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SN75ALS191PE4 - Texas Instruments

Description: SN75ALS191PE4, Differential Line Driver 5 V 2-channel 8-Pin PDIP

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PCB Footprints
SN75ALS191PE4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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SN75ALS191PE4 - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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SN75ALS191PE4 Details

  • Manufacturer Part Number:

    SN75ALS191PE4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    DIP-8

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Differential Output:

    YES

  • Driver Number of Bits:

    2

  • High Level Input Current-Max:

    0.000025 A

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LINE DRIVER

  • Interface Standard:

    V.11; EIA-422-B

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e4

  • Length:

    9.81 mm

  • Number of Functions:

    2

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Out Swing-Min:

    2 V

  • Output Characteristics:

    TOTEM-POLE

  • Output Low Current-Max:

    0.005 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max:

    40 mA

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.25 V

  • Supply Voltage1-Min:

    4.75 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Transmit Delay-Max:

    7 ns

  • Width:

    7.62 mm

SN75ALS191PE4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN75ALS191PE4 is 100 MHz, but it can be used at higher frequencies with proper termination and signal conditioning.
  • To ensure signal integrity, use proper PCB layout techniques, such as keeping signal traces short and away from noise sources, using impedance-matched transmission lines, and terminating the lines with the recommended 50-ohm resistors.
  • Yes, the SN75ALS191PE4 can be used in a 3.3V system, but the output voltage swing will be reduced. The device is specified to operate from 4.5V to 5.5V, but it can tolerate a minimum supply voltage of 3.3V with some performance degradation.
  • The SN75ALS191PE4 has a thermal pad on the bottom of the package that must be connected to a thermal ground plane on the PCB to ensure proper heat dissipation. A thermal via or a copper pour can be used to connect the thermal pad to the ground plane.
  • The SN75ALS191PE4 is a 5V TTL-compatible device, but it can also be used with 3.3V TTL logic levels with some signal conditioning. However, the output voltage swing will be reduced when operating at 3.3V.

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SN75ALS191PE4 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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