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74HC688D - Nexperia

Description: 74HC688D, 8-Bit Identity Comparator, HC, Inverting 2 → 6 V 20-Pin SOIC

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74HC688D - Nexperia PCB footprint - Small Outline Packages - Small Outline Packages - SO20
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74HC688D Details

  • Manufacturer Part Number:

    74HC688D

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SO-20

  • Country Of Origin:

    Mainland China, Thailand

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1991-06-27

  • Manufacturer:

    Nexperia

  • YTEOL:

    5.35

  • Additional Feature:

    CASCADABLE

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    IDENTITY COMPARATOR

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    50 mA

  • Propagation Delay (tpd):

    51 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    NICKEL PALLADIUM GOLD SILVER

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    7.5 mm

74HC688D Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the 74HC688D is 40 MHz, but it can vary depending on the operating voltage and temperature. It's recommended to check the timing characteristics in the datasheet for specific frequency limits.
  • To ensure proper power supply and decoupling, connect the VCC pin to a stable 2.0 V to 6.0 V power supply, and decouple the power supply lines with 100 nF to 1 μF capacitors. Additionally, use a 10 μF to 100 μF capacitor for bulk decoupling.
  • The recommended input rise and fall time for the 74HC688D is 3 ns to 10 ns. Faster input transitions can cause internal shoot-through currents and increase power consumption.
  • Yes, the 74HC688D is compatible with 3.3 V and 5 V systems. However, ensure that the input signals are within the recommended voltage levels and that the output loads are compatible with the output voltage levels.
  • Unused inputs on the 74HC688D should be tied to a valid logic level (VCC or GND) to prevent floating inputs and reduce power consumption. Do not leave inputs unconnected.

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About Nexperia

Nexperia is a leading global player in the semiconductor industry. Specializing in essential electronic components, Nexperia offers a diverse range of products including discrete components, MOSFETs, logic ICs, and analog ICs. These components are integral to a multitude of applications across automotive, industrial, consumer electronics, and computing sectors, where reliability, performance, and efficiency are paramount.

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Part Image MM74HC688WM Fairchild Semiconductor Corporation

Magnitude Comparator, HC/UH Series, 8-Bit, Inverted Output, CMOS, PDSO20

Part Image CD74HC688ME4 Texas Instruments

Magnitude Comparator, HC/UH Series, 8-Bit, Inverted Output, CMOS, PDSO20

Part Image MC74HC688DWD Freescale Semiconductor

Magnitude Comparator, CMOS, PDSO20

Part Image MC74HC688DWR2 Motorola Semiconductor Products

Identity Comparator, HC/UH Series, 8-Bit, Inverted Output, CMOS, PDSO20

Part Image M74HC688M1 STMicroelectronics

Identity Comparator, HC/UH Series, 8-Bit, Inverted Output, CMOS, PDSO20

For a full list of alternate parts for 74HC688D, check out Findchips.com