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SN74LS90-W

SN74LS90-W

SN74LS90-W

Texas Instruments

5V TTL UPPER Counters & Dividers NEGATIVE EDGE

SOT-23

SN74LS90-W Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Surface MountYES
Pbfree Code no
Technology TTL
Terminal Position UPPER
Terminal FormNO LEAD
Number of Functions 2
Supply Voltage 5V
JESD-30 Code X-XUUC-N
Operating Temperature (Max) 70°C
Supply Voltage-Max (Vsup) 5.25V
Temperature GradeCOMMERCIAL
Number of Bits 4
Family LS
Logic IC Type DECADE COUNTER
Trigger Type NEGATIVE EDGE
Propagation Delay (tpd) 50 ns
fmax-Min 32 MHz
Count Direction UP
Load/Preset Input YES
Mode of OperationASYNCHRONOUS
In-Stock:4880 items

SN74LS90-W Product Details

SN74LS90-W Overview


The supply voltage of 5V permits it to operate with full flexibility. The LSfamily is derived from it. In the device, the information consists of 4 bits. The result may be nowhen expressing the result in Pbfree code. It is manufactured in the temperature grade COMMERCIAL. It is possible to reach a maximum supply voltage of 5.25VV (Vsup). The logic IC type is [0]. As a general rule, the maximum operating temperature is set to 70°C.

SN74LS90-W Features


DECADE COUNTER as logic IC type


SN74LS90-W Applications


There are a lot of Texas Instruments
SN74LS90-W Counters & Dividers applications.


  • Frequency dividing circuits
  • Time delay circuits
  • Communications Digital Frequency Synthesizers;
  • VHF, UHF, FM, AM, etc.
  • Fixed or Programmable Frequency Division
  • Time Out Timer for Consumer-Application Industrial Controls
  • Timing applications
  • Clocks
  • Up Counters
  • Dual Up Counters

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