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SN7438D - Texas Instruments

Description: Quad 2-input positive-NAND buffers with open collector outputs

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SN7438D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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SN7438D - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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SN7438D Details

  • Manufacturer Part Number:

    SN7438D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Family:

    TTL/H/L

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    NAND GATE

  • Max I(ol):

    0.048 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Inputs:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    54 mA

  • Prop. Delay@Nom-Sup:

    22 ns

  • Propagation Delay (tpd):

    22 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.91 mm

SN7438D Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN7438D is 30 MHz, but it can vary depending on the load capacitance and the operating voltage.
  • To ensure reliable operation in high-temperature environments, it is recommended to derate the device's power dissipation and ensure good thermal management, such as using a heat sink or providing adequate airflow.
  • Yes, the SN7438D can be used as a level translator between 3.3V and 5V logic, but it is essential to ensure that the input voltage is within the recommended range and that the output is properly terminated to prevent signal reflections.
  • The recommended termination scheme for the SN7438D is to use a series resistor and a parallel capacitor at the output to prevent signal reflections and ensure signal integrity.
  • To handle ESD protection for the SN7438D, it is recommended to use ESD protection devices, such as TVS diodes or ESD protection arrays, at the input and output pins to prevent damage from electrostatic discharge.

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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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SN7438D Alternates

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Part Image DM7438MX Texas Instruments

NAND Gate, TTL/H/L Series, 4-Func, 2-Input, TTL, PDSO14

Part Image DM7438M Rochester Electronics LLC

NAND Gate, TTL/H/L Series, 4-Func, 2-Input, TTL, PDSO14

Part Image SN7438DRG4 Texas Instruments

NAND Gate, TTL/H/L Series, 4-Func, 2-Input, TTL, PDSO14

Part Image SN7438DG4 Texas Instruments

NAND Gate, TTL/H/L Series, 4-Func, 2-Input, TTL, PDSO14

Part Image SN7438DE4 Texas Instruments

NAND Gate, TTL/H/L Series, 4-Func, 2-Input, TTL, PDSO14

For a full list of alternate parts for SN7438D, check out Findchips.com