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MC14029BD Arkusz danych(PDF) 1 Page - Motorola, Inc |
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MC14029BD Arkusz danych(HTML) 1 Page - Motorola, Inc |
1 / 8 page MOTOROLA CMOS LOGIC DATA MC14029B 120 Binary/Decade Up/Down Counter The MC14029B Binary/Decade up/down counter is constructed with MOS P–channel and N–channel enhancement mode devices in a single monolithic structure. The counter consists of type D flip–flop stages with a gating structure to provide toggle flip–flop capability. The counter can be used in either Binary or BCD operation. This complementary MOS counter finds primary use in up/down and difference counting and frequency synthesizer applications where low power dissipation and/or high noise immunity is desired. It is also useful in A/D and D/A conversion and for magnitude and sign generation. • Diode Protection on All Inputs • Supply Voltage Range = 3.0 Vdc to 18 Vdc • Internally Synchronous for High Speed • Logic Edge–Clocked Design — Count Occurs on Positive Going Edge of Clock • Asynchronous Preset Enable Operation • Capable of Driving Two Low–power TTL Loads or One Low–power Schottky TTL Load Over the Rated Temperature Range • Pin for Pin Replacement for CD4029B MAXIMUM RATINGS* (Voltages Referenced to VSS) Symbol Parameter Value Unit VDD DC Supply Voltage – 0.5 to + 18.0 V Vin, Vout Input or Output Voltage (DC or Transient) – 0.5 to VDD + 0.5 V lin, lout Input or Output Current (DC or Transient), per Pin ± 10 mA PD Power Dissipation, per Package† 500 mW Tstg Storage Temperature – 65 to + 150 _C TL Lead Temperature (8–Second Soldering) 260 _C * 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 TRUTH TABLE Carry In Up/Down Preset Enable Action 1 X 0 No Count 0 1 0 Count Up 0 0 0 Count Down X X 1 Preset X = Don’t Care MOTOROLA SEMICONDUCTOR TECHNICAL DATA © Motorola, Inc. 1995 REV 3 1/94 MC14029B L SUFFIX CERAMIC CASE 620 ORDERING INFORMATION MC14XXXBCP Plastic MC14XXXBCL Ceramic MC14XXXBD SOIC TA = – 55° to 125°C for all packages. P SUFFIX PLASTIC CASE 648 D SUFFIX SOIC CASE 751B 13 14 15 16 9 10 11 12 5 4 3 2 1 8 7 6 P1 P2 Q2 CLK VDD B/D U/D Q1 P0 P3 Q3 PE VSS Cout Q0 Cin PIN ASSIGNMENT |
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