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MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC14582B Look-Ahead Carry Block The MC14582B is a CMOS look­ahead carry generator capable of anticipating a carry across four binary adders or groups of adders. The device is cascadable to perform full look­ahead across n­bit adders. Carry, generate­carry, and propagate­carry functions are provided as enumerated in the pin designation table shown below. · · · · · · Expandable to any Number of Bits All Buffered Outputs Low Power Dissipation Diode Protection on All Inputs Supply Voltage Range = 3.0 Vdc to 18 Vdc Capable of Driving Two Low­power TTL Loads or One Low­Power Schottky TTL Load over the Rated Temperature Range L SUFFIX CERAMIC CASE 620 P SUFFIX PLASTIC CASE 648 D SUFFIX SOIC CASE 751B ООООООООООООООООООООО ООООООООООООООООООООО ООООООООООООООООООООО MAXIMUM RATINGS* (Voltages Referenced to VSS) Symbol VDD Parameter DC Supply Voltage Value Unit V V mA ­ 0.5 to + 18.0 Vin, Vout Iin, Iout PD Tstg TL Input or Output Voltage (DC or Transient) Input or Output Current (DC or Transient), per Pin Power Dissipation, per Package Storage Temperature Lead Temperature (8­Second Soldering) ­ 0.5 to VDD + 0.5 ± 10 500 ­ 65 to + 150 260 mW ORDERING INFORMATION MC14XXXBCP MC14XXXBCL MC14XXXBD Plastic Ceramic SOIC TA = ­ 55° to 125°C for all packages. PIN ASSIGNMENT _C _C G1 P1 G0 P0 G3 P3 P VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VDD P2 G2 Cin Cn+x Cn+y G Cn+z * Maximum Ratings are those values beyond which damage to the device may occur. Temperature Derating: Plastic "P and D/DW" Packages: ­ 7.0 mW/_C From 65_C To 125_C Ceramic "L" Packages: ­ 12 mW/_C From 100_C To 125_C LOGIC EQUATIONS Cn+x = G0 + (P0 Cn) Cn+y = G1 + (P1 G0) + (P1 P0 Cn) Cn+z = G2 + (P2 G1) + (P2 P1 G0) + (P2 P1 P0 Cn) G = G3 + (P3 G2) + (P3 P2 G1) + (P1 P2 P3 G0) P = P3 P2 P1 P0 PIN DESIGNATIONS Designation G0, G1, G2, G3 P0, P1, P2, P3 Cn Cn+x, Cn+y Cn+z G P Pin No's 3, 1, 14, 5 4, 2, 15, 6 13 12, 11, 9 10 7 Function Active­Low Carry­Generate Inputs Active­Low Carry­Propagate Inputs Carry Input Carry Outputs Active­Low Group Carry­Generate Output Active­Low Group Carry­Propagate Output REV 3 1/94 ©MOTOROLA CMOS LOGIC DATA Motorola, Inc. 1995 MC14582B 1 ОООООООООООООООООООООООООООООООООО ОООООООООООООООООООООООООООООООООО ОООООООООООООООООООООООООООООООООО ОООООООООООООООООООООООООООООООООО ELECTRICAL CHARACTERISTICS (Voltages Referenced to VSS) Characteristic Symbol VOL VDD Vdc 5.0 10 15 5.0 10 15 5.0 10 15 VIH 5.0 10 15 IOH Source 5.0 5.0 10 15 IOL 5.0 10 15 15 -- 5.0 10 15 5.0 10 15 ­ 3.0 ­ 0.64 ­ 1.6 ­ 4.2 0.64 1.6 4.2 -- -- -- -- -- -- -- -- -- -- -- -- ± 0.1 -- 5.0 10 20 ­ 2.4 ­ 0.51 ­ 1.3 ­ 3.4 0.51 1.3 3.4 -- -- -- -- -- ­ 4.2 ­ 0.88 ­ 2.25 ­ 8.8 0.88 2.25 8.8 ± 0.00001 5.0 0.005 0.010 0.015 -- -- -- -- -- -- -- ± 0.1 7.5 5.0 10 20 ­ 1.7 ­ 0.36 ­ 0.9 ­ 2.4 0.36 0.9 2.4 -- -- -- -- -- -- -- -- -- -- -- -- ± 1.0 -- 150 300 600 mAdc 3.5 7.0 11 -- -- -- 3.5 7.0 11 2.75 5.50 8.25 -- -- -- 3.5 7.0 11 -- -- --