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SN74LS191NSRE4

SN74LS191NSRE4

SN74LS191NSRE4

Texas Instruments

1 Element 5V TTL DUAL Counters & Dividers 16 Pins Bidirectional SOIC

SOT-23

SN74LS191NSRE4 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Package / Case SOIC
Number of Pins 16
Weight 200.686274mg
PackagingTape & Reel (TR)
JESD-609 Code e4
Pbfree Code no
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 16
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature70°C
Min Operating Temperature 0°C
Additional FeatureTCO OUTPUT
Packing Method TAPE AND REEL
Technology TTL
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Frequency 25MHz
Pin Count16
Operating Supply Voltage5.25V
Number of Elements 1
Power Supplies5V
Temperature GradeCOMMERCIAL
Number of Bits 4
Family LS
Logic Function Counter
Direction Bidirectional
Max I(ol) 0.008 A
Propagation Delay (tpd) 36 ns
Sync/Async Synchronous
Power Supply Current-Max (ICC) 35mA
fmax-Min 20 MHz
Clock Edge Trigger Type Positive Edge
Load/Preset Input YES
Height Seated (Max) 2mm
Width 5.3mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead Free Contains Lead
In-Stock:1980 items

SN74LS191NSRE4 Product Details

SN74LS191NSRE4 Overview


This device is supplied in the SOIC package. It is configured using 16terminations. Having a supply voltage of 5V enables to operate in a fully flexible manner. In this diagram, there are 1elements that are interconnected by wires. In total, there are 16pins on the component. In this case, it is packaged as Tape & Reel (TR). Circuit components are connected by 16pins. It is mounted using the way of [0]. Initially, it appears to belong to the LS family. There is information in the device in the form of 4bits. As far as Pbfree code is concerned, the result may be no. An important feature of this electronic device is [0]. Temperature grade COMMERCIALhas been selected for this device. The packing of the product is carried out by [0]. As a result of the voltage source, there is 5V voltage. In order for it to operate, it requires a supply voltage of 5.25V . Long-term operation at 70°Cwith acceptable electrical stability is possible. It operates over a specified temperature range with a lower limit generally set to 0°C. There is 25MHz frequency associated with it.

SN74LS191NSRE4 Features


Embedded in the SOIC package
TCO OUTPUT
Operating supply voltage of 5.25V
Frequency of 25MHz


SN74LS191NSRE4 Applications


There are a lot of Texas Instruments
SN74LS191NSRE4 Counters & Dividers applications.


  • Time-delay circuits
  • Analog multiplexing and demultiplexing
  • Digital multiplexing and demultiplexing
  • Signal gating
  • 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

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