# SN74LS90D (Component) ## Description Counter IC Counter, Decade 1 Element 4 Bit Negative Edge 14-SOIC #commonpartslibrary #integratedcircuit #counter ## Component Details - **Owner:** adrian95 - **Created:** 10/9/2023 - **Last Updated:** 8/8/2024 - **Visibility:** Public - **Manufacturer Part Number:** SN74LS90D - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Name:** Texas Instruments - **Part Type:** Integrated Circuit - **Datasheet URL:** https://www.ti.com/lit/ds/symlink/sn74ls93.pdf - **Used in:** 15 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/rochester-electronics-llc/SN74LS90D/11541984) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/counters-dividers_texas-instruments-sn74ls90d_C1547968.html) | N/A | N/A | | [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/SN74LS90D?qs=UG%2F8xqv%2F6WfolBj9HFDiJA%3D%3D) | N/A | N/A | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=SN74LS90D) | $2.98 | 50 | | [Verical](https://www.verical.com/pd/texas-instruments-arithmetic---counter-shift-reg-SN74LS90D-42778?utm_currency=USD) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** SN74LS90D - **Package / Case Code:** 14-SOIC - **Pin Count:** 14 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | CKB | | | 2 | R0(1) | | | 3 | R0(2) | | | 4 | NC_1 | | | 5 | VCC | | | 6 | R9(1) | | | 7 | R9(2) | | | 8 | QC | | | 9 | QB | | | 10 | GND | | | 11 | QD | | | 12 | QA | | | 13 | NC_2 | | | 14 | CKA | | --- *Generated from [https://www.flux.ai/adrian95/sn74ls90d~w2j](https://www.flux.ai/adrian95/sn74ls90d~w2j)*