Presettable Up/down Counters

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 By STMicroelectronics
HCF4510B 's PackagesHCF4510B 's pdf datasheet
HCF4516B




HCF4510B Pinout, Pinouts
HCF4510B pinout,Pin out
This is one package pinout of HCF4510B,If you need more pinouts please download HCF4510B's pdf datasheet.

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