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74LS90 Decade Counter

  • Image 1
Price:
$2.00
SKU:
COM-CB74LS90
Current Stock:
300
Quantity:


Product Description

Each of these monolithic counters contain four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter in a DIP-14 through hole package.

Electrical Characteristics

  • Supply voltage (VCC): 5 V
  • High Level Input Voltage (VIH): 2 V
  • High Level Input Current (IIH): 40 uA
  • Low Level Input Voltage (VIL): 0.8 V
  • Low Level Input Current (IIL): -0.4 mA
  • High Level Output Voltage (VOH): 3.4 V
  • High Level Output Current (IOH): -1.6 mA
  • Low Level Output Voltage (VOL): 0.4 V
  • Low Level Output Current (IOL): 16 mA
  • Operating free-air temperature: 70°C (max)

Pinout

74ls90-pinout.png

Truth table

 74ls90-truetable.jpg

 Datasheet


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