---
title: "Computer Tip for the Sinclair Line"
type: "article"
slug: "computer-tip-for-the-sinclair-line"
url: "http://localhost/article/computer-tip-for-the-sinclair-line/"
markdown_url: "http://localhost/article/computer-tip-for-the-sinclair-line.md"
published_at: "2026-03-13T17:38:06+00:00"
modified_at: "2026-03-13T17:38:07+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Hardware tip recommending replacement of LS-series TTL ICs with HCT or HC CMOS equivalents in the Timex/Sinclair 2068 expansion bus to reduce current draw and prevent bus overload. Explains the root cause of expansion bus instability."
category:
  - name: "The RAMTOP"
    slug: "the-ramtop"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/the-ramtop/"
post_tag:
  - name: "Hardware project"
    slug: "hardware-project"
    taxonomy: "post_tag"
    url: "http://localhost/tag/hardware-project/"
  - name: "TS 2068"
    slug: "ts2068"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts2068/"
model:
  - name: "Timex/Sinclair 2068"
    slug: "ts-2068"
    taxonomy: "model"
    url: "http://localhost/model/ts-2068/"
indiv:
  - name: "James DuPuy"
    slug: "james-dupuy"
    taxonomy: "indiv"
    url: "http://localhost/indiv/james-dupuy/"
publication_r:
  id: 39272
  title: "The RAMTOP"
  type: "periodical"
  url: "http://localhost/periodical/the-ramtop/"
authors_r:
  - name: "James DuPuy"
    slug: "james-dupuy"
    taxonomy: "indiv"
    url: "http://localhost/indiv/james-dupuy/"
issues_articles:
  - id: 50269
    title: "The RAMTOP May-Jul 1988"
    type: "issue"
    url: "http://localhost/issue/the-ramtop-may-jul-1988/"
pages: "3"
pubdate: "May-Jul 1988"
archive_link: false
---

# Computer Tip for the Sinclair Line

Hardware tip recommending replacement of LS-series TTL ICs with HCT or HC CMOS equivalents in the Timex/Sinclair 2068 expansion bus to reduce current draw and prevent bus overload. Explains the root cause of expansion bus instability.