M74HC540RM13TR

M74HC540 OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED) ■ ■ ■ ■ ■ ■ ■ HIGH SPEED: tPD = 9ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC = 4µA(MAX.) at TA=25°C HIGH NOISE IMMUNITY: VNIH = V NIL = 28 % VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 6mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 540 DESCRIPTION The 74HC540 is an advanced high-speed CMOS OCTAL BUS BUFFER (3-STATE) fabricated with silicon C2MOS technology. The M74HC541 is an inverting buffer. The 3-STATE control gate operates as a two input AND such that if either G1 and G2 are high, all eight output are in the high impedance state. In ) (s t c u DIP PACKAGE TUBE t e l o s b O TSSOP u d o r P e ORDER CODES DIP SOP TSSOP ) s ( ct SOP M74HC540B1R M74HC540M1R T&R M74HC540RM13TR M74HC540TTR order to enhance PC board layout the M74HC540 offer a pinout having inputs and outputs on opposite sides of the package. All inputs are equipped with protection circuits against static discharge and transient excess voltage. d o r P e t e l o s b O PIN CONNECTION AND IEC LOGIC SYMBOLS August 2001 1/10 M74HC540 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1, 19 2, 3, 4, 5, 6, 7, 8, 9 18, 17, 16, 15, 14, 13, 12, 11 10 20 G1, G2 A1 to A8 Output Enable Inputs Data Inputs Y1 to Y8 Bus Outputs GND VCC Ground (0V) Positive Supply Voltage ) s ( ct TRUTH TABLE INPUT G1 G2 H X L L X H L L X : Don’t Care Z : High Impedance ) (s ABSOLUTE MAXIMUM RATINGS t c u Symbol VCC Parameter Supply Voltage An s b O e t e ol X X H L u d o OUTPUT Pr Yn Z Z L H Value Unit -0.5 to +7 V -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 V DC Input Diode Current ± 20 mA IOK DC Output Diode Current ± 20 mA IO DC Output Current ± 35 mA d o r VI DC Input Voltage VO DC Output Voltage IIK P e t e l o ICC or IGND DC VCC or Ground Current s b O PD Power Dissipation Tstg Storage Temperature TL Lead Temperature (10 sec) V ± 70 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 2/10 M74HC540 RECOMMENDED OPERATING CONDITIONS Symbol Parameter VCC Value Supply Voltage VI Input Voltage VO Output Voltage Top Operating Temperature Input Rise and Fall Time tr, tf Unit 2 to 6 V 0 to VCC V 0 to VCC V -55 to 125 °C VCC = 2.0V 0 to 1000 ns VCC = 4.5V 0 to 500 ns VCC = 6.0V 0 to 400 ns ) s ( ct DC SPECIFICATIONS Test Condition Symbol VIH VIL VOH Parameter TA = 25°C VCC (V) High Level Input Voltage Min. 2.0 4.5 6.0 2.0 4.5 6.0 Low Level Input Voltage High Level Output Voltage 1.5 3.15 4.2 IO=-20 µA 4.5 IO=-20 µA IOZ ICC u d o -40 to 85°C Max. e t e l Pr Min. Max. 1.5 3.15 4.2 0.5 1.35 1.8 -55 to 125°C Min. Max. 1.5 3.15 4.2 0.5 1.35 1.8 V 0.5 1.35 1.8 1.9 2.0 1.9 1.9 4.4 4.5 4.4 4.4 IO=-20 µA 5.9 6.0 5.9 5.9 IO=-6.0 mA 4.18 4.31 4.13 4.10 IO=-7.8 mA 5.68 5.8 5.63 5.60 Unit V V Low Level Output Voltage 2.0 IO=20 µA 0.0 0.1 0.1 0.1 4.5 IO=20 µA 0.0 0.1 0.1 0.1 ete 6.0 IO=20 µA 0.0 0.1 0.1 0.1 4.5 IO=6.0 mA 0.17 0.26 0.33 0.40 6.0 IO=7.8 mA 0.18 0.26 0.33 0.40 6.0 VI = VCC or GND ± 0.1 ±1 ±1 µA 6.0 VI = VIH or VIL VO = VCC or GND ± 0.5 ±5 ± 10 µA 6.0 VI = VCC or GND 4 40 80 µA l o s b O b O s ( t c u d o 6.0 II )- 2.0 4.5 Typ. so 6.0 VOL Value Pr Input Leakage Current High Impedance Output Leakage Current Quiescent Supply Current V 3/10 M74HC540 AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns) Test Condition Symbol Parameter tTLH tTHL Output Transition Time 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 tPLH tPHL Propagation Delay Time tPZL tPZH High Impedance Output Enable Time tPLZ tPHZ High Impedance Output Disable Time TA = 25°C CL (pF) VCC (V) Value Min. 50 50 150 50 RL = 1 KΩ 150 RL = 1 KΩ 50 RL = 1 KΩ CAPACITIVE CHARACTERISTICS Typ. Max. 25 7 6 40 10 9 56 14 12 47 13 11 61 17 14 52 15 13 60 12 10 85 17 14 115 23 20 110 22 19 135 27 23 110 22 19 s ( t c CIN o r P Input Capacitance e t e ol CPD s b O du Parameter Power Dissipation Capacitance (note 1) VCC (V) Min. Max. 75 19 13 105 21 18 145 29 25 140 28 24 170 34 29 140 28 24 Unit Max. 90 18 15 130 26 22 175 35 30 165 33 28 205 41 35 165 33 28 ns ns ) s ( ct u d o ns ns ns ns Value TA = 25°C Min. Min. let Test Condition Symbol -55 to 125°C r P e o s b O ) -40 to 85°C Typ. Max. 5.0 5 10 5.0 31 -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/8 (per gate) 4/10 M74HC540 TEST CIRCUIT ) s ( ct u d o TEST tPLH, tPHL tPZL, tPLZ e t e ol tPZH, tPHZ CL = 50pF/150pF or equivalent (includes jig and probe capacitance) R1 = 1KΩ or equivalent RT = ZOUT of pulse generator (typically 50Ω) Pr SWITCH Open VCC GND s b O WAVEFORM 1: PROPAGATION DELAY TIMES (f=1MHz; 50% duty cycle) ) (s t c u d o r P e t e l o s b O 5/10 M74HC540 WAVEFORM 2 : OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle) ) s ( ct u d o r P e t e l o ) (s t c u d o r P e t e l o s b O 6/10 s b O M74HC540 Plastic DIP-20 (0.25) MECHANICAL DATA mm. inch DIM. MIN. a1 0.254 B 1.39 TYP MAX. MIN. TYP. MAX. 0.010 1.65 0.055 0.065 b 0.45 0.018 b1 0.25 0.010 D ) s ( ct 25.4 E 8.5 e 2.54 e3 22.86 u d o 0.335 7.1 I 3.93 s ( t c 1.34 e t e ol bs O ) 3.3 Z Pr 0.100 F L 1.000 0.900 0.280 0.155 0.130 0.053 u d o r P e t e l o s b O P001J 7/10 M74HC540 SO-20 MECHANICAL DATA mm. inch DIM. MIN. TYP A MAX. MIN. TYP. a1 2.65 MAX. 0.1 0.104 0.2 a2 0.004 0.008 2.45 0.096 b 0.35 0.49 0.014 b1 0.23 0.32 0.009 C 0.5 0.019 ) s ( ct 0.012 0.020 c1 u d o 45° (typ.) D 12.60 13.00 0.496 E 10.00 10.65 0.393 e 1.27 e3 11.43 F 7.40 7.60 L 0.50 1.27 M ) (s S e t e ol s b O 0.75 Pr 0.512 0.419 0.050 0.450 0.291 0.300 0.020 0.050 0.029 8° (max.) t c u d o r P e t e l o s b O PO13L 8/10 M74HC540 TSSOP20 MECHANICAL DATA mm. inch DIM. MIN. TYP MAX. A 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 c 0.09 0.20 0.004 D 6.4 6.5 6.6 0.252 E 6.2 6.4 6.6 0.244 E1 4.3 4.4 4.48 1 e bs 0.65 BSC K 0° L 0.45 let o s b 0.60 s ( t c 0.75 du ro P e 0.0089 0.256 0.260 0.252 0.260 0.173 0.176 0.0256 BSC 0° 8° 0.018 0.024 0.030 u d o r P e A O ) 8° 0.012 t e l o 0.169 ) s ( ct A2 A1 b O K e L E c D E1 PIN 1 IDENTIFICATION 1 0087225C 9/10 M74HC540 ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O 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. © The ST logo is a registered trademark of STMicroelectronics © 2001 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom © http://www.st.com 10/10