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| TECHNICAL DATA Quad 2-Input AND Gate IN74VHCT08 is high-speed logic IC made by CMOS technology and designed for use in high-performance calculating systems with a wide supply voltage range. As for operation speed, IN74VHCT08 can be compared with equivalent bipolar ICs based on Schottky TTL and two times surpasses ICs of IN74 series. IN74VHCT08 tolerates operation under conditions when voltage on input & output is exceeded up to 7V without affecting characteristics and IC reliability. This possibility allows to use IN74VHCT08 in radio-electronic devices for interfacing with supply voltages 5V and 3V, eliminate IC failure under supply voltage source emergency outage. Use of output edge shaping block in the microcircuit allows to reduce noise amplitude of noises when switching outputs into the same state simultaneously. Input levels of IN74VHCT08 are compatible with TTL level and output levels with CMOS levels. IN74VHCT08 ORDERING INFORMATION IN74VHCT08N Plastic IN74VHCT08D SOIC TA = -40 to 85 C for all packages Features : Supply voltage range 4.5 to 5.5 V. Output current 8 mA. Low consumption current: 0.2 mkA (typical value) at = 25 . Latchup current not less than 300 mA at = 85 . Tolerable value of static potential not less than 2000 V as per human body model (HBM) and not less than 200 V as per machine model (). * Ambient operation temperature minus 40 to plus 85 . * Balanced signal propagation delay. * Ensures voltage exceeding mode on input * Low noise level at the simultaneous switching of outputs in the same state: VOLP = 0.8 V (max). * For pins and functions, compatible with IN74HCT08. . * * * * * 1 IN74VHCT08 IN74VHCT08 truth table Input Output A L L H H B L H L Y= * L L L H H Note - H - high voltage level; L - low voltage level; Pinout A1 01 B1 02 Y1 03 A2 04 B2 05 Y2 06 GND 07 14 13 12 Vcc B4 A4 11 Y4 10 09 08 B3 A3 Y3 Pins description in IN74VHCT08 Pin No. 01 02 03 04 05 06 07 08 09 10 11 12 13 14 Symbol 1 1 Y1 2 2 Y2 GND Y3 3 3 Y4 4 4 VCC Description Input Input Output Input Input Output Common output Output Input Input Output Input Input Supply output from voltage source 2 IN74VHCT08 Absolute maximum conditions* Parameter, unit Supply voltage, V Input voltage, V Output voltage, V Output voltage, V Input diode current, mA Current of common output and supply output, mA Output current, mA Output diode current, mA Dissipated power, mW Symbol VCC Vin Vout Vout1 Iik Icc Iout Iok Pd min -0.5 -0.5 -0.5 -0.5 Value max 7.0 7.0 VCC + 0.5B 7.0 -20 50 25 20 180 *Under absolute maximum conditions operation of microcircuit is not guaranteed. Operation is guaranteed under maximum conditions Maximum conditions Parameter, unit Symbol min 4.5 0 0 0 0 Value max 5.5 VCC VCC 5.5* 8.0 20 Supply voltage, V Input voltage,V Output voltage, V Output voltage, V Output current, mA Input rise and fall time, ns/V * - Vcc = 0V VCC Vin Vout Vout1 Iout tLH, tHL 3 IN74VHCT08 DC electrical characteristics Value Symbo l VIH VIL VOH Parameter High input voltage Test conditions VCC, V 25 C min 2.0 - 4.42 5.42 3.94 - - - max 0.8 - - - 0.09 0.09 0.36 -0.1 0.1 0.1 0.5 2.0 1.35 -40 to 85 C min max 2.0 - 4.4 5.4 3.80 - - - 0.8 - - - 0.1 0.1 0.44 -1.0 1.0 1.0 5.0 20.0 1.5 mA uA Unit VOL II IIH IIH1 IOPD ICC ICCT 4.5 - VO 0.1 V or 5.5 VO VCC -0.1 Low input voltage 4.5 - VO 0.1 V or 5.5 VO VCC -0.1 High output voltage VI = VIH or VIL 4.5 IO = -50 mkA 5.5 VI = VIH or VIL; 4.5 IO = -8 mA Low output voltage VI = VIH or VIL 4.5 IO = 50 mkA 5.5 VI = VIH or VIL 4.5 IO = 8 mA Low level input VI = 0 V 5.5 current High level input VI = VCC 5.5 current High level input VI = 5.5V 0 current Output bias current VI = 5.5V 0 excess mode Consumption current VI =VCC or 0V 5.5 TTL-input VI consumption current = 3.4 V 5.5 V 4 IN74VHCT08 AC electrical characteristics (tLH = tHL = 3.0 ns) Value Symbol Parameter Test conditions VCC, V CL, pF 25 C min - - max 6.9 7.9 -40 to 85 C min max - 8.0 - 9.0 Unit ns tPHL, tPLH Propagation delay time VIL = 0 when switching "on", VI=3.0 V, "off" V, 5.0 0.5 15 50 CI CD Input capacity Dynamic capacity VI = 0 V orVCC 5.0 5.0 10 36 pF Noise characteristics (CL = 50 pF) Parameter Symbol VOLP VOLV VIHD VILD VCC, V Positive noise of low output voltage 5.0 Negative noise of low output 5.0 voltage Input dynamic high voltage Input dynamic low voltage 5.0 5.0 min -0.8 2.0 0.8 Value max 0.8 Unit V - Time diagram of input and output pulses tL A, B 0.9 0.5 0.1 t PH L H tH L 0.9 0.5 0.1 t PL H VCC GN D VCC 0.5 Y 0.5 0V 5 IN74VHCT08 N SUFFIX PLASTIC DIP (MS - 001AA) A 14 8 B 1 7 Dimension, mm Symbol A B C MIN 18.67 6.1 MAX 19.69 7.11 5.33 0.36 1.14 2.54 7.62 0 2.92 7.62 0.2 0.38 10 3.81 8.26 0.36 0.56 1.78 F L D F C -T- SEATING N G D 0.25 (0.010) M T K PLANE G H H J M J K L M N NOTES: 1. Dimensions "A", "B" do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side. D SUFFIX SOIC (MS - 012AB) Dimension, mm 8 A 14 Symbol A MIN 8.55 3.8 1.35 0.33 0.4 1.27 5.27 0 0.1 0.19 5.8 0.25 MAX 8.75 4 1.75 0.51 1.27 H B P B C 1 G 7 C R x 45 D F G -TD 0.25 (0.010) M T C M K SEATING PLANE H J F M J K M P R 8 0.25 0.25 6.2 0.5 NOTES: 1. Dimensions A and B do not include mold flash or protrusion. 2. Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B 0.25 mm (0.010) per side. 6 |
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