Drawing not in scale A Table 11 Revision History 74LVC14A Date Revision Description of Changes 27 Jul 2004 7 Ordering Codes Revision pag 1 11 12 74LVC14A Information furnished is believed to be accurate and reliable However STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third par2. SZA 74LVC14A LOW VOLTAGE CMOS HEX INVERTER HIGH PERFORMANCE 5V TOLERANT INPUTS HIGH SPEED tpp 5 0ns MAX at Vcc 3V m POWER DOWN PROTECTION ON INPUTS AND OUTPUTS a SYMMETRICAL OUTPUT IMPEDANCE lloul lot 24mA MIN at Voc 3V PCI BUS LEVELS GUARANTEED AT 24 mA BALANCED PROPAGATION DELAYS PLH PHL m OPERATING VOLTAGE RANGE Vcc OPR 1 65V to 3 6V 1 2V Data Retention m PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 00 m LATCH UP PERFORMANCE EXCEEDS 500mA JESD 17 a ESD PERFORMANCE HBM gt 2000V MIL STD 883 method 3015 MM gt 200V DESCRIPTION The 74LVC14A is a low voltage CMOS HEX SCHMITT INVERTER fabricated with sub micron silicon gate and double layer metal wiring C MOS technology It is ideal for 1 65 to 3 6 Vcc operations and low power and low noise applications Figure 1 Pin Connection And IEC Logic Symbols July 2004 Table 1 Order Codes PACKAGE T amp R 7ALVGTARMTR TSSOP 74LVC14ATTR It can be interfaced to 5V signal environment for inputs in mixed 3 3 5V system lt has more speed performance at 3 3V than 5V AC ACT family combined with a lower power consumption Pin configuration and function are the same as those of the 74LVCO4A but the 74LVC14A has hysteresis between the positive and negative input threshold typically of 700mV All inputs and outputs are equipped with protection circuits against static discharge giving them 2KV ESD immunity and transi
3. 12 mA 0 4 0 4 3 0 lo 24 mA 0 55 0 55 ae 3 6 V 0 to 5 5V 5 5 pA lott on Leakage 0 V or Vo 5 5V 10 10 uA loc rare Supply Vi Vcc or GND 10 10 un 3 6 Vior Vo 3 6 to pA BEV 10 10 Alce loc incr per Input 2 7 to 3 6 Vin Voc 0 6V 500 500 uA Table 7 Dynamic Switching Characteristics Test Condition Value Symbol Parameter Vec Ta 25 C Unit V Min Typ Max VoLp Dynamic Low Level Quiet C 50pF 0 8 Va Output note 1 3 3 Vi OV Vin 3 3V 08 V 1 Number of output defined as n Measured with n 1 outputs switching from HIGH to LOW or LOW to HIGH The remaining output is measured in the LOW state 4 12 ky Table 8 AC Electrical Characteristics 74LVC14A Test Condition Value Symbol Parameter Vec Ci RL t t 40 to 85 C 55 to 125 C Unit v PF 9 ns Min Max Min Max tpLH tru Propagation Delay 1 65 to 1 95 30 1000 2 0 10 5 14 Time 2 3t027 30 500 2 0 7 0 9 1 a 2 7 50 500 2 5 6 0 75 3 0 to 3 6 50 500 2 5 1 5 0 1 6 4 tos n Output To Output 2 7 to 3 6 1 1 ns tosHL N Time note1 1 Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch ing in the same direction either HIGH or LOW tosLH tPLHm trLHnl tosHL tPHLm E tPHLnl 2 Parameter guaranteed by design Table 9 Capacitive Characteristi
4. cs Test Condition Value Symbol Parameter Vec Ta 25 C Unit v Min Typ Max CiN Input Capacitance 4 pF Cpp Power Dissipation Capacitance 1 8 fin 10MHz 37 note 1 25 38 pF 3 3 42 1 Cpp is defined as the value of the IC s internal equivalent capacitance which is calculated from the operating current consumption without load Refer to Test Circuit Average operating current can be obtained by the following equation Icc opr Cpp X Voc X fin Icc n per circuit 4 5 12 74LVC14A Figure 3 Test Circuit SC08630 Rr Zour of pulse generator typically 509 Table 10 Test Circuit And Waveform Symbol Value Symbol ae ymbo 1 65 to 1 95V 2 3 to 2 7V 2 7V 3 0 to 3 6V CL 30pF 30pF 50pF 50pF RL 10000 5002 5002 5000 ViH Voc Voc 2 7V 2 7V VM Vec 2 Vec 2 1 5V 1 5V Vou Voc Voc 3 0V 3 0V t 1 lt 2 0ns lt 2 0ns lt 2 5ns lt 2 5ns Figure 4 Waveform Propagation Delay f 1MHz 50 duty cycle cS00950 6 12 ky SO 14 MECHANICAL DATA 74LVC14A w Al SEATING PLANE C 0 25 mm GAGE PLANE 0016019D 4 7112
5. ent excess voltage LC11040 Rev 7 1 12 74LVC14A Figure 2 Input And Output Equivalent Circuit OUTPUT SC08971 O Table 2 Pin Description Table 3 Truth Table PIN N SYMBOL NAME AND FUNCTION A Y 1 3 5 9 11 13 1Ato6A Data Inputs L H 2 4 6 8 H L 10 12 1Yto6Y Data Outputs 7 GND Ground 0V 14 Voc Positive Supply Voltage Table 4 Absolute Maximum Ratings Symbol Parameter Value Unit Voc Supply Voltage 0 5 to 7 0 V VI DC Input Voltage 0 5 to 7 0 V Vo DC Output Voltage Vcc OV 0 5 to 7 0 V Vo DC Output Voltage High or Low State note 1 0 5 to Vcc 0 5 V lik DC Input Diode Current 50 mA lok DC Output Diode Current note 2 50 mA lo DC Output Current 50 mA Icc Or lanp DC Vec or Ground Current per Supply Pin 100 mA Tstg Storage Temperature 65 to 150 C TL Lead Temperature 10 sec 300 C Absolute Maximum Ratings are those values beyond which damage to the device may occur Functional operation under these conditions is iyi NE maximum rating must be observed 2 Vo lt GND 2 12 ky Table 5 Recommended Operating Conditions 74LVC14A Symbol Parameter Value Unit Voc Supply Voltage note 1 1 65 to 3 6 V VI Input Voltage 0 to 5 5 V Vo Output Voltage Vcc OV 0 to 5 5 V Vo Output Voltage High or Low State 0 to Vec V
6. lo lo High or Low Level Output Current Vec 3 0 to 3 6V 24 mA low lo High or Low Level Output Current Vgc 2 7 to 3 0V 12 mA low lo High or Low Level Output Current Vgc 2 3 to 2 7V 8 mA low lo High or Low Level Output Current Vcc 1 65 to 2 3V 4 mA Top Operating Temperature 55 to 125 C dt dv Input Rise and Fall Time note 2 0 to 10 ns V 1 Truth Table guaranteed 1 2V to 3 6V 2 Vin from 0 8V to 2V at Vcc 3 0V 4 3 12 74LVC14A Table 6 DC Specifications Test Condition Value Symbol Parameter Vec 40 to 85 C 55 to 125 C Unit V Min Max Min Max Vr Positive Input 1 65 to 1 95 0 6 1 4 0 6 1 4 threshold 2 3 to 2 7 0 8 2 0 0 8 2 0 y 3 0 0 8 2 0 0 8 2 0 3 6 0 8 2 2 0 8 2 2 VT Negative Input 1 65 to 1 95 0 3 1 0 0 3 1 0 threshold 2 3 to 2 7 0 4 1 4 0 4 1 4 7 3 0 0 6 1 5 0 6 1 5 3 6 0 8 1 8 0 8 1 8 Vu Hysteresis Voltage 1 65 to 1 95 0 3 1 1 0 3 1 1 2 3 to 2 7 0 3 1 1 0 3 1 1 3 0 0 3 1 2 0 3 1 2 3 6 0 3 1 2 0 3 1 2 Von High Level Output 1 65 to 3 6 lo 100 pA Voc 0 2 Vcc 0 2 voltage 1 65 lo 4 mA 12 1 2 2 3 lo 8 mA 1 7 1 7 y 2 7 lo 12 mA 2 2 2 2 3 0 lo 12 mA 2 4 2 4 3 0 lo 24 mA 2 2 2 2 VoL Low Level Output 1 65 to 3 6 lo 100 uA 0 2 0 2 Voltage 1 65 Io 4 mA 0 45 0 45 2 3 Io 8 mA 0 7 0 7 Vv 2 7 lo
7. ties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics Specifications mentioned in this publication are subject to change without notice This publication supersedes and replaces all information previously supplied STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners O 2004 STMicroelectronics All Rights Reserved STMicroelectronics group of companies Australia Belgium Brazil Canada China Czech Republic Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Singapore Spain Sweden Switzerland United Kingdom United States of America www st com 12 12 STA
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ST 74LVC14A handbook