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CD74HCT137E - Texas Instruments

Description: CD74HCT137E, Decoder, Demultiplexer HCT, 1-of-8 Inverting 4.5 → 5.5 V 16-Pin PDIP

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CD74HCT137E - Texas Instruments - PCB symbol
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PCB Footprints
CD74HCT137E - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - PDIP 16
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CD74HCT137E - Texas Instruments - 3D model - Dual-In-Line Packages - PDIP 16
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CD74HCT137E Details

  • Manufacturer Part Number:

    CD74HCT137E

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ADDRESS LATCHES; 3 ENABLE INPUTS

  • Family:

    HCT

  • Input Conditioning:

    LATCHED

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    3-LINE TO 8-LINE DECODER

  • Max I(ol):

    0.004 A

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    0.16 mA

  • Prop. Delay@Nom-Sup:

    16 ns

  • Propagation Delay (tpd):

    57 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

CD74HCT137E Frequently Asked Questions (FAQs)

  • The maximum clock frequency for CD74HCT137E is 30 MHz, but it can vary depending on the operating voltage and load capacitance. It's recommended to check the timing characteristics in the datasheet and perform simulations to ensure the desired frequency can be achieved.
  • To prevent floating outputs during power-up or power-down, it's recommended to add a pull-up or pull-down resistor to the output pins. This will ensure that the outputs are in a defined state even when the device is not powered or is in a power-down state.
  • The CD74HCT137E is a 4.5V to 5.5V device, so it can be used with a 5V power supply. However, it's essential to ensure that the input and output voltage levels are within the recommended operating conditions to prevent damage or malfunction.
  • The asynchronous reset input (MR) should be tied to VCC through a pull-up resistor if it's not used. If it's used, ensure that the reset signal is synchronized with the clock signal to prevent metastability issues.
  • The recommended termination for the CD74HCT137E outputs depends on the load and the desired signal integrity. In general, a series termination resistor (Rs) of 22-33 ohms is recommended, along with a parallel termination capacitor (Ct) of 10-20 pF.

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CD74HCT137E 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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