Part Image

SN74LS90N - Texas Instruments

Description: DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS

Download SN74LS90N 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
SN74LS90N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 16 pdip
click to zoom
3D Models
SN74LS90N - Texas Instruments  - 3D model - Dual-In-Line Packages - 16 pdip
click to zoom

SN74LS90N Details

  • Manufacturer Part Number:

    SN74LS90N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ONE FUNCTION HAS 1 BIT

  • Count Direction:

    UP

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    15 pF

  • Load/Preset Input:

    NO

  • Logic IC Type:

    DECADE COUNTER

  • Max Frequency@Nom-Sup:

    16000000 Hz

  • Max I(ol):

    0.008 A

  • Mode of Operation:

    ASYNCHRONOUS

  • Number of Bits:

    4

  • Number of Functions:

    1

  • 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

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    15 mA

  • Prop. Delay@Nom-Sup:

    50 ns

  • Propagation Delay (tpd):

    50 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 Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Trigger Type:

    NEGATIVE EDGE

  • Width:

    7.62 mm

  • fmax-Min:

    32 MHz

SN74LS90N Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS90N is typically 2.5 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper operation, the SN74LS90N should be powered with a stable 5V supply, and decoupling capacitors (e.g., 0.1uF and 10uF) should be placed close to the device to filter out noise and voltage spikes.
  • The SN74LS90N can sink or source up to 16mA of current per output pin, but it's recommended to limit the current to 10mA or less to ensure reliable operation.
  • The asynchronous reset input (R) should be tied to VCC through a pull-up resistor (e.g., 1kΩ) to ensure that the device is properly reset. A capacitor (e.g., 100nF) can also be added to filter out noise on the reset line.
  • The SN74LS90N is designed for 5V operation, but it can be used in a 3.3V system with some limitations. However, the device's performance and functionality may be degraded, and it's recommended to consult the datasheet and application notes for specific guidance.

Trust Checks

This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

SN74LS90N Overview

Use the download button to access the SN74LS90N schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like SN74L, or try a keyword search, such as Counters

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 SN74LS90N

Showing 0 results

SN74LS90N Alternates

Showing results

Image Part Number Model
Part Image 7603201CA Texas Instruments

Decade Counter, LS Series, Asynchronous, Negative Edge Triggered, 3-Bit, Up Direction, TTL, CDIP14

Part Image SN74LS90N8 Rochester Electronics LLC

Decade Counter, LS Series, Asynchronous, Negative Edge Triggered, 3-Bit, Up Direction, TTL, PDIP14

Part Image 54LS90DM Rochester Electronics LLC

Decade Counter, LS Series, Synchronous, Negative Edge Triggered, 4-Bit, Up Direction, TTL, CDIP14

Part Image DM54LS90J Texas Instruments

Decade Counter, LS Series, Asynchronous, Negative Edge Triggered, 4-Bit, Up Direction, TTL, CDIP14

Part Image JM38510/31501 Texas Instruments

Decade Counter, LS Series, Asynchronous, Negative Edge Triggered, 3-Bit, Up Direction, TTL, CDIP14

For a full list of alternate parts for SN74LS90N, check out Findchips.com