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SN74HC688DWE4

SN74HC688DWE4

SN74HC688DWE4

Texas Instruments

SOIC 5V V 20 Comparators 265 ns ns 20 5V V 8

SOT-23

SN74HC688DWE4 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Package / Case SOIC
Number of Pins 20
Weight 500.709277mg
PackagingRail/Tube
JESD-609 Code e4
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature85°C
Min Operating Temperature -40°C
Additional FeatureCASCADABLE
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Terminal Pitch1.27mm
Pin Count20
Operating Supply Voltage5V
Polarity Inverting
Temperature GradeINDUSTRIAL
Max Supply Voltage6V
Min Supply Voltage2V
Number of Bits 8
Propagation Delay265 ns
Quiescent Current8μA
Turn On Delay Time36 ns
Family HC/UH
Logic IC Type IDENTITY COMPARATOR
High Level Output Current-5.2mA
Low Level Output Current5.2mA
Height Seated (Max) 2.65mm
Width 7.5mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead Free Lead Free
In-Stock:4550 items

SN74HC688DWE4 Product Details

SN74HC688DWE4 Overview


Rail/Tube's packaging is made of Rail/Tube's materials.Electronic manufacturers are well aware of the SOIC because of its low package cost.An electronic part designed with 8 Bits is used in this product.Using 20, you can program terminations.There are 1 functions on it.Power comes from a supply voltage of 5V.The 20 Pin Count feature is included.Computers and other computing devices use 20 pins as part of their signal interfaces.Mounted in the Surface Mount direction is this electronic part.HC/UH devices are electronic devices.There are a few additions, such as CASCADABLE.5V should be maintained as the Supply Voltage.In the absence of external influences, it consumes 8μA mA of quiescent current.This device operates at its maximum Operating Temperature of 85°C in order to ensure its reliability.Operating it should cause it to be warmer than -40°C.The maximal Supply Voltage of 6V is supported by it.A minimum supply voltage of 2V is required for operation.A high-level output current of -5.2mA is set.Current at low levels is set to 5.2mA.Logic IC IDENTITY COMPARATOR is used.

SN74HC688DWE4 Features


SOIC package
8 Bits
20 terminations
1 Functions
20 pin count
the maximal supply voltage of 6V


SN74HC688DWE4 Applications


There are a lot of Texas Instruments
SN74HC688DWE4 applications of comparators.


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

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