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SN74ALS191DR

SN74ALS191DR

SN74ALS191DR

Texas Instruments

5V TTL DUAL Counters & Dividers 16 Pins POSITIVE EDGE SOIC

SOT-23

SN74ALS191DR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case SOIC
Surface MountYES
Pbfree Code no
Number of Terminations 16
Additional FeatureTCO OUTPUT
HTS Code8542.39.00.01
Subcategory Counters
Packing Method TAPE AND REEL
Technology TTL
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) NOT SPECIFIED
Number of Functions 1
Supply Voltage 5V
Terminal Pitch1.27mm
Reach Compliance Code not_compliant
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) 5.5V
Power Supplies5V
Temperature GradeCOMMERCIAL
Supply Voltage-Min (Vsup) 4.5V
Load Capacitance50pF
Number of Bits 4
Family ALS
Logic IC Type BINARY COUNTER
Max I(ol) 0.008 A
Trigger Type POSITIVE EDGE
Propagation Delay (tpd) 18 ns
Power Supply Current-Max (ICC) 22mA
fmax-Min 30 MHz
Count Direction BIDIRECTIONAL
Max Frequency@Nom-Sup 30000000Hz
Load/Preset Input YES
Mode of OperationSYNCHRONOUS
Length 9.9mm
Height Seated (Max) 1.75mm
Width 3.9mm
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:1725 items

SN74ALS191DR Product Details

SN74ALS191DR 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 total, there are 16pins on the component. Initially, it appears to belong to the ALS 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. The minimum supply voltage (Vsup) is 4.5V. Up to a maximum voltage of 5.5Vcan be supplied (Vsup). It is part of the Countersfamily of electronic components. It uses the logic IC type [0]. Temperatures above 70°Care usually the maximum operating temperatures.

SN74ALS191DR Features


Embedded in the SOIC package
TCO OUTPUT
BINARY COUNTER as logic IC type


SN74ALS191DR Applications


There are a lot of Texas Instruments
SN74ALS191DR 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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