{"id":7902,"date":"2026-06-28T03:26:48","date_gmt":"2026-06-28T03:26:48","guid":{"rendered":"https:\/\/materialparts.com\/sn74ls04n\/"},"modified":"2026-06-28T11:46:24","modified_gmt":"2026-06-28T11:46:24","slug":"sn74ls04n","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/sn74ls04n\/","title":{"rendered":"SN74LS04N"},"content":{"rendered":"

Productos<\/h2>\n

The SN74LS04N is a hex inverter from Texas Instruments with six independent NOT gates in a 14-pin PDIP package, using LS (Low-power Schottky) TTL technology.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
Number of Gates<\/td>\n6 (hex inverter)<\/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>\n10ns typical<\/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
Supply Current (all gates)<\/td>\n6.1mA typical, 12mA max<\/td>\n<\/tr>\n
Input Voltage (HIGH min)<\/td>\n2.0V<\/td>\n<\/tr>\n
Input Voltage (LOW max)<\/td>\n0.8V<\/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
  • Six independent inverters in one package<\/li>\n
  • LS TTL technology for fast switching<\/li>\n
  • 10ns typical propagation delay<\/li>\n
  • Input clamp diodes for undershoot protection<\/li>\n
  • Direct replacement for 7404 and 74LS04<\/li>\n
  • Industry-standard pinout<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Logic signal inversion<\/li>\n
    • Clock signal complement generation<\/li>\n
    • Active-low to active-high conversion<\/li>\n
    • Simple oscillator with crystal or RC network<\/li>\n
    • Logic buffer with inversion<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SN74LS04N is a hex inverter from Texas Instruments with six independent NOT gates in a 14-pin PDIP package, using LS (Low-power Schottky) TTL technology. Key Specifications Number of Gates 6 (hex inverter) Logic Family LS (Low-power Schottky) Supply Voltage 4.75V to 5.25V (5V nominal) Propagation Delay 10ns typical 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-7902","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"Hex inverter, 6 NOT gates, LS TTL, 10ns, PDIP-14","date_code":"","package_case":"PDIP-14 (19.3 x 6.35 x 4.57mm, 2.54mm pitch, through-hole)","in_stock":20000,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/sn74ls04.pdf","price":"$0.28 @ 1ku","product_introduction":"The SN74LS04N from Texas Instruments contains six independent logic inverters (NOT gates) in a 14-pin PDIP through-hole package. Each inverter performs the Boolean function Y = NOT(A), producing a LOW output when the input is HIGH and a HIGH output when the input is LOW. The LS (Low-power Schottky) technology provides 10ns typical propagation delay with only 6.1mA typical supply current for all six gates. Input clamp diodes protect against negative voltage undershoot. The device is a direct replacement for the classic 7404 and 74LS04 from any manufacturer, using the industry-standard pinout where each gate has its input on an odd pin and its output on the adjacent even pin. The N suffix denotes the PDIP-14 through-hole package.","working_principle":"Each of the six inverters in the SN74LS04N is a simple single-input logic gate that performs the NOT function. When the input voltage is at a logic HIGH level (above 2.0V), the output drives LOW (typically 0.2V, max 0.4V at 8mA sink). When the input is at a logic LOW level (below 0.8V), the output drives HIGH (typically 3.4V, min 2.7V at -0.4mA source). The totem-pole output stage can actively drive both HIGH and LOW levels, unlike open-collector outputs that require external pull-up resistors. The 10ns propagation delay means the output transitions approximately 10ns after the input crosses the switching threshold. The six gates are completely independent\u2014each can be used for a different function in the circuit. Common configurations include: (1) single inversion, (2) double inversion (two gates in series) as a buffer\/delay element, (3) three gates in series for odd inversion + delay, and (4) two gates with feedback for a simple oscillator.","pin_description":"\n
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>\n
      1<\/td>1A<\/td>Input<\/td>Gate 1 input<\/td><\/tr>\n
      2<\/td>1Y<\/td>Output<\/td>Gate 1 output (inverted)<\/td><\/tr>\n
      3<\/td>2A<\/td>Input<\/td>Gate 2 input<\/td><\/tr>\n
      4<\/td>2Y<\/td>Output<\/td>Gate 2 output (inverted)<\/td><\/tr>\n
      5<\/td>3A<\/td>Input<\/td>Gate 3 input<\/td><\/tr>\n
      6<\/td>3Y<\/td>Output<\/td>Gate 3 output (inverted)<\/td><\/tr>\n
      7<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>\n
      8<\/td>4Y<\/td>Output<\/td>Gate 4 output (inverted)<\/td><\/tr>\n
      9<\/td>4A<\/td>Input<\/td>Gate 4 input<\/td><\/tr>\n
      10<\/td>5Y<\/td>Output<\/td>Gate 5 output (inverted)<\/td><\/tr>\n
      11<\/td>5A<\/td>Input<\/td>Gate 5 input<\/td><\/tr>\n
      12<\/td>6Y<\/td>Output<\/td>Gate 6 output (inverted)<\/td><\/tr>\n
      13<\/td>6A<\/td>Input<\/td>Gate 6 input<\/td><\/tr>\n
      14<\/td>VCC<\/td>Power<\/td>Supply (4.75V to 5.25V)<\/td><\/tr>\n<\/table>\n

      SN74LS04N uses the PDIP-14 package with standard hex inverter pinout: VCC at Pin 14, GND at Pin 7. Six independent inverters: Inv 1 (Pin 1 in, Pin 2 out), Inv 2 (Pin 3 in, Pin 4 out), Inv 3 (Pin 5 in, Pin 6 out), Inv 4 (Pin 9 in, Pin 8 out), Inv 5 (Pin 11 in, Pin 10 out), Inv 6 (Pin 13 in, Pin 12 out). This is the most widely used pinout for 14-pin hex inverters across all logic families. For Schmitt-trigger version, use SN74LS14N. For open-collector, use SN74LS05N. Propagation delay is typically 10ns for LS technology at 5V supply.<\/p>","application_scenarios":"

        \n
      • Signal Inversion:<\/strong> Convert active-HIGH to active-LOW signals for driving active-LOW chip selects or enable pins<\/li>\n
      • Clock Complement:<\/strong> Generate complementary clock for push-pull or H-bridge gate drive<\/li>\n
      • Crystal Oscillator:<\/strong> Two inverters with feedback crystal and capacitors form a Pierce oscillator<\/li>\n
      • RC Oscillator:<\/strong> Two inverters with resistor feedback and RC timing create a simple square-wave generator<\/li>\n
      • Logic Delay:<\/strong> Two gates in series provide ~20ns delay without inversion; useful for timing alignment<\/li>\n<\/ul>","alternative_models":"\n
        Model<\/th>Manufacturer<\/th>Key Difference<\/th>Package<\/th>Supply<\/th><\/tr>\n
        74LS04N<\/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
        74LS04D<\/td>TI\/Nexperia<\/td>Surface-mount SOIC version of LS with identical logic function<\/td>SOIC-14<\/td>5V TTL<\/td><\/tr>\n
        74HC04D<\/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
        74HC04N<\/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
        74HCT04D<\/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
        74HCT04N<\/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
        74AC04D<\/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
        74AC04N<\/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
        74LVC04D<\/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
        74LVC04N<\/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
        74AUP04D<\/td>TI\/Nexperia<\/td>Ultra-low power CMOS with 0.8-3.6V supply for battery-powered and mobile applications<\/td>SOIC-14<\/td>0.8-3.6V CMOS<\/td><\/tr>\n
        74AUP04N<\/td>TI\/Nexperia<\/td>Through-hole DIP version of AUP family for prototyping and repair<\/td>DIP-14<\/td>0.8-3.6V CMOS<\/td><\/tr>\n<\/table>\n

        The 7404 is a Hex Inverter. 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\/7902","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=7902"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7902\/revisions"}],"predecessor-version":[{"id":8200,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7902\/revisions\/8200"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=7902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=7902"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=7902"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=7902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}