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
Part Manufacturer Description Datasheet Samples
SN54LS290W-10 Texas Instruments LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, CDFP14
SN54LS290J-00 Texas Instruments LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, CDIP14, CERAMIC, DIP-14
SN54LS290W Texas Instruments LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, CDFP14
SN54LS290W-00 Texas Instruments LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, CDFP14
SN54LS290FK Texas Instruments LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, CQCC20
SN54LS290J Texas Instruments LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, CDIP14, CERAMIC, DIP-14
SN54LS290 's PackagesSN54LS290 's pdf datasheet
SN54LS290J
SN74LS290N
SN54LS293J
SN74LS293N
SN74LS293D
SN74LS290D




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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