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  • 74HCT688D,652

74HCT688D,652

20-SOIC (0.295, 7.50mm Width) 5V V 20 Comparators 8 Active Low


  • Manufacturer: NXP USA Inc.
  • Origchip NO: 568-74HCT688D,652
  • Package: 20-SOIC (0.295, 7.50mm Width)
  • Datasheet: PDF
  • Stock: 397
  • Description: 20-SOIC (0.295, 7.50mm Width) 5V V 20 Comparators 8 Active Low (Kg)

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Details

Tags

Parameters
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295, 7.50mm Width)
Surface Mount YES
Operating Temperature -40°C~125°C
Packaging Tube
Published 1997
Series 74HCT
JESD-609 Code e4
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
ECCN Code EAR99
Type Identity Comparator
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Additional Feature CASCADABLE
Subcategory Arithmetic Circuits
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Terminal Pitch 1.27mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number 74HCT688
Output Active Low
Pin Count 20
JESD-30 Code R-PDSO-G20
Qualification Status Not Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies 5V
Supply Voltage-Min (Vsup) 4.5V
Load Capacitance 50pF
Number of Bits 8
Family HCT
Current - Quiescent (Iq) 8μA
Current - Output High, Low 4mA 4mA
Max Propagation Delay @ V, Max CL 34ns @ 4.5V, 50pF
Propagation Delay (tpd) 51 ns
Output Function A=B
Height Seated (Max) 2.65mm
Width 7.5mm
RoHS Status ROHS3 Compliant

74HCT688D,652 Overview


Tube's materials went into the packaging.Because of its low package cost, the 20-SOIC (0.295, 7.50mm Width) is well known in the electronic industry.A 8 Bit electronic part is used to design this part.There is no doubt that the 74HCT Series is an excellent value for the money due to its performance-cost ratio.Surface Mount is used to mount this electronic part.There is an output Active Low for this electrical device.In order to ensure the normal functioning of the device, a 4.5V~5.5V Supply Voltage is provided.To ensure its reliability, it operates at Operating Temperature -40°C~125°C.Applications for the Identity Comparator Type are standard grade.Featuring a variety of output currents, 4mA 4mA allows for maximum design flexibility.An example of a 20 termination would be one in which the characteristic impedance of the transmission line is matched to the device terminating the transmission line.The device is equipped with 1 functions.The related parts can be found based on the Base Part Number.5V is the supply voltage.The 20 Pin Count feature is included.There is an electronic device in this family called HCT.Comparator is located in Arithmetic Circuits Subcategory.A 5V power supply is used to operate it.The maximal Supply Voltage (Vsup) reaches 5.5V.There should be a difference between Vsup and 4.5V in the supply voltage.For instance, CASCADABLE was added.

74HCT688D,652 Features


20-SOIC (0.295, 7.50mm Width) package
8 Bits
74HCT series
20 terminations
1 Functions
20 pin count
5V power supplies

74HCT688D,652 Applications


There are a lot of NXP USA Inc. 74HCT688D,652 applications of comparators.

  • Process contollenr
  • Companion Appliceation Nole, ICAN-6374, "Application of the CMOS CD4059A Programmable Divide-by-N Counter in FM and Ctizens Band Transceiver Digital Tuners"
  • Communications digltal frequency synthesizers: VHF, UHF, FM, AM, etc.
  • Fixed or programmable irequency division
  • Servo motor controls
  • Servo Motor Controls
  • “Time out" timer for consume-appication industrial controls