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M54HC85 RAD HARD 4-BIT MAGNITUDE COMPARATOR s s s s s s s s s s s HIGH SPEED: tPD = 20 ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC =4A(MAX.) at TA=25C HIGH NOISE IMMUNITY: VNIH = VNIL = 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 54 SERIES 85 SPACE GRADE-1: ESA SCC QUALIFIED 50 krad QUALIFIED, 100 krad AVAILABLE ON REQUEST NO SEL UNDER HIGH LET HEAVY IONS IRRADIATION DEVICE FULLY COMPLIANT WITH SCC-9209-004 DILC-16 FPC-16 ORDER CODES PACKAGE DILC FPC FM M54HC85D M54HC85K EM M54HC85D1 M54HC85K1 DESCRIPTION The M54HC85 is an high speed CMOS 4-BIT MAGNITUDE COMPARATOR fabricated with silicon gate C2MOS technology. This comparator compares two 4-bit words and provides an high voltage level on one of the A>B out, A=B out and APIN CONNECTION June 2004 Rev. 1 1/10 M54HC85 Figure 1: IEC Logic Symbols Figure 2: Input And Output Equivalent Circuit Table 1: Pin Description PIN N 2 3 4 5 6 7 9, 11, 14, 1 10, 12, 13, 15 8 16 SYMBOL INAB OUTA>B OUTA=B OUTAB Expansion Input A>B Expansion Output A=B Expansion Output ATable 2: Truth Table CASCADING INPUTS COMPARING INPUTS A>B A3 > B3 A3 = B3 A3 = B3 A3 = B3 X A2 > B2 A2 = B2 A2 = B2 X X A1 > B1 A1 = B1 X X X A0 > B0 X X X X L X L H H X X X X AB H H H H H L L H L L L L L AA3 = B3 A2 = B2 A1 = B1 A0 = B0 A3 = B3 A3 = B3 A3 = B3 A3 < B3 X : Don't Care A2 = B2 A2 = B2 A2 < B2 X A1 = B1 A1 > B1 X X A0 < B0 X X X 2/10 M54HC85 Figure 3: Logic Diagram This logic diagram has not be used to estimate propagation delays Table 3: Absolute Maximum Ratings Symbol VCC VI VO IIK IOK IO PD Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Current Power Dissipation Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +7 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 20 20 25 50 300 -65 to +150 265 Unit V V V mA mA mA mA mW 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 Table 4: Recommended Operating Conditions Symbol VCC VI VO Top tr, tf Supply Voltage Input Voltage Output Voltage Operating Temperature Input Rise and Fall Time VCC = 2.0V VCC = 4.5V VCC = 6.0V Parameter Value 2 to 6 0 to VCC 0 to VCC -55 to 125 0 to 1000 0 to 500 0 to 400 Unit V V V C ns ns ns 3/10 M54HC85 Table 5: DC Specifications Test Condition Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 VOL Low Level Output Voltage 2.0 4.5 6.0 4.5 6.0 II ICC Input Leakage Current Quiescent Supply Current 6.0 6.0 IO=-20 A IO=-20 A IO=-20 A IO=-4.0 mA IO=-5.2 mA IO=20 A IO=20 A IO=20 A IO=4.0 mA IO=5.2 mA VI = VCC or GND VI = VCC or GND TA = 25C Min. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.18 5.68 2.0 4.5 6.0 4.31 5.8 0.0 0.0 0.0 0.17 0.18 0.1 0.1 0.1 0.26 0.26 0.1 4 1.9 4.4 5.9 4.13 5.63 0.1 0.1 0.1 0.33 0.33 1 40 Typ. Max. Value -40 to 85C Min. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.10 5.60 0.1 0.1 0.1 0.40 0.40 1 80 A A V V Max. -55 to 125C Min. 1.5 3.15 4.2 0.5 1.35 1.8 Max. V Unit VIH High Level Input Voltage Low Level Input Voltage High Level Output Voltage VIL V VOH Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr = tf = 6ns) Test Condition Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 TA = 25C Min. Typ. 30 8 7 96 24 20 48 12 10 Max. 75 15 13 185 37 31 95 19 16 Value -40 to 85C Min. Max. 95 19 16 230 46 39 120 24 20 -55 to 125C Min. Max. 110 22 19 280 56 48 145 29 25 ns Unit tTLH tTHL Output Transition Time tPLH tPHL Propagation Delay Time (A, B-OUT) tPLH tPHL Propagation Delay Time (CASCADE-OUT) ns ns 4/10 M54HC85 Table 7: Capacitive Characteristics Test Condition Symbol Parameter VCC (V) 5.0 5.0 TA = 25C Min. Typ. 5 23 Max. 10 Value -40 to 85C Min. Max. 10 -55 to 125C Min. Max. 10 pF pF Unit CIN CPD Input Capacitance Power Dissipation Capacitance (note 1) 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 Figure 4: Test Circuit CL = 50pF or equivalent (includes jig and probe capacitance) RT = ZOUT of pulse generator (typically 50) 5/10 M54HC85 Figure 5: Waveform - Propagation Delay Time (f=1MHz; 50% duty cycle) 6/10 M54HC85 DILC-16 MECHANICAL DATA mm. DIM. MIN. A a1 a2 B b b1 D E e e1 e2 F I K L 10.90 1.14 17.65 7.62 7.29 2.1 3.00 0.63 1.82 0.40 0.20 20.06 7.36 0.45 0.254 20.32 7.62 2.54 17.78 7.87 7.49 17.90 8.12 7.70 3.83 12.1 1.5 0.429 0.045 0.695 0.300 0.287 0.88 TYP MAX. 2.71 3.70 1.14 2.39 0.50 0.30 20.58 7.87 MIN. 0.083 0.118 0.025 0.072 0.016 0.008 0.790 0.290 0.018 0.010 0.800 0.300 0.100 0.700 0.310 0.295 0.705 0.320 0.303 0.151 0.476 0.059 0.035 TYP. MAX. 0.107 0.146 0.045 0.094 0.020 0.012 0.810 0.310 inch 0056437F 7/10 M54HC85 FPC-16 MECHANICAL DATA mm. DIM. MIN. A B C D E F G H L M N 0.38 6.0 18.75 0.33 0.38 4.31 22.0 0.43 6.75 9.76 1.49 0.102 8.76 0.127 8.89 1.27 0.43 0.48 0.015 0.237 0.738 0.013 0.015 0.170 0.867 0.017 TYP 6.91 9.94 MAX. 7.06 10.14 1.95 0.152 9.01 MIN. 0.266 0.384 0.059 0.004 0.345 0.005 0.350 0.050 0.017 0.019 TYP. 0.272 0.392 MAX. 0.278 0.399 0.077 0.006 0.355 inch F G D H 16 9 A N L 1 8 H E M C B 0016030E 8/10 M54HC85 Table 8: Revision History Date 01-Jun-2004 Revision 1 First Release Description of Changes 9/10 M54HC85 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 All other names are the property of their respective owners (c) 2004 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com 10/10 |
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