{"id":10704,"date":"2026-07-20T10:41:27","date_gmt":"2026-07-20T10:41:27","guid":{"rendered":"https:\/\/ic-vendor.com\/sn74lvc2g34dctr\/"},"modified":"2026-07-20T10:41:27","modified_gmt":"2026-07-20T10:41:27","slug":"sn74lvc2g34dctr","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/sn74lvc2g34dctr\/","title":{"rendered":"SN74LVC2G34DCTR"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The SN74LVC2G34DCTR is a dual buffer gate from Texas Instruments, belonging to the LVC (Low-Voltage CMOS) logic family. Packaged in a compact 8-pin VSSOP (DC) package, this device operates from 1.65 V to 5.5 V and provides two independent non-inverting buffer channels. It is designed for high-speed signal buffering and voltage-level translation in mixed-voltage digital systems.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n
Logic Function<\/td>\nDual Buffer (Non-Inverting)<\/td>\n<\/tr>\n
Supply Voltage Range<\/td>\n1.65 V \u81f3 5.5 V<\/td>\n<\/tr>\n
\u901a\u9053\u6570<\/td>\n2<\/td>\n<\/tr>\n
Max Propagation Delay<\/td>\n3.3 ns at 5 V<\/td>\n<\/tr>\n
Output Drive Current<\/td>\n\u00b124 mA at 3.3 V<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n8-VSSOP (DC) \u2014 3.0 x 4.9 mm<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
Ioff \u652f\u6301<\/td>\nYes (Partial Power-Down)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Wide supply voltage range from 1.65 V to 5.5 V for mixed-voltage designs<\/li>\n
  • Over-voltage tolerant inputs accept up to 5.5 V<\/li>\n
  • Ioff circuitry supports live insertion and partial-power-down mode<\/li>\n
  • Low power consumption with 10 \u00b5A max ICC<\/li>\n
  • ESD protection exceeds 2000-V HBM and 1000-V CDM<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Voltage-level translation between 1.8 V, 2.5 V, 3.3 V, and 5 V buses<\/li>\n
    • Signal buffering in mixed-voltage digital systems<\/li>\n
    • Portable and battery-powered electronics<\/li>\n
    • Computing and networking equipment<\/li>\n
    • Industrial control logic interfaces<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SN74LVC2G34DCTR is a dual buffer gate from Texas Instruments, belonging to the LVC (Low-Voltage CMOS) logic family. Packaged in a compact 8-pin VSSOP (DC) package, this device operates from 1.65 V to 5.5 V and provides two independent non-inverting buffer channels. It is designed for high-speed signal buffering and voltage-level translation in […]<\/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],"tags":[2045],"chip_brand":[138],"class_list":["post-10704","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","tag-sn74lvc2g34dctr","chip_brand-ti"],"acf":{"brief_explanation":"Dual non-inverting buffer gate, 1.65\u20135.5 V, 2-channel, 8-VSSOP, LVC family","date_code":"","package_case":"8-VSSOP (DC) \u2014 3.0 x 4.9 mm","in_stock":4091,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/sn74lvc2g34.pdf","price":"$0.07 @ 1ku","product_introduction":"The SN74LVC2G34 is a dual buffer gate from Texas Instruments' LVC logic family, designed for 1.65-V to 5.5-V VCC operation. Each device contains two independent non-inverting buffers that perform the Boolean function Y = A. The device is fully specified for partial-power-down applications using Ioff, which prevents damaging current backflow when the device is powered down. Its over-voltage tolerant inputs and wide supply range make it ideal for voltage translation and signal buffering in mixed-voltage digital systems.","working_principle":"The SN74LVC2G34 operates as two independent non-inverting buffer channels. Each channel receives a digital input signal at its A pin and reproduces the same logic level at its Y output pin. The internal CMOS inverter pair provides high input impedance and low output impedance, enabling signal restoration and level shifting. The Ioff circuitry disconnects the output stage when VCC is removed, preventing parasitic current paths in multi-rail systems. Over-voltage tolerant input clamping allows the device to accept signals above VCC without latch-up.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>1A<\/td>Input<\/td>Data input for channel 1<\/td><\/tr>
      2<\/td>1Y<\/td>Output<\/td>Data output for channel 1<\/td><\/tr>
      3<\/td>GND<\/td>Power<\/td>Ground reference<\/td><\/tr>
      4<\/td>2A<\/td>Input<\/td>Data input for channel 2<\/td><\/tr>
      5<\/td>2Y<\/td>Output<\/td>Data output for channel 2<\/td><\/tr>
      6<\/td>VCC<\/td>Power<\/td>Positive supply voltage<\/td><\/tr>
      7<\/td>NC<\/td>\u2014<\/td>No connect<\/td><\/tr>
      8<\/td>NC<\/td>\u2014<\/td>No connect<\/td><\/tr><\/table>","application_scenarios":"
      • Voltage-level translation between 1.8 V and 3.3 V logic domains<\/li>
      • Signal buffering for long PCB trace runs in servers<\/li>
      • Interface bridging in portable consumer electronics<\/li>
      • Clock and data signal conditioning in embedded systems<\/li>
      • Hot-swap capable logic interfaces using Ioff feature<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>SN74LVC2G34DCKR<\/td>6-SC70<\/td>Smaller footprint, same function<\/td><\/tr>
        TI<\/td>SN74LVC2G34DCUR<\/td>8-VSSOP<\/td>Pin-compatible alternative<\/td><\/tr>
        Nexperia<\/td>74LVC2G34GW<\/td>6-TSSOP<\/td>Equivalent function<\/td><\/tr>
        onsemi<\/td>MC74LVC2G34DTT1G<\/td>6-TSSOP<\/td>Equivalent function<\/td><\/tr>
        Diodes Inc<\/td>74LVC2G34DW-7<\/td>8-SOIC<\/td>Equivalent function<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10704","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/comments?post=10704"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10704\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10704"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}