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SN74251N3 - Texas Instruments

Description: Encoders, Decoders, Multiplexers & Demultiplexers 8-Line To 1-Line Data Selector / Multiplexer 16-PDIP 0 to 70

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SN74251N3 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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SN74251N3 - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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SN74251N3 Details

  • Manufacturer Part Number:

    SN74251N3

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, MS-001BB, DIP-16

  • Pin Count:

    16

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Family:

    TTL/H/L

  • JESD-30 Code:

    R-PDIP-T16

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.016 A

  • Number of Functions:

    1

  • Number of Inputs:

    8

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Power Supply Current-Max (ICC):

    62 mA

  • Prop. Delay@Nom-Sup:

    45 ns

  • Propagation Delay (tpd):

    45 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    7.62 mm

SN74251N3 Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74251N3 is 100 MHz, but it's recommended to operate it at 50 MHz or lower for reliable performance.
  • To ensure proper power sequencing, apply power to VCC before applying a clock signal, and ensure that VCC is stable before applying any input signals.
  • Texas Instruments recommends using a series termination scheme with a 33-ohm resistor and a 10-pF capacitor for each output pin to minimize reflections and ensure signal integrity.
  • Yes, the SN74251N3 is compatible with 3.3V systems, but you'll need to ensure that the input signals are within the recommended voltage range (VCC - 0.5V to VCC + 0.5V) to maintain reliable operation.
  • To minimize clock skew, use a single clock source and distribute it to each SN74251N3 device, or use a clock buffer/distribution chip to ensure a consistent clock signal across all devices.

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SN74251N3 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 SN54251J-00 Texas Instruments

Multiplexer, TTL/H/L Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, TTL, CDIP16