Datenblatt-Suchmaschine für elektronische Bauteile |
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HCF4510B Datenblatt(PDF) 1 Page - STMicroelectronics |
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HCF4510B Datenblatt(HTML) 1 Page - STMicroelectronics |
1 / 12 page HCF4510B HCF4516B PRESETTABLE UP/DOWN COUNTERS March 2000 s MEDIUM SPEED OPERATION fCL = 8MHz TYP. AT 10V s SYNCHRONOUS INTERNAL CARRY PROPAGATION s RESET AND PRESET CAPABILITY s QUIESCENT CURRENT SPECIFIED TO 15V s 5V, 10V, AND 15V PARAMETRIC RATINGS s INPUT CURRENT OF 100nAAT 15V AND 25 °C s 100% TESTED FOR QUIESCENT CURRENT MEETS ALL REQUIREMENTS OF JEDEC TENTATIVE STANDARD No. 13A, ”STANDARD SPECIFICATIONS FOR DESCRIPTION OF ”B” SERIES CMOS DEVICES” DESCRIPTION The HCF4510B and HCF4516B are monolithic integrated circuits available in 16-lead dual in-line plastic and plastic micro package. The HCF4510B Presettable BCD Up/Down Counter and the HCF4516B Presettable Binary Up/Down Counter consist of four synchronously clocked D-type flip-flops (with a gating structure to provide T-type flip-flop capability) connected as counters. These counters can be cleared by a high level on the RESET line, and can be preset to any binary number present on the jam inputs by a high level on the PRESET ENABLE line. The HCF4510B will count out of non-BCD counter states in a maximum of two clock pulses in the up mode, and a maximum of four clock pulses in the down mode. If the CARRY-IN input is held low, the counter advances up or down on each positive-going clock transition. Synchronous cascading is accomplished by connecting all clock inputs in parallel and connecting the CARRY-OUT of a less significant stage to the CARRY-IN of a more significant stage. The HCF4510B and HCF4516B can be loaded in the ripple mode by connecting the CARRY-OUT to the clock of the next stage. If the UP/DOWN input changes during a terminal count, the CARRY-OUT must be gated with the clock, and the UP/DOWN input must change while the clock is high. This method provides a clean clock signal to the subsequent counting stage. PIN CONNECTION ® SOP DIP ORDER CODES PACKAGE TUBE T & R DIP HCF45XXBEY SOP HCF45XXBM1 HCF45XXM013TR 1/12 |
Ähnliche Teilenummer - HCF4510B |
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Ähnliche Beschreibung - HCF4510B |
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