Part Image

SN74F251BN - Texas Instruments

Description: 1-of-8 Data Selectors/Multiplexers With 3-State Outputs

Download SN74F251BN Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
SN74F251BN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
click to zoom
3D Models
SN74F251BN - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
click to zoom

SN74F251BN Details

  • Manufacturer Part Number:

    SN74F251BN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, DIP-16

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    F/FAST

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.3 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.02 A

  • Number of Bits:

    2

  • 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

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    20 mA

  • Prop. Delay@Nom-Sup:

    9.5 ns

  • Propagation Delay (tpd):

    9 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:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    6.35 mm

SN74F251BN Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74F251BN is 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use proper PCB layout techniques, such as keeping signal traces short and away from noise sources, using termination resistors, and providing adequate power supply decoupling.
  • Yes, the SN74F251BN is compatible with 3.3V systems, but you need to ensure that the input signals are within the recommended voltage range (VCC-0.5V to VCC+0.5V) to maintain proper operation.
  • The output enable (OE) pin should be connected to a valid logic level (either VCC or GND) to ensure proper operation. If left floating, the OE pin can cause unpredictable behavior.
  • A 0.1uF ceramic capacitor should be placed as close as possible to the VCC pin to provide adequate power supply decoupling and reduce noise.

Trust Checks

This model has been verified by system checks.
System Verified
Sponsored

SN74F251BN Overview

Use the download button to access the SN74F251BN schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like SN74F, or try a keyword search, such as Multiplexer/Demultiplexers

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.

Parts related to SN74F251BN

Showing 0 results

SN74F251BN Alternates

Showing results

Image Part Number Model
Part Image 74F251APC Rochester Electronics LLC

Multiplexer

Part Image 74F251PC Fairchild Semiconductor Corporation

Multiplexer, F/FAST Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, TTL, PDIP16