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MC14585B 데이터시트(PDF) 1 Page - ON Semiconductor |
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MC14585B 데이터시트(HTML) 1 Page - ON Semiconductor |
1 / 8 page © Semiconductor Components Industries, LLC, 2000 March, 2000 – Rev. 3 1 Publication Order Number: MC14585B/D MC14585B 4-Bit Magnitude Comparator The MC14585B 4–Bit Magnitude Comparator is constructed with complementary MOS (CMOS) enhancement mode devices. The circuit has eight comparing inputs (A3, B3, A2, B2, A1, B1, A0, B0), three cascading inputs (A < B, A = B, and A > B), and three outputs (A < B, A = B, and A > B). This device compares two 4–bit words (A and B) and determines whether they are “less than”, “equal to”, or “greater than” by a high level on the appropriate output. For words greater than 4–bits, units can be cascaded by connecting outputs (A > B), (A < B), and (A = B) to the corresponding inputs of the next significant comparator. Inputs (A < B), (A = B), and (A > B) on the least significant (first) comparator are connected to a low, a high, and a low, respectively. Applications include logic in CPU’s, correction and/or detection of instrumentation conditions, comparator in testers, converters, and controls. • Diode Protection on All Inputs • Expandable • Applicable to Binary or 8421–BCD Code • Supply Voltage Range = 3.0 Vdc to 18 Vdc • Capable of Driving Two Low–power TTL Loads or One Low–power Schottky TTL Load over the Rated Temperature Range • Can be Cascaded – See Fig. 3 MAXIMUM RATINGS (Voltages Referenced to VSS) (Note 2.) Symbol Parameter Value Unit VDD DC Supply Voltage Range – 0.5 to +18.0 V Vin, Vout Input or Output Voltage Range (DC or Transient) – 0.5 to VDD + 0.5 V Iin, Iout Input or Output Current (DC or Transient) per Pin ±10 mA PD Power Dissipation, per Package (Note 3.) 500 mW TA Ambient Temperature Range – 55 to +125 °C Tstg Storage Temperature Range – 65 to +150 °C TL Lead Temperature (8–Second Soldering) 260 °C 2. Maximum Ratings are those values beyond which damage to the device may occur. 3. Temperature Derating: Plastic “P and D/DW” Packages: – 7.0 mW/ _C From 65_C To 125_C This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high–impedance circuit. For proper operation, Vin and Vout should be constrained to the range VSS v (Vin or Vout) v VDD. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either VSS or VDD). Unused outputs must be left open. http://onsemi.com A = Assembly Location WL or L = Wafer Lot YY or Y = Year WW or W = Work Week Device Package Shipping ORDERING INFORMATION MC14585BCP PDIP–16 2000/Box MC14585BD SOIC–16 48/Rail MC14585BDR2 SOIC–16 2500/Tape & Reel 1. For ordering information on the EIAJ version of the SOIC packages, please contact your local ON Semiconductor representative. MARKING DIAGRAMS 1 16 PDIP–16 P SUFFIX CASE 648 MC14585BCP AWLYYWW SOIC–16 D SUFFIX CASE 751B 1 16 14585B AWLYWW SOEIAJ–16 F SUFFIX CASE 966 1 16 MC14585B AWLYWW MC14585BF SOEIAJ–16 See Note 1. |
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