M74HC147RM13TR

M74HC147 10 TO 4 LINE PRIORITY ENCODER ■ ■ ■ ■ ■ ■ ■ HIGH SPEED: tPD = 15ns (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 = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 147 DIP TSSOP ORDER CODES DESCRIPTION The M74HC147 is an high speed CMOS 10 TO 4 LINE PRIORITY ENCODER fabricated with silicon gate C2MOS technology. This device features priority encoding of the inputs to ensure that only the highest order data line is encoded. Nine input lines are encoded to a four line BCD output. The implied decimal zero ) s ( ct SOP PACKAGE TUBE DIP SOP TSSOP M74HC147B1R M74HC147M1R ) s t( T&R o r P c u d M74HC147RM13TR M74HC147TTR condition requires no input condition as zero is encoded when all nine data lines are at high logic level. All data inputs and outputs are active at the low logic level. All inputs are equipped with protection circuits against static discharge and transient excess voltage. e t le o s b O - u d o r P e t e l o PIN CONNECTION AND IEC LOGIC SYMBOLS s b O July 2001 1/10 M74HC147 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL 9, 7, 6, 14 A to D 11, 12, 13, 1, 2, 3, 4, 5, 10 15 8 16 1 to 9 NC GND VCC NAME AND FUNCTION BCD Address Outputs (Active Low) Decimal Data Inputs (Active Low) Not Connected Ground (0V) Positive Supply Voltage TRUTH TABLE INPUTS OUTPUTS ) s t( 1 2 3 4 5 6 7 8 9 D C B A H X X X X X X X X L H X X X X X X X L H H X X X X X X L H H H X X X X X L H H H H X X X X L H H H H H X X X L H H H H H H X X L H H H H H H H X L H H H H H H H H L H H H H H H H H H L L H H H H H H H H H H L L L L H H H H H H L L H H L L H H L H L H L H L H L X : Don’t Care LOGIC DIAGRAM ) s ( ct o s b O - u d o r P e t e l o s b O This logic diagram has not be used to estimate propagation delays 2/10 e t le o r P c u d M74HC147 ABSOLUTE MAXIMUM RATINGS Symbol VCC Parameter Value Supply Voltage 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 ± 25 mA ± 50 mA VI DC Input Voltage VO DC Output Voltage IIK ICC or IGND DC VCC or Ground Current PD Power Dissipation Tstg Storage Temperature TL Lead Temperature (10 sec) V 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 c u d Parameter Value Supply Voltage VI Input Voltage VO Output Voltage Top Operating Temperature ) s ( ct 2 to 6 V 0 to VCC V o r P 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 so tr, tf Unit 0 to VCC e t le Input Rise and Fall Time ) s t( b O - u d o r P e t e l o s b O 3/10 M74HC147 DC SPECIFICATIONS Test Condition Symbol VIH Parameter High Level Output Voltage VOL Low Level Output Voltage II Input Leakage Current Quiescent Supply Current ICC Min. 2.0 4.5 6.0 2.0 4.5 6.0 Low Level Input Voltage VOH TA = 25°C VCC (V) High Level Input Voltage VIL s b O 4/10 Max. -40 to 85°C -55 to 125°C Min. Min. Max. 1.5 3.15 4.2 0.5 1.35 1.8 0.5 1.35 1.8 IO=-20 µA 1.9 2.0 1.9 1.9 IO=-20 µA 4.4 4.5 4.4 4.4 6.0 IO=-20 µA 5.9 6.0 5.9 5.9 4.5 IO=-4.0 mA 4.18 4.31 4.13 4.10 5.68 6.0 IO=-5.2 mA 2.0 IO=20 µA 0.0 0.1 0.1 4.5 IO=20 µA 0.0 0.1 0.1 6.0 IO=20 µA 0.0 0.1 4.5 IO=4.0 mA 0.17 0.26 6.0 IO=5.2 mA 0.18 0.26 6.0 VI = VCC or GND 6.0 VI = VCC or GND 5.63 e t le ± 0.1 b O - so 4 Max. V 0.5 1.35 1.8 4.5 5.8 Unit 1.5 3.15 4.2 2.0 u d o r P e Typ. 1.5 3.15 4.2 ) s ( ct t e l o Value 5.60 uc V V ) s t( 0.1 0.1 od 0.33 0.40 0.33 0.40 ±1 ±1 µA 40 80 µA 0.1 Pr 0.1 V M74HC147 AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns) Test Condition Symbol Parameter TA = 25°C VCC (V) tTLH tTHL Output Transition Time tPLH tPHL Propagation Delay Time Value Min. 2.0 4.5 6.0 2.0 4.5 6.0 Typ. Max. 30 8 7 60 18 15 75 15 13 125 30 26 -40 to 85°C -55 to 125°C Min. Min. Max. 95 19 16 190 38 32 Unit Max. 110 22 19 225 45 38 ns ns CAPACITIVE CHARACTERISTICS Test Condition Symbol Parameter Value TA = 25°C VCC (V) Min. Typ. Max. 10 CIN Input Capacitance 5.0 5 CPD Power Dissipation Capacitance (note 1) 5.0 24 ) s t( -40 to 85°C -55 to 125°C Min. Min. Max. uc 10 d o r Unit Max. 10 pF pF P e let 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 TEST CIRCUIT ) s ( ct o s b O - u d o r P e t e l o s b O CL = 50pF or equivalent (includes jig and probe capacitance) RT = ZOUT of pulse generator (typically 50Ω) 5/10 M74HC147 WAVEFORM 1: PROPAGATION DELAY TIMES (f=1MHz; 50% duty cycle) c u d e t le ) s ( ct u d o r P e t e l o s b O 6/10 o s b O - o r P ) s t( M74HC147 Plastic DIP-16 (0.25) MECHANICAL DATA mm. inch DIM. MIN. a1 0.51 B 0.77 TYP MAX. MIN. TYP. MAX. 0.020 1.65 0.030 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 17.78 0.700 F 7.1 I 5.1 L c u d e t le 3.3 Z 1.27 ) s ( ct o s b O - o r P ) s t( 0.280 0.201 0.130 0.050 u d o r P e t e l o s b O P001C 7/10 M74HC147 SO-16 MECHANICAL DATA mm. DIM. MIN. TYP A inch MAX. MIN. TYP. a1 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 9.8 10 0.385 0.393 E 5.8 6.2 0.228 ) s t( 0.244 e 1.27 0.050 e3 8.89 0.350 F 3.8 4.0 0.149 G 4.6 5.3 0.181 L 0.5 1.27 0.019 M e t le 0.62 S 8° (max.) ) s ( ct o r P c u d 0.157 0.208 0.050 0.024 o s b O - u d o r P e t e l o s b O PO13H 8/10 M74HC147 TSSOP16 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 E 6.2 6.4 6.6 0.244 0.252 E1 4.3 4.4 4.48 0.169 0.173 1 e c u d 0.65 BSC K 0° L 0.45 0.60 A1 ) s ( ct u d o b r P e t e l o e o r P 0.260 0.176 0.0256 BSC e t le 8° A2 A ) s t( 0.201 0° 0.75 o s b O - 0.018 K c 8° 0.024 0.030 L E D s b O E1 PIN 1 IDENTIFICATION 1 0080338D 9/10 M74HC147 c u d e t le ) s ( ct ) s t( o r P o s b O - 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