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    1. Home/
    2. All Categories/
    3. Integrated Circuits - ICs/
    4. Logic ICs/
    5. M74HCT688B1R STMicroelectronics

    M74HCT688B1R [STMicroelectronics]

    M74HCT688B1R
    M74HCT688B1R

    Part No:

    M74HCT688B1R

    Category:

    Logic ICs

    Manufacturer:

    STMicroelectronics

    Description:

    20-DIP (0.300, 7.62mm) 5V V 20 Comparators 32 ns ns 20 5V V 8 Active Low

    RoHS Status:

    Datasheet:

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Mount
    Through Hole
    Mounting Type
    Through Hole
    Package / Case
    20-DIP (0.300, 7.62mm)
    Number of Pins
    20
    Operating Temperature
    -55°C~125°C
    Packaging
    Tube
    Series
    74HCT
    JESD-609 Code
    e3
    Pbfree Code
    yes
    Part Status
    Obsolete
    Moisture Sensitivity Level (MSL)
    3 (168 Hours)
    Number of Terminations
    20
    Type
    Identity Comparator
    Terminal Finish
    Matte Tin (Sn)
    Additional Feature
    CASCADABLE
    Technology
    CMOS
    Voltage - Supply
    4.5V~5.5V
    Terminal Position
    DUAL
    Peak Reflow Temperature (Cel)
    NOT SPECIFIED
    Number of Functions
    1
    Supply Voltage
    5V
    Terminal Pitch
    2.54mm
    Time@Peak Reflow Temperature-Max (s)
    NOT SPECIFIED
    Base Part Number
    M74HCT688
    Output
    Active Low
    Pin Count
    20
    Qualification Status
    Not Qualified
    Operating Supply Voltage
    5V
    Polarity
    Inverting
    Power Supplies
    5V
    Load Capacitance
    50pF
    Number of Bits
    8
    Propagation Delay
    32 ns
    Turn On Delay Time
    48 ns
    Family
    HCT
    Current - Output High, Low
    4mA 4mA
    Max Propagation Delay @ V, Max CL
    32ns @ 4.5V, 50pF
    Output Function
    A=B
    Length
    25.15mm
    Height Seated (Max)
    3.93mm
    Width
    7.62mm
    RoHS Status
    RoHS Compliant

    Products Detail

    M74HCT688B1R Overview


    Tube's packaging is made of Tube's materials.Electronic manufacturers are well aware of the 20-DIP (0.300, 7.62mm) because of its low package cost.An electronic part designed with 8 Bits is used in this product.There is no doubt that the 74HCT Series is an excellent value for the money due to its performance-cost ratio.There is a Through Hole-position for this electronic part.There is a Active Low output from this electrical device.4.5V~5.5V Supply Voltage provides the device with the necessary stability.As a result, it operates with an Operating Temperature of -55°C~125°C, which ensures its reliability.Comparator qualifies for applications of standard grade.Featuring a variety of output currents, 4mA 4mA allows for maximum design flexibility.Using 20, you can program terminations.There are 1 functions on it.Comparator is possible to establish Comparators related parts using the Base Part Number.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 Through Hole direction is this electronic part.HCT devices are electronic devices.Comparator is located in Arithmetic Circuits Subcategory.A 5V power supply powers it.There are a few additions, such as CASCADABLE.5V should be maintained as the Supply Voltage.In the absence of external influences, it consumes 4?A mA of quiescent current.

    M74HCT688B1R Features


    20-DIP (0.300, 7.62mm) package
    8 Bits
    74HCT series
    20 terminations
    1 Functions
    20 pin count
    5V power supplies


    M74HCT688B1R Applications


    There are a lot of STMicroelectronics
    M74HCT688B1R 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

    Documents

    Datasheets:

    M74HCT688
    Product FAQ

    1. Is M74HCT688B1R available for RFQ?

    Yes. M74HCT688B1R by STMicroelectronics is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for M74HCT688B1R?

    Pricing for M74HCT688B1R can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of M74HCT688B1R?

    M74HCT688B1R is a STMicroelectronics Logic ICs with Packaging: Tube and Time@Peak Reflow Temperature-Max (s): NOT SPECIFIED and Max Propagation Delay @ V, Max CL: 32ns @ 4.5V, 50pF. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for M74HCT688B1R?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can M74HCT688B1R be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to M74HCT688B1R?

    Yes. If M74HCT688B1R is unavailable, obsolete, or does not meet your required lead time, we can help check similar STMicroelectronics Logic ICs parts or compatible alternatives.

    RFQ

    Part Number:

    M74HCT688B1R

    Manufacturer:

    STMicroelectronics

    Looking for Pricing? Contact us for volume pricing.

    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

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