Decade Counter; 4-bit Binary Counter , Inc

The SN54/74LS290 and SN54/74LS293 are high-speed 4-bit ripple type Counters partitioned into two sections. Each Counter has a divide-by-two sec- tion and either a divide-by-five (LS290) or divide-by-eight (LS293) section which are triggered by a HIGH-to-LOW transition on the Clock inputs. Each section CAN be used separately or tied together (Q to CP)to form BCD, Bi-quinary, or Modulo-16 Counters Both of the Counters have a 2-input gated Master Reset (Clear), and the LS290 also has a 2-input gated Master Set (Preset 9). By Freescale Semiconductor, Inc
SN54LS290 's PackagesSN54LS290 's pdf datasheet

SN54LS290 Pinout, Pinouts
SN54LS290 pinout,Pin out
This is one package pinout of SN54LS290,If you need more pinouts please download SN54LS290's pdf datasheet.

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