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Datasheet> All Categories > The logic comparator> SN74LS688N
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SN74LS688N

Description
Identity Comparator 8-Bit 20-Pin PDIP Tube
CategoryThe logic comparator   
File Size2MB，24 Pages
ManufacturerTexas Instruments
Websitehttp://www.ti.com.cn/
Environmental Compliance
Stay tuned Parametric Compare

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SN74LS688N Overview

Identity Comparator 8-Bit 20-Pin PDIP Tube

SN74LS688N Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
TypeIdentity Comparator
Logic FamilyLS
Number of Bits8
PolarityInverting
Maximum Propagation Delay Time @ Maximum CL (ns)23@5V
Absolute Propagation Delay Time (ns)23
Process TechnologyBipolar
Output FunctionA=B
Output TypeTotem-Pole
Maximum Low Level Output Current (mA)24
Maximum High Level Output Current (mA)-0.4
Minimum Operating Supply Voltage (V)4.85
Typical Operating Supply Voltage (V)5
Maximum Operating Supply Voltage (V)5.25
Propagation Delay Test Condition (pF)45
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)70
PackagingTube
Supplier PackagePDIP
Pin Count20
Standard Package NameDIP
MountingThrough Hole
Package Height5.08(Max) - 0.51(Min)
Package Length26.92(Max)
Package Width6.6(Max)
PCB changed20
Lead ShapeThrough Hole

SN74LS688N Related Products

SN74LS688N SN74LS682DW SN74LS682DWR SN74LS682N SN74LS684DW SN74LS684DWR SN74LS684N SN74LS688DW SN74LS688DWR SN74LS684NG4
Description Identity Comparator 8-Bit 20-Pin PDIP Tube 8-Bit Identity/Magnitude Comparators 20-SOIC 0 to 70 8-Bit Identity/Magnitude Comparators 20-SOIC 0 to 70 8-Bit Identity/Magnitude Comparators 20-PDIP 0 to 70 8-Bit Identity/Magnitude Comparators 20-SOIC 0 to 70 8-Bit Identity/Magnitude Comparators 20-SOIC 0 to 70 8-Bit Identity/Magnitude Comparators 20-PDIP 0 to 70 Identity Comparator 8-Bit 20-Pin SOIC Tube Identity Comparator 8-Bit 20-Pin SOIC T/R IC COMPARATOR MAGNITUDE 8B 20DIP
Brand Name - Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments - - -
Is it lead-free? - Lead free Lead free Lead free Lead free Lead free Lead free - - -
Is it Rohs certified? - conform to conform to conform to conform to conform to conform to - - -
Maker - Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments - - -
Parts packaging code - SOIC SOIC DIP SOIC SOIC DIP - - -
package instruction - SOP, SOP20,.4 SOP, SOP20,.4 DIP, DIP20,.3 SOP, SOP20,.4 SOP, SOP20,.4 DIP, DIP20,.3 - - -
Contacts - 20 20 20 20 20 20 - - -
Reach Compliance Code - compli compli compli compli compli compli - - -
Factory Lead Time - 1 week 6 weeks 1 week 1 week 1 week 6 weeks - - -
Other features - WITH PULL-UP RESISTORS ON B INPUTS; WITH A = B & A > B OUTPUTS WITH PULL-UP RESISTORS ON B INPUTS; WITH A = B & A > B OUTPUTS WITH PULL-UP RESISTORS ON B INPUTS; WITH A = B & A > B OUTPUTS WITH A = B & A > B OUTPUTS WITH A = B & A > B OUTPUTS WITH A = B & A > B OUTPUTS - - -
series - LS LS LS LS LS LS - - -
JESD-30 code - R-PDSO-G20 R-PDSO-G20 R-PDIP-T20 R-PDSO-G20 R-PDSO-G20 R-PDIP-T20 - - -
JESD-609 code - e4 e4 e4 e4 e4 e4 - - -
length - 12.8 mm 12.8 mm 25.4 mm 12.8 mm 12.8 mm 25.4 mm - - -
Load capacitance (CL) - 45 pF 45 pF 45 pF 45 pF 45 pF 45 pF - - -
Logic integrated circuit type - MAGNITUDE COMPARATOR MAGNITUDE COMPARATOR MAGNITUDE COMPARATOR MAGNITUDE COMPARATOR MAGNITUDE COMPARATOR MAGNITUDE COMPARATOR - - -
MaximumI(ol) - 0.024 A 0.024 A 0.024 A 0.024 A 0.024 A 0.024 A - - -
Number of digits - 8 8 8 8 8 8 - - 8
Number of functions - 1 1 1 1 1 1 - - -
Number of terminals - 20 20 20 20 20 20 - - -
Maximum operating temperature - 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C - - -
Output polarity - INVERTED INVERTED INVERTED INVERTED INVERTED INVERTED - - -
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - - -
encapsulated code - SOP SOP DIP SOP SOP DIP - - -
Encapsulate equivalent code - SOP20,.4 SOP20,.4 DIP20,.3 SOP20,.4 SOP20,.4 DIP20,.3 - - -
Package shape - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR - - -
Package form - SMALL OUTLINE SMALL OUTLINE IN-LINE SMALL OUTLINE SMALL OUTLINE IN-LINE - - -
method of packing - TUBE TR TUBE TUBE TR TUBE - - -
Peak Reflow Temperature (Celsius) - 260 260 NOT SPECIFIED 260 260 NOT SPECIFIED - - -
power supply - 5 V 5 V 5 V 5 V 5 V 5 V - - -
Maximum supply current (ICC) - 70 mA 70 mA 70 mA 65 mA 65 mA 65 mA - - -
Prop。Delay @ Nom-Su - 30 ns 30 ns 30 ns 30 ns 30 ns 30 ns - - -
propagation delay (tpd) - 30 ns 30 ns 30 ns 30 ns 30 ns 30 ns - - -
Certification status - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified - - -
Schmitt trigger - YES YES YES YES YES YES - - -
Maximum seat height - 2.65 mm 2.65 mm 5.08 mm 2.65 mm 2.65 mm 5.08 mm - - -
Maximum supply voltage (Vsup) - 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V - - -
Minimum supply voltage (Vsup) - 4.85 V 4.85 V 4.85 V 4.85 V 4.85 V 4.85 V - - -
Nominal supply voltage (Vsup) - 5 V 5 V 5 V 5 V 5 V 5 V - - -
surface mount - YES YES NO YES YES NO - - -
technology - TTL TTL TTL TTL TTL TTL - - -
Temperature level - COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL - - -
Terminal surface - Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) - - -
Terminal form - GULL WING GULL WING THROUGH-HOLE GULL WING GULL WING THROUGH-HOLE - - -
Terminal pitch - 1.27 mm 1.27 mm 2.54 mm 1.27 mm 1.27 mm 2.54 mm - - -
Terminal location - DUAL DUAL DUAL DUAL DUAL DUAL - - -
Maximum time at peak reflow temperature - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED - - -
width - 7.5 mm 7.5 mm 7.62 mm 7.5 mm 7.5 mm 7.62 mm - - -

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