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SN54HC688J - Texas Instruments

Description: Identity Comparator 8-Bit Inverting 20-Pin CDIP Tube

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SN54HC688J - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J(R-GDIP-T20
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SN54HC688J Details

  • Manufacturer Part Number:

    SN54HC688J

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    CASCADABLE

  • Family:

    HC/UH

  • JESD-30 Code:

    R-GDIP-T20

  • JESD-609 Code:

    e0

  • Length:

    26.92 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    IDENTITY COMPARATOR

  • Max I(ol):

    0.0052 A

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Polarity:

    INVERTED

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    45 ns

  • Propagation Delay (tpd):

    313 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

SN54HC688J Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN54HC688J is 50 MHz.
  • It is recommended to power up the VCC pin before the input signals, and power down the VCC pin after the input signals. This ensures that the device is properly initialized and avoids any potential latch-up conditions.
  • The recommended termination scheme for the SN54HC688J is to use a pull-up resistor on the output pins to VCC, and a pull-down resistor on the input pins to GND. This helps to reduce noise and ensure proper signal integrity.
  • Yes, the SN54HC688J can be used in a 3.3V system, but it is recommended to use a voltage regulator to ensure that the supply voltage is within the recommended operating range of 4.5V to 5.5V.
  • The SN54HC688J has a maximum junction temperature of 150°C. To ensure proper thermal management, it is recommended to use a heat sink or a thermal pad to dissipate heat, especially in high-power or high-frequency applications.

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SN54HC688J Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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Part Image CD54HC688F Harris Semiconductor

Identity Comparator, HC/UH Series, 8-Bit, Inverted Output, CMOS, CDIP20

Part Image 5962-8681801RX Intersil Corporation

Identity Comparator, HC/UH Series, 8-Bit, Inverted Output, CMOS, CDIP20

Part Image CD54HC688F/3 Intersil Corporation

Identity Comparator, HC/UH Series, 8-Bit, Inverted Output, CMOS, CDIP20

Part Image SN54HC688J-00 Texas Instruments

Identity Comparator, HC/UH Series, 8-Bit, Inverted Output, CMOS, CDIP20

Part Image GD54HC688J Goldstar Electron Co Ltd

Identity Comparator, HC/UH Series, 8-Bit, Inverted Output, CMOS, CDIP20

For a full list of alternate parts for SN54HC688J, check out Findchips.com