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SN74LS191NS

SN74LS191NS

SN74LS191NS

Texas Instruments

5V DUAL Counters & Dividers 16 Pins POSITIVE EDGE SOP

SOT-23

SN74LS191NS Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case SOP
Surface MountYES
JESD-609 Code e4
Pbfree Code yes
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 16
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Additional FeatureTCO OUTPUT
Packing Method TR
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Terminal Pitch1.27mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Pin Count16
JESD-30 Code R-PDSO-G16
Qualification StatusNot Qualified
Operating Temperature (Max) 70°C
Supply Voltage-Max (Vsup) 5.25V
Power Supplies5V
Temperature GradeCOMMERCIAL
Load Capacitance15pF
Number of Bits 4
Family LS
Logic Function Counter
Max I(ol) 0.016 A
Prop. Delay@Nom-Sup 52 ns
Trigger Type POSITIVE EDGE
Propagation Delay (tpd) 36 ns
Power Supply Current-Max (ICC) 105mA
fmax-Min 20 MHz
Count Direction BIDIRECTIONAL
Max Frequency@Nom-Sup 20000000Hz
Load/Preset Input YES
Mode of OperationSYNCHRONOUS
Length 10.3mm
Height Seated (Max) 2mm
Width 5.3mm
RoHS StatusRoHS Compliant
Lead Free Contains Lead
In-Stock:3659 items

SN74LS191NS Product Details

SN74LS191NS Overview


This device is supplied in the SOP package. It is configured using 16terminations. Having a supply voltage of 5V enables to operate in a fully flexible manner. In total, there are 16pins on the component. 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 yes. 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. Up to a maximum voltage of 5.25Vcan be supplied (Vsup). Temperatures above 70°Care usually the maximum operating temperatures.

SN74LS191NS Features


Embedded in the SOP package
TCO OUTPUT


SN74LS191NS Applications


There are a lot of Texas Instruments
SN74LS191NS 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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