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| (R) 74LCX14 LOW VOLTAGE CMOS HEX SCHMITT INVERTER WITH 5V TOLERANT INPUTS s s s s s s s s s s 5V TOLERANT INPUTS HIGH SPEED: tPD = 6.5 ns (MAX.) at VCC = 3.0V POWER-DOWN PROTECTION ON INPUTS AND OUTPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 24 mA (MIN) PCI BUS LEVELS GUARANTEED AT 24mA BALANCED PROPAGATION DELAYS: tPLH tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 2.0V to 3.6V (1.5V Data Retention) PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 14 LATCH-UP PERFORMANCE EXCEEDS 500mA ESD PERFORMANCE: HBM >2000V; MM > 200V M (Micro Package) T (TSSOP Package) ORDER CODES : 74LCX14M 74LCX14T AC/ACT family, combined with a lower power consumption. Pin configuration and function are the same as those of the LCX04 but the LCX14 has hysteresis between the positive and negative input threshold typically of 0.8V. This together with its schmitt trigger function allows it to be used on line receivers with slow rise/fall input signals. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. DESCRIPTION The LCX14 is a low voltage CMOS HEX SCHMITT INVERTER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. It is ideal for low power and high speed 3.3V applications; it can be interfaced to 5V signal enviroment for inputs. It has same speed performance at 3.3V than 5V, PIN CONNECTION AND IEC LOGIC SYMBOLS February 1999 1/8 74LCX14 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1, 3, 5, 9, 11, 13 2, 4, 6, 8, 10, 12 7 14 SYMBOL 1A to 6A 1Y to 6Y GND VCC NAME AND FUNCT ION Data Inputs Data Outputs Ground (0V) Positive Supply Voltage TRUTH TABLE A L H Y H L ABSOLUTE MAXIMUM RATINGS Symbol VCC VI VO VO IIK IOK IO ICC IGND Tstg TL Supply Voltage DC Input Voltage DC Output Voltage (VCC=0V) DC Output Voltage (High or Low State) (note1) DC Input Diode Current DC Output Diode Current (note2) DC Output Source/Sink Current DC Supply Current per Supply Pin DC Ground Current per Supply Pin Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to + 7.0 -0.5 to + 7.0 -0.5 to + 7.0 -0.5 to VCC + 0.5 - 50 50 50 100 100 -65 to +150 300 Unit V V V V mA mA mA mA mA o o C C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. 1) IO absolute maximum rating must be observed 2) VO < GND, VO > VCC 2/8 74LCX14 RECOMMENDED OPERATING CONDITIONS Symbol VCC VI VO VO IOH, IOL IOH, IOL Top Input Voltage Output Voltage (V CC = 0V) Output Voltage (High or Low State) High or Low Level Output Current (VCC = 3.0 to 3.6V) High or Low Level Output Current (VCC = 2.7 to 3.0V) Operating Temperature: Parameter Supply Voltage (note 1) Value 2.0 to 3.6 0 to 5.5 0 to 5.5 0 to VCC 24 12 -40 to +85 Unit V V V V mA mA o C 1) Truth Table guaranteed: 1.5V to3.6V DC SPECIFICATIONS Symb ol Parameter V CC (V) Vt+ VtVH VOH Positive Input Threshold Negative Input Threshold Hysterisis Voltage High Level Output Voltage 3.0 3.0 3.0 2.7 to 3.6 2.7 3.0 VOL Low Level Output Voltage 2.7 to 3.6 2.7 3.0 3.0 II Ioff ICC Input Leakage Current Power Off Leakage Current Quiescent Supply Current 2.7 to 3.6 0 2.7 to 3.6 VI = VI H VI = V IL IO=-12 mA IO=-18 mA IO=-24 mA IO=100 A IO=12 mA IO=16 mA IO=24 mA VI = 0 to 5.5 V VI or VO = 5.5V VI = VCC or GND VI or VO = 3.6 to 5.5V ICC ICC incr. per input 2.7 to 3.6 VIH = VCC -0.6V Test Co nditi ons Value -40 to 85 o C Min. 1.2 0.6 0.4 IO=-100 A V CC -0.2 2.2 2.4 2.2 0.2 0.4 0.4 0.55 5 100 10 10 500 A A A A V V Max. 2.2 1.5 1.2 V V V Un it DYNAMIC SWITCHING CHARACTERISTICS Symb ol Parameter V CC (V) VOLP VOLV Dynamic Low Voltage Quiet Output (note 1) 3.3 C L = 50 pF V IL = 0 V V IH = 3.3V Test Con dition s Min . Value T A = 25 o C T yp. 0.8 -0.8 V Max. Un it 1) Number ofoutputs defined as "n". Measured with"n-1" outputs switching from HIGH to LOW or LOW t o HIGH. The remaining output is measured in the LOW state. 3/8 74LCX14 AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 , Input tr = tf = 2.5 ns) Symb ol Parameter V CC (V) tPLH tPHL tOSLH tOSHL Propagation Delay Time Output to Output Skew Time (note 1, 2) 2.7 3.0 to 3.6 3.0 to 3.6 Test Con dition Waveform Value -40 to 85 o C Min. Max. 6.0 1.5 6.5 1.0 Un it 1 ns ns 1) Skew is defined as the absolute value of the difference between the actual propagation delay for any twooutputs of the same device switching in the same direction, either HIGH or LOW (tOSLH = |tPLHm - tPLHn|, tOSHL = |tPHLm - tpHLn|) 2) Parameter guaranteed by design CAPACITIVE CHARACTERISTICS Symb ol Parameter V CC (V) C IN CPD Input Capacitance Power Dissipation Capacitance (note 1) 3.3 3.3 VIN = 0 to VCC fIN = 10MHz VIN = 0 or VCC Test Co nditi ons Min. Valu e T A = 25 oC T yp. 6 48 Max. pF pF Un it 1) CPD isdefined as the value of the IC'sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. Average operting current can be obtained by the following equation. I CC(opr) = CPD * VCC * fIN + ICC/6 (per gate) 4/8 74LCX14 TEST CIRCUIT CL = 50 pF or equivalent (includes jigand probe capacitance) RL = 500 or equivalent RT = ZOUT of pulse generator (typically 50) WAVEFORM: PROPAGATION DELAYS (f=1MHz; 50% duty cycle) 5/8 74LCX14 SO-14 MECHANICAL DATA DIM. MIN. A a1 a2 b b1 C c1 D E e e3 F G L M S 3.8 4.6 0.5 8.55 5.8 1.27 7.62 4.0 5.3 1.27 0.68 8 (max.) 0.149 0.181 0.019 8.75 6.2 0.35 0.19 0.5 45 (typ.) 0.336 0.228 0.050 0.300 0.157 0.208 0.050 0.026 0.344 0.244 0.1 mm TYP. MAX. 1.75 0.2 1.65 0.46 0.25 0.013 0.007 0.019 0.003 MIN. inch TYP. MAX. 0.068 0.007 0.064 0.018 0.010 P013G 6/8 74LCX14 TSSOP14 MECHANICAL DATA mm MIN. A A1 A2 b c D E E1 e K L 0o 0.50 0.05 0.85 0.19 0.09 4.9 6.25 4.3 5 6.4 4.4 0.65 BSC 4o 0.60 8o 0.70 0o 0.020 0.10 0.9 TYP. MAX. 1.1 0.15 0.95 0.30 0.20 5.1 6.5 4.48 0.002 0.335 0.0075 0.0035 0.193 0.246 0.169 0.197 0.252 0.173 0.0256 BSC 4o 0.024 8o 0.028 0.004 0.354 MIN. inch TYP. MAX. 0.433 0.006 0.374 0.0118 0.0079 0.201 0.256 0.176 DIM. A A2 A1 b e K c L E D E1 PIN 1 IDENTIFICATION 1 7/8 74LCX14 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 parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification 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 trademark of STMicroelectronics (c) 1999 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. http://www.st.com . 8/8 |
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