{"id":828,"date":"2026-05-14T09:06:21","date_gmt":"2026-05-14T06:06:21","guid":{"rendered":"https:\/\/jkauppa.fi\/?p=828"},"modified":"2026-05-14T09:06:22","modified_gmt":"2026-05-14T06:06:22","slug":"small-signal-nvsram","status":"publish","type":"post","link":"https:\/\/jkauppa.fi\/index.php\/2026\/05\/14\/small-signal-nvsram\/","title":{"rendered":"Small Signal NVSRAM"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Changed input voltage to logic \u00b12v for 1\/0 states making the circuit as 1-bit 3T nvsram buffer. Changed zero pull-down resistor from 10meg to 10k. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1719\" height=\"1450\" src=\"https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram13.png\" alt=\"\" class=\"wp-image-848\" srcset=\"https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram13.png 1719w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram13-300x253.png 300w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram13-1024x864.png 1024w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram13-768x648.png 768w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram13-1536x1296.png 1536w\" sizes=\"auto, (max-width: 1719px) 100vw, 1719px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Changed mosfet gate equivalent capacitor to 1p. Operation is stable with even \u00b112v input pulses.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1583\" height=\"1566\" src=\"https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram11.png\" alt=\"\" class=\"wp-image-844\" srcset=\"https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram11.png 1583w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram11-300x297.png 300w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram11-1024x1013.png 1024w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram11-768x760.png 768w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram11-1536x1520.png 1536w\" sizes=\"auto, (max-width: 1583px) 100vw, 1583px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Small signal NVSRAM latch bit storage using narrow pulses.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2004\" height=\"1503\" src=\"https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram5.png\" alt=\"\" class=\"wp-image-833\" srcset=\"https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram5.png 2004w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram5-300x225.png 300w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram5-1024x768.png 1024w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram5-768x576.png 768w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram5-1536x1152.png 1536w\" sizes=\"auto, (max-width: 2004px) 100vw, 2004px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Small signal NVSRAM latch bit storage with input voltage changed to 0\u00b11.2v. If the input bit change voltage is too high then diode hysteresis circuit stops working.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1833\" height=\"1287\" src=\"https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram4.png\" alt=\"\" class=\"wp-image-834\" srcset=\"https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram4.png 1833w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram4-300x211.png 300w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram4-1024x719.png 1024w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram4-768x539.png 768w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/nvsram4-1536x1078.png 1536w\" sizes=\"auto, (max-width: 1833px) 100vw, 1833px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Converting small signal amplifier mosfet into nvsram memory bit using parallel opposite diodes hysteresis. pull-down chain instead of pass-through chain for mosfet word select lines might be better for small signal diode hysteresis nvsram with a single coupling capacitor.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1440\" src=\"https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/smallsignalnvsram36a-scaled.png\" alt=\"\" class=\"wp-image-829\" srcset=\"https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/smallsignalnvsram36a-scaled.png 2560w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/smallsignalnvsram36a-300x169.png 300w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/smallsignalnvsram36a-1024x576.png 1024w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/smallsignalnvsram36a-768x432.png 768w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/smallsignalnvsram36a-1536x864.png 1536w, https:\/\/jkauppa.fi\/wp-content\/uploads\/2026\/05\/smallsignalnvsram36a-2048x1152.png 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Changed input voltage to logic \u00b12v for 1\/0 states making the circuit as 1-bit 3T nvsram buffer. Changed<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-828","post","type-post","status-publish","format-standard","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/jkauppa.fi\/index.php\/wp-json\/wp\/v2\/posts\/828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jkauppa.fi\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jkauppa.fi\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jkauppa.fi\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jkauppa.fi\/index.php\/wp-json\/wp\/v2\/comments?post=828"}],"version-history":[{"count":8,"href":"https:\/\/jkauppa.fi\/index.php\/wp-json\/wp\/v2\/posts\/828\/revisions"}],"predecessor-version":[{"id":853,"href":"https:\/\/jkauppa.fi\/index.php\/wp-json\/wp\/v2\/posts\/828\/revisions\/853"}],"wp:attachment":[{"href":"https:\/\/jkauppa.fi\/index.php\/wp-json\/wp\/v2\/media?parent=828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jkauppa.fi\/index.php\/wp-json\/wp\/v2\/categories?post=828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jkauppa.fi\/index.php\/wp-json\/wp\/v2\/tags?post=828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}