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74V2T14
TRIPLE SCHMITT INVERTER
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HIGH SPEED: tPD = 5.0ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 1A(MAX.) at TA = 25C TYPICAL HYSTERESIS: Vh=700mV at VCC=4.5V POWER DOWN PROTECTION ON INPUT SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8mA (MIN) at VCC = 4.5V BALANCED PROPAGATION DELAYS: tPLH tPHL OPERATING VOLTAGE RANGE: VCC(OPR) = 4.5V to 5.5V IMPROVED LATCH-UP IMMUNITY
SOT23-8L
ORDER CODES
PACKAGE SOT23-8L T&R 74V2T14STR
DESCRIPTION The 74V2T14 is an advanced high-speed CMOS TRIPLE SCHMITT INVERTER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. The internal circuit is composed of 3 stages including buffer output, which provide high noise immunity and stable output. Power down protection is provided on input and 0 to 7V can be accepted on input with no regard to
the supply voltage. This device can be used to interface 5V to 3V. Pin configuration and function are the same as those of the 74V2T04 but the 74V2T14 has hysteresis. This together with its schmitt trigger function allows it to be used on line receivers with slow rise/fall input signals. The input is equipped with protection circuits against static discharge, giving it ESD immunity and transient excess voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
June 2003
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74V2T14
INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
PIN No 1, 3, 6 7, 5, 2 4 8 SYMBOL 1A, 2A, 3A 1Y, 2Y, 3Y GND VCC NAME QND FUNCTION Data Inputs Data Outputs Ground (0V) Positive Supply Voltage
TRUTH TABLE
A L H Y H L
ABSOLUTE MAXIMUM RATINGS
Symbol VCC VI VO IIK IOK IO Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Current Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +7.0 -0.5 to +7.0 -0.5 to VCC + 0.5 - 20 20 25 50 -65 to +150 260 Unit V V V mA mA mA mA C C
ICC or IGND DC VCC or Ground Current
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied.
RECOMMENDED OPERATING CONDITIONS
Symbol VCC VI VO Top Supply Voltage Input Voltage Output Voltage Operating Temperature Parameter Value 4.5 to 5.5 0 to 5.5 0 to VCC -55 to 125 Unit V V V C
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74V2T14
DC SPECIFICATIONS
Test Condition Symbol Parameter VCC (V) 4.5 5.5 4.5 5.5 4.5 5.5 4.5 4.5 4.5 4.5 0 to 5.5 5.5 5.5 IO=-50 A IO=-8 mA IO=50 A IO=8 mA VI = 5.5V or GND VI = VCC or GND One Input at 3.4V, other input at VCC or GND TA = 25C Min. 0.9 1.1 0.5 0.6 0.4 0.5 4.4 3.94 0.0 0.1 0.36 0.1 1 1.35 Typ. Max. 2.0 2.0 1.5 1.6 1.4 1.6 4.5 Value -40 to 85C Min. 0.9 1.1 0.5 0.6 0.4 0.5 4.4 3.8 0.1 0.44 1.0 10 1.5 Max. 2.0 2.0 1.5 1.6 1.4 1.6 -55 to 125C Min. 0.9 1.1 0.5 0.6 0.4 0.5 4.4 3.7 0.1 0.55 1.0 20 1.5 A A mA V Max. 2.0 2.0 1.5 1.6 1.4 1.6 V V V V Unit
Vt+ VtVh VOH VOL II ICC ICC
High Level Threshold Voltage Low Level Threshold Voltage Hysteresis Voltage High Level Output Voltage Low Level Output Voltage Input Leakage Current Quiescent Supply Current Additional Worst Case Supply Current
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3ns)
Test Condition Symbol Parameter VCC (V) 5.0 (*) 5.0 (*) CL (pF) 15 50 TA = 25C Min. Typ. 5.0 6.5 Max. 7.5 8.5 Value -40 to 85C Min. 1.0 1.0 Max. 9.0 10.0 -55 to 125C Min. 1.0 1.0 Max. 10.5 11.5 ns Unit
(*) Voltage range is 5.0V 0.5V
CAPACITIVE CHARACTERISTICS
Test Condition Symbol Parameter Min. CIN CPD Input Capacitance Power Dissipation Capacitance (note 1) TA = 25C Typ. 4 14 Max. 10 Value -40 to 85C Min. Max. 10 -55 to 125C Min. Max. 10 pF pF Unit
1) CPD 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) = CPD x VCC x fIN + ICC/3
+
tPLH tPHL
Propagation Delay Time
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74V2T14
TEST CIRCUIT
CL = 15/50pF or equivalent (includes jig and probe capacitance) RT = ZOUT of pulse generator (typically 50)
WAVEFORM: PROPAGATION DELAY (f=1MHz; 50% duty cycle)
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74V2T14
SOT23-8L MECHANICAL DATA
mm. DIM. MIN. A A1 A2 b C D E E1 e e1 L 0.35 0.90 0.00 0.90 0.22 0.09 2.80 2.60 1.50 0 .65 1.95 0.55 13.7 TYP MAX. 1.45 0.15 1.30 0.38 0.20 3.00 3.00 1.75 MIN. 35.4 0.0 35.4 8.6 3.5 110.2 102.3 59.0 25.6 76.7 21.6 TYP. MAX. 57.1 5.9 51.2 14.9 7.8 118.1 118.1 68.8 mils
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74V2T14
Tape & Reel SOT23-xL MECHANICAL DATA
mm. DIM. MIN. A C D N T Ao Bo Ko Po P 3.13 3.07 1.27 3.9 3.9 3.23 3.17 1.37 4.0 4.0 12.8 20.2 60 14.4 3.33 3.27 1.47 4.1 4.1 0.123 0.120 0.050 0.153 0.153 0.127 0.124 0.054 0.157 0.157 13.0 TYP MAX. 180 13.2 0.504 0.795 2.362 0.567 0.131 0.128 0.0.58 0.161 0.161 0.512 MIN. TYP. MAX. 7.086 0.519 inch
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74V2T14
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. 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. (c) The ST logo is a registered trademark of STMicroelectronics (c) 2003 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. (c) http://www.st.com
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