M74HCT08 QUAD 2-INPUT AND GATE ■ HIGH SPEED: tPD = 13ns (TYP.) at VCC=4.5V ■ LOW POWER DISSIPATION: ICC = 1µA(MAX.) at TA=25°C ■ COMPATIBLE WITH TTL OUTPUTS : VIH = 2V (MIN.) VIL = 0.8V (MAX) ■ BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL ■ SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) ■ PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 08 DIP SOP TSSOP ORDER CODES PACKAGE TUBE DIP SOP TSSOP M74HCT08B1R M74HCT08M1R T&R M74HCT08RM13TR M74HCT08TTR DESCRIPTION The M74HCT08 is an high speed CMOS QUAD 2-INPUT AND GATE fabricated with silicon gate C2MOS technology. The internal circuit is composed of 2 stages including buffer output, which enables high noise immunity and stable output. The M74HCT08 is designed to directly interface HSC2MOS systems with TTL and NMOS components. All inputs are equipped with protection circuits against static discharge and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/8 M74HCT08 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL 1, 4, 9, 12 2, 5, 10, 13 3, 6, 8, 11 7 1A to 4A 1B to 4B 1Y to 4Y GND VCC 14 NAME AND FUNCTION Data Inputs Data Inputs Data Outputs Ground (0V) Positive Supply Voltage TRUTH TABLE A B Y L L H H L H L H L L L H ABSOLUTE MAXIMUM RATINGS Symbol VCC Parameter Supply Voltage Value Unit -0.5 to +7 V VI DC Input Voltage -0.5 to VCC + 0.5 V VO DC Output Voltage IIK DC Input Diode Current -0.5 to VCC + 0.5 ± 20 mA IOK DC Output Diode Current ± 20 mA IO DC Output Current ± 25 mA ICC or IGND DC VCC or Ground Current PD Power Dissipation Tstg Storage Temperature TL Lead Temperature (10 sec) V ± 50 mA 500(*) mW -65 to +150 °C 300 °C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied (*) 500mW at 65 °C; derate to 300mW by 10mW/°C from 65°C to 85°C RECOMMENDED OPERATING CONDITIONS Symbol VCC 2/8 Parameter Value Unit Supply Voltage 4.5 to 5.5 V VI Input Voltage 0 to VCC V VO Output Voltage Top Operating Temperature tr, tf Input Rise and Fall Time (VCC = 4.5 to 5.5V) 0 to VCC V -55 to 125 °C 0 to 500 ns M74HCT08 DC SPECIFICATIONS Test Condition Symbol VIH VIL VOH VOL II ICC ∆ ICC Parameter High Level Input Voltage Low Level Input Voltage Min. 4.5 to 5.5 4.5 to 5.5 4.5 Low Level Output Voltage 4.5 Input Leakage Current Quiescent Supply Current Additional Worst Case Supply Current TA = 25°C VCC (V) High Level Output Voltage Value Typ. Max. 2.0 -40 to 85°C -55 to 125°C Min. Min. Max. 2.0 0.8 Max. 2.0 0.8 V 0.8 IO=-20 µA 4.4 4.5 4.4 4.4 IO=-4.0 mA 4.18 4.31 4.13 4.10 Unit V V IO=20 µA 0.0 0.1 0.1 0.1 IO=4.0 mA 0.17 0.26 0.33 0.40 V 5.5 VI = VCC or GND ± 0.1 ±1 ±1 µA 5.5 VI = VCC or GND 1 10 20 µA 5.5 Per Input pin VI = 0.5V or VI = 2.4V Other Inputs at VCC or GND IO = 0 2.0 2.9 3.0 mA AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns) Test Condition Symbol Parameter tTLH tTHL Output Transition Time tPLH tPHL Propagation Delay Time Value TA = 25°C VCC (V) Min. -40 to 85°C -55 to 125°C Min. Min. Max. Unit Typ. Max. Max. 4.5 8 15 19 22 ns 4.5 13 21 26 32 ns CAPACITIVE CHARACTERISTICS Test Condition Symbol Parameter VCC (V) Value TA = 25°C Min. Typ. Max. 10 CIN Input Capacitance 5 CPD Power Dissipation Capacitance (note 1) 38 -40 to 85°C -55 to 125°C Min. Min. Max. 10 Unit Max. 10 pF pF 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/4 (per gate) 3/8 M74HCT08 TEST CIRCUIT CL = 50pF or equivalent (includes jig and probe capacitance) RT = ZOUT of pulse generator (typically 50Ω) WAVEFORM : PROPAGATION DELAY TIMES (f=1MHz; 50% duty cycle) 4/8 M74HCT08 Plastic DIP-14 MECHANICAL DATA mm. inch DIM. MIN. a1 0.51 B 1.39 TYP MAX. MIN. TYP. MAX. 0.020 1.65 0.055 0.065 b 0.5 0.020 b1 0.25 0.010 D 20 0.787 E 8.5 0.335 e 2.54 0.100 e3 15.24 0.600 F 7.1 0.280 I 5.1 0.201 L Z 3.3 1.27 0.130 2.54 0.050 0.100 P001A 5/8 M74HCT08 SO-14 MECHANICAL DATA DIM. mm. MIN. TYP A a1 inch MAX. MIN. TYP. 1.75 0.1 0.068 0.2 a2 MAX. 0.003 0.007 1.65 0.064 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 C 0.5 0.019 c1 45° (typ.) D 8.55 8.75 0.336 0.344 E 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 7.62 0.300 F 3.8 4.0 0.149 0.157 G 4.6 5.3 0.181 0.208 L 0.5 1.27 0.019 0.050 M S 0.68 0.026 8° (max.) PO13G 6/8 M74HCT08 TSSOP14 MECHANICAL DATA mm. inch DIM. MIN. TYP A MAX. MIN. TYP. MAX. 1.2 A1 0.05 A2 0.8 b 0.047 0.15 0.002 0.004 0.006 1.05 0.031 0.039 0.041 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0089 D 4.9 5 5.1 0.193 0.197 0.201 E 6.2 6.4 6.6 0.244 0.252 0.260 E1 4.3 4.4 4.48 0.169 0.173 0.176 1 e 0.65 BSC K 0° L 0.45 A 0.60 0.0256 BSC 8° 0° 0.75 0.018 8° 0.024 0.030 A2 A1 b e K c L E D E1 PIN 1 IDENTIFICATION 1 0080337D 7/8 M74HCT08 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. 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