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Part Image

SN7490AN - Texas Instruments

Description: Counter ICs Asynchronous decade counters 14-PDIP 0 to 70

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PCB Footprints

SN7490AN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T14)
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3D Models

SN7490AN - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T14)
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SN7490AN Details

  • Manufacturer Part Number:

    SN7490AN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    No

  • Rohs Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP, DIP14,.3

  • Pin Count:

    14

  • Reach Compliance Code:

    not_compliant

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • Risk Rank:

    5.23

  • Additional Feature:

    ONE FUNCTION HAS 1 BIT

  • Count Direction:

    UP

  • Family:

    TTL/H/L

  • JESD-30 Code:

    R-PDIP-T14

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    15 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    DECADE COUNTER

  • Max Frequency@Nom-Sup:

    16000000 Hz

  • Max I(ol):

    0.016 A

  • Mode of Operation:

    ASYNCHRONOUS

  • Number of Bits:

    3

  • Number of Functions:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Power Supplies:

    5 V

  • Power Supply Current-Max (ICC):

    42 mA

  • Propagation Delay (tpd):

    50 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Subcategory:

    Counters

  • 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

  • Trigger Type:

    NEGATIVE EDGE

  • Width:

    7.62 mm

  • fmax-Min:

    32 MHz

Risk Rank: Design Risk

SN7490AN — Texas Instruments
2.2 - Low Design Risk
Design Risk Rank is determined by in-depth analysis across multiple factors, including part availability, functional equivalents, lifecycle and more. Learn more →

Risk Rank

Risk Rank is a proprietary algorithm Supplyframe has developed to quantify component risk using multiple data points. This ranking helps engineers and buyers determine whether alternates should be sought for parts that are deemed as high risk.

Risk Rank Example

Risk Rank is determined by a combination of factors such as product lifecycle status, price & inventory volatility, current inventory availability and much more. Even the availability of manufacturer specifications, part documentation such as datasheets and reference designs have an impact on determining the overall riskiness of a part.

The risk is characterized across three product phases:

  • Design
  • Production
  • Long Term

We focus on the Design Phase on Component Search Engine in our evaluation of Risk.

Design Phase

The design phase of a product is at the beginning of the product lifecycle. This is when engineers are doing analysis of components in the marketplace, determining which specifications are most important for their design and assessing the cost impact of using this particular component. While this is early in the product lifecycle, choices at this point can severely impact a product much later on when the product is being made. Additionally, this stage is the one furthest from a product being made, which is why we focus on metrics of stability over time when determining Design Risk.

Risk Rank Breakdown

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SN7490AN Overview

Use the download button to access the SN7490AN schematic symbol, PCB footprint, and 3D model.
SN7490AN by Texas Instruments has a score of
To find more CAD model downloads similar to this part, try a partial part number search, like SN749, or try a keyword search, such as Counters

Parts related to SN7490AN

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SN7490AN Alternates

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Image Part Number Design Risk Rank Model
Part Image SN7490ANP3 Rochester Electronics LLC

Decade Counter,

Part Image N7490F Signetics

Decade Counter, TTL/H/L Series, Asynchronous, Negative Edge Triggered, 3-Bit, Up Direction, TTL, CDIP14, CERAMIC, DIP-14

Part Image DM7490AN Fairchild Semiconductor Corporation

Decade Counter, TTL/H/L Series, Asynchronous, Negative Edge Triggered, 3-Bit, Up Direction, TTL, PDIP14, 0.300 INCH, PLASTIC, MS-001, DIP-14

Part Image SN7490AN1 Rochester Electronics LLC

Decade Counter,

Part Image DM5490J/883 Rochester Electronics LLC

Decade Counter, TTL/H/L Series, Asynchronous, Negative Edge Triggered, 3-Bit, Up Direction, TTL, CDIP14, CERAMIC, DIP-14

For a full list of alternate parts for SN7490AN, check out FindChips.com