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SN74LS691DW

SN74LS691DW

SN74LS691DW

Texas Instruments

5V TTL DUAL Counters & Dividers POSITIVE EDGE SOIC

SOT-23

SN74LS691DW Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case SOIC
Surface MountYES
Pbfree Code no
Number of Terminations 20
Additional FeatureREGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS
HTS Code8542.39.00.01
Subcategory Counters
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
JESD-30 Code R-PDSO-G20
Qualification StatusNot Qualified
Operating Temperature (Max) 70°C
Supply Voltage-Max (Vsup) 5.25V
Temperature GradeCOMMERCIAL
Supply Voltage-Min (Vsup) 4.75V
Load Capacitance45pF
Number of Bits 4
Family LS
Output Characteristics 3-STATE
Logic IC Type BINARY COUNTER
Trigger Type POSITIVE EDGE
Propagation Delay (tpd) 25 ns
Power Supply Current-Max (ICC) 70mA
Count Direction UP
Load/Preset Input YES
Mode of OperationSYNCHRONOUS
Length 12.8mm
Height Seated (Max) 2.65mm
Width 7.5mm
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:1498 items

SN74LS691DW Product Details

SN74LS691DW Overview


The device is packaged in the SOICtype. This configuration uses 20terminations. By supplying 5Vwith a voltage of 5V , the device can be operated in a completely flexible manner. In this case, it belongs to the family of [0]. As far as the device is concerned, there are 4bits of information. Based on the Pbfree code, the result may be no. It is important to note that REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTSare really important features of this electronic device. In this device, the temperature grade is COMMERCIAL. As low as 4.75V Vsup is the minimum supply voltage. It is possible to provide a voltage up to 5.25V (Vsup). Countersis the family name of the electronic part. BINARY COUNTER indicates the type of logic IC it uses. A temperature of 70°Cis usually set as the maximum operating temperature.

SN74LS691DW Features


Embedded in the SOIC package
REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS
BINARY COUNTER as logic IC type


SN74LS691DW Applications


There are a lot of Texas Instruments
SN74LS691DW Counters & Dividers applications.


  • 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
  • Timing applications

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