{"id":7887,"date":"2026-06-28T03:14:40","date_gmt":"2026-06-28T03:14:40","guid":{"rendered":"https:\/\/materialparts.com\/sn74ls08n\/"},"modified":"2026-06-28T11:46:42","modified_gmt":"2026-06-28T11:46:42","slug":"sn74ls08n","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/sn74ls08n\/","title":{"rendered":"SN74LS08N"},"content":{"rendered":"

Productos<\/h2>\n

The SN74LS08N is a quad 2-input positive AND gate from Texas Instruments in LS (Low-power Schottky) technology with 14-pin PDIP through-hole package.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
Number of Gates<\/td>\n4 (quad 2-input AND)<\/td>\n<\/tr>\n
Logic Family<\/td>\nLS (Low-power Schottky)<\/td>\n<\/tr>\n
Tensi\u00f3n de alimentaci\u00f3n<\/td>\n4.75V to 5.25V (5V nominal)<\/td>\n<\/tr>\n
Retardo de propagaci\u00f3n<\/td>\n15ns typical, 27ns max<\/td>\n<\/tr>\n
Output Low Current (IOL)<\/td>\n8mA<\/td>\n<\/tr>\n
Output High Current (IOH)<\/td>\n-0.4mA<\/td>\n<\/tr>\n
Input Voltage Low (VIL max)<\/td>\n0.8V<\/td>\n<\/tr>\n
Input Voltage High (VIH min)<\/td>\n2.0V<\/td>\n<\/tr>\n
Supply Current (all gates)<\/td>\n8.8mA max (outputs high)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n0\u00b0C to +70\u00b0C<\/td>\n<\/tr>\n
Paquete<\/td>\nPDIP-14 (19.3 x 6.35mm)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Four independent 2-input AND gates in one package<\/li>\n
  • LS TTL technology: low power, high speed<\/li>\n
  • Direct replacement for 7408 and 74LS08<\/li>\n
  • Input clamp diodes for undershoot protection<\/li>\n
  • Standard 14-pin PDIP through-hole package<\/li>\n
  • Widely available and cost-effective<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • General-purpose logic gating<\/li>\n
    • Address decoding and chip select generation<\/li>\n
    • Data validation and clock gating<\/li>\n
    • Digital signal conditioning<\/li>\n
    • Educational and hobby projects<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SN74LS08N is a quad 2-input positive AND gate from Texas Instruments in LS (Low-power Schottky) technology with 14-pin PDIP through-hole package. Key Specifications Number of Gates 4 (quad 2-input AND) Logic Family LS (Low-power Schottky) Supply Voltage 4.75V to 5.25V (5V nominal) Propagation Delay 15ns typical, 27ns max Output Low Current (IOL) […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[138],"class_list":["post-7887","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"Quad 2-input AND gate, LS TTL, 15ns, 5V, PDIP-14","date_code":"","package_case":"PDIP-14 (19.3 x 6.35 x 4.57mm, 2.54mm pitch, through-hole)","in_stock":18000,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/sn74ls08.pdf","price":"$0.25 @ 1ku","product_introduction":"The SN74LS08N from Texas Instruments contains four independent 2-input positive AND gates in a 14-pin PDIP through-hole package. The LS (Low-power Schottky) technology provides 15ns typical propagation delay with 8mA output sink current. Each AND gate outputs HIGH only when both inputs are HIGH; otherwise the output is LOW. The device is a direct replacement for the classic 7408 and 74LS08 from any manufacturer. Input clamp diodes protect against negative voltage undershoot. The N suffix denotes the PDIP through-hole package, making it suitable for prototyping, education, and legacy board designs.","working_principle":"Each of the four AND gates in the SN74LS08N implements the Boolean AND function: the output is HIGH (logic 1) only when both input A and input B are HIGH. In all other input combinations (A=0\/B=0, A=0\/B=1, A=1\/B=0), the output is LOW (logic 0). The truth table is: A=0, B=0 \u2192 Y=0; A=0, B=1 \u2192 Y=0; A=1, B=0 \u2192 Y=0; A=1, B=1 \u2192 Y=1. The LS Schottky technology uses Schottky-diode-clamped transistors that prevent deep saturation, resulting in faster switching (15ns) compared to standard TTL (22ns) while consuming less power. The totem-pole output stage provides active pull-up and pull-down, with 8mA sink capability for driving multiple TTL loads.","pin_description":"\n
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>\n
      1<\/td>1A<\/td>Input<\/td>Gate 1 input A<\/td><\/tr>\n
      2<\/td>1B<\/td>Input<\/td>Gate 1 input B<\/td><\/tr>\n
      3<\/td>1Y<\/td>Output<\/td>Gate 1 output<\/td><\/tr>\n
      4<\/td>2A<\/td>Input<\/td>Gate 2 input A<\/td><\/tr>\n
      5<\/td>2B<\/td>Input<\/td>Gate 2 input B<\/td><\/tr>\n
      6<\/td>2Y<\/td>Output<\/td>Gate 2 output<\/td><\/tr>\n
      7<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>\n
      8<\/td>3Y<\/td>Output<\/td>Gate 3 output<\/td><\/tr>\n
      9<\/td>3A<\/td>Input<\/td>Gate 3 input A<\/td><\/tr>\n
      10<\/td>3B<\/td>Input<\/td>Gate 3 input B<\/td><\/tr>\n
      11<\/td>4Y<\/td>Output<\/td>Gate 4 output<\/td><\/tr>\n
      12<\/td>4A<\/td>Input<\/td>Gate 4 input A<\/td><\/tr>\n
      13<\/td>4B<\/td>Input<\/td>Gate 4 input B<\/td><\/tr>\n
      14<\/td>VCC<\/td>Power<\/td>Supply (4.75V to 5.25V)<\/td><\/tr>\n<\/table>","application_scenarios":"
        \n
      • Address Decode:<\/strong> Combine upper address lines to generate chip-select signals for memory-mapped peripherals<\/li>\n
      • Clock Gating:<\/strong> AND a clock signal with an enable signal to conditionally pass clocks to sub-circuits<\/li>\n
      • Data Validation:<\/strong> AND a data ready signal with an acknowledge signal to gate data transfers<\/li>\n
      • Logic Synthesis:<\/strong> Fundamental building block for custom combinational logic circuits in education and prototyping<\/li>\n
      • Legacy Maintenance:<\/strong> Direct 7408 replacement for repair of vintage TTL-based equipment<\/li>\n<\/ul>","alternative_models":"\n
        Model<\/th>Manufacturer<\/th>Key Difference<\/th>Package<\/th>Supply<\/th><\/tr>\n
        74LS08N<\/td>TI\/Nexperia<\/td>Original TTL version with 5V-only supply, typical propagation delay 10-15ns<\/td>DIP-14<\/td>5V TTL<\/td><\/tr>\n
        74LS08D<\/td>TI\/Nexperia<\/td>Surface-mount SOIC version of LS with identical logic function<\/td>SOIC-14<\/td>5V TTL<\/td><\/tr>\n
        74HC08D<\/td>TI\/Nexperia<\/td>CMOS version with wide 2-6V supply range, lower power consumption and higher noise immunity<\/td>SOIC-14<\/td>2-6V CMOS<\/td><\/tr>\n
        74HC08N<\/td>TI\/Nexperia<\/td>Through-hole DIP version of HC family for prototyping and repair<\/td>DIP-14<\/td>2-6V CMOS<\/td><\/tr>\n
        74HCT08D<\/td>TI\/Nexperia<\/td>CMOS with TTL-compatible input levels, ideal for mixing with LS devices at 5V<\/td>SOIC-14<\/td>4.5-5.5V TTL-in<\/td><\/tr>\n
        74HCT08N<\/td>TI\/Nexperia<\/td>Through-hole DIP version of HCT family for prototyping and repair<\/td>DIP-14<\/td>4.5-5.5V TTL-in<\/td><\/tr>\n
        74AC08D<\/td>TI\/Nexperia<\/td>Advanced CMOS with 2-6V supply and higher output drive current (24mA vs 6mA for HC)<\/td>SOIC-14<\/td>2-6V CMOS<\/td><\/tr>\n
        74AC08N<\/td>TI\/Nexperia<\/td>Through-hole DIP version of AC family for prototyping and repair<\/td>DIP-14<\/td>2-6V CMOS<\/td><\/tr>\n
        74LVC08D<\/td>TI\/Nexperia<\/td>Low-voltage CMOS for 1.65-3.6V modern logic with 24mA output drive and bus-hold inputs<\/td>SOIC-14<\/td>1.65-3.6V CMOS<\/td><\/tr>\n
        74LVC08N<\/td>TI\/Nexperia<\/td>Through-hole DIP version of LVC family for prototyping and repair<\/td>DIP-14<\/td>1.65-3.6V CMOS<\/td><\/tr>\n<\/table>\n

        The 7408 is a Quad 2-Input AND Gate. Family variants span from the original LS TTL (5V only) to modern LVC\/AUP (down to 0.8V). HC and HCT versions offer 2-6V CMOS operation with HCT providing TTL-compatible input thresholds for mixed 5V systems. CD4000-series equivalents offer the widest 3-18V supply range at the cost of lower switching speed. DIP packages (N suffix) are through-hole; SOIC (D suffix) and TSSOP are surface-mount.<\/p>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7887","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=7887"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7887\/revisions"}],"predecessor-version":[{"id":8205,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7887\/revisions\/8205"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=7887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=7887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=7887"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=7887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}