{"id":1049,"date":"2013-09-22T11:06:27","date_gmt":"2013-09-22T11:06:27","guid":{"rendered":"http:\/\/www.antiquetech.com\/?page_id=1049"},"modified":"2013-09-22T11:06:27","modified_gmt":"2013-09-22T11:06:27","slug":"texas-instruments-chip-markings","status":"publish","type":"page","link":"http:\/\/www.antiquetech.com\/?page_id=1049","title":{"rendered":"Texas Instruments Chip Markings"},"content":{"rendered":"<h2>Identification Number<\/h2>\n<h3>Logic Chips<\/h3>\n<p>&nbsp;<\/p>\n<blockquote><p><b>AA 999999 B &#8211; CC<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>AA is Prefix:<\/p>\n<blockquote><p>BL\u00a0\u00a0\u00a0 &#8211;\u00a0 Beam Lead<\/p>\n<p>RSN &#8211;\u00a0 Radiation Hardened<\/p>\n<p>SN\u00a0\u00a0\u00a0 &#8211;\u00a0 Standard<\/p>\n<p>SNR &#8211;\u00a0 High Reliability without group B &amp; C<\/p>\n<p>SNT &#8211;\u00a0\u00a0 High Reliability with group B &amp; C<\/p>\n<p>SNX &#8211;\u00a0 Experimental Circuit<\/p><\/blockquote>\n<p>999999 is part number (3 to 6 characters, alpha &amp; numeric)<\/p>\n<p>Examples: 7400, 54H01, 74LS05<\/p>\n<p>&nbsp;<\/p>\n<p>B is the Package type:<\/p>\n<blockquote><p>F &#8211; Flat package, metal, 1\/2 inch tip-to-tip, die is electrically insulted from case<\/p>\n<p>H &#8211; Flat package, ceramic, 3\/4 inch tip-to-tip, die is electrically insulted from case<\/p>\n<p>J &#8211; DIP, ceramic<\/p>\n<p>L &#8211; Plug-in package (TO-5 transistor style), metal<\/p>\n<p>N &#8211; DIP, plastic<\/p>\n<p>R &#8211; Flat package, metal, 3\/4 inch tip-to-tip, die is electrically insulted from case<\/p>\n<p>S &#8211; Flat package, metal, 1\/2 inch tip-to-tip, die is electrically connected to the case<\/p>\n<p>T &#8211; Flat package,\u00a0 metal, 3\/4 inch tip-to-tip, die is electrically connected to the case<\/p><\/blockquote>\n<p>CC is the processing instructions:<\/p>\n<blockquote><p>Ranges from 00-17, indicates processing options for lead forming, insulation, shipping carrier, and solder-dipped leads<\/p><\/blockquote>\n<\/blockquote>\n<h3>Other Chip Prefixes<\/h3>\n<blockquote><p>TMC &#8211; MOS Calculator Chips<\/p>\n<p>TMS &#8211; MOS Chips<\/p>\n<p>&nbsp;<\/p><\/blockquote>\n<h2>Date Code<\/h2>\n<blockquote><p>TI Date Code Format: <b>YYWW<\/b><\/p>\n<p>These number should be located by themselves with no letters or other numbers immediately adjacent. The numbers are often found on the underside with the country of manufacture.<\/p>\n<p>WW &#8211; Week of manufacture. Ranges from 01 to 52.<\/p>\n<p>YY &#8211; Year of manufacture. Ranges from 59 to 99.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Identification Number Logic Chips &nbsp; AA 999999 B &#8211; CC &nbsp; AA is Prefix: BL\u00a0\u00a0\u00a0 &#8211;\u00a0 Beam Lead RSN &#8211;\u00a0 Radiation Hardened SN\u00a0\u00a0\u00a0 &#8211;\u00a0 Standard SNR &#8211;\u00a0 High Reliability without group B &amp; C SNT &#8211;\u00a0\u00a0 High Reliability with group B &amp; C SNX &#8211;\u00a0 Experimental Circuit 999999 is part number (3 to 6 characters, &hellip; <\/p>\n<p><a class=\"more-link block-button\" href=\"http:\/\/www.antiquetech.com\/?page_id=1049\">Continue reading &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":922,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-1049","page","type-page","status-publish","hentry","nodate"],"_links":{"self":[{"href":"http:\/\/www.antiquetech.com\/index.php?rest_route=\/wp\/v2\/pages\/1049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.antiquetech.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.antiquetech.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.antiquetech.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.antiquetech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1049"}],"version-history":[{"count":1,"href":"http:\/\/www.antiquetech.com\/index.php?rest_route=\/wp\/v2\/pages\/1049\/revisions"}],"predecessor-version":[{"id":1050,"href":"http:\/\/www.antiquetech.com\/index.php?rest_route=\/wp\/v2\/pages\/1049\/revisions\/1050"}],"up":[{"embeddable":true,"href":"http:\/\/www.antiquetech.com\/index.php?rest_route=\/wp\/v2\/pages\/922"}],"wp:attachment":[{"href":"http:\/\/www.antiquetech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}