{"id":3390,"date":"2026-06-04T04:21:44","date_gmt":"2026-06-04T04:21:44","guid":{"rendered":"https:\/\/materialparts.com\/sn74avc2t245rswr\/"},"modified":"2026-06-04T04:21:44","modified_gmt":"2026-06-04T04:21:44","slug":"sn74avc2t245rswr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/sn74avc2t245rswr\/","title":{"rendered":"SN74AVC2T245RSWR"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The SN74AVC2T245RSWR from Texas Instruments is a dual-bit dual-supply bus transceiver with configurable voltage translation and 2 independent direction-control pins in a 10-pin UQFN (1.8 x 1.4mm) package. Each channel has independent direction control, supporting 500Mbps data rate for 1.8V-to-3.3V level shifting.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Number of Bits<\/td>\n2<\/td>\n<\/tr>\n
Direction Control<\/td>\n2 independent DIR pins<\/td>\n<\/tr>\n
Data Rate (max)<\/td>\n500 Mbps (1.8V to 3.3V)<\/td>\n<\/tr>\n
VCCA Range<\/td>\n1.2V to 3.6V<\/td>\n<\/tr>\n
VCCB Range<\/td>\n1.2V to 3.6V<\/td>\n<\/tr>\n
I\/O Voltage Tolerance<\/td>\n4.6V (over-voltage tolerant)<\/td>\n<\/tr>\n
Supply Current (max)<\/td>\n16 \u00b5A<\/td>\n<\/tr>\n
\u062f\u0639\u0645 Ioff<\/td>\nYes (partial power-down)<\/td>\n<\/tr>\n
VCC Isolation<\/td>\nYes (both ports Hi-Z if either VCC = GND)<\/td>\n<\/tr>\n
ESD Protection<\/td>\n5000V HBM<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 to +85\u00b0C<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nUQFN-10 (RSW suffix)<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 2-bit dual-supply transceiver with configurable level shifting<\/li>\n
  • 2 independent DIR pins for per-channel direction control<\/li>\n
  • 500Mbps at 1.8V to 3.3V; 240Mbps at 1.2V translation<\/li>\n
  • Both ports operate over full 1.2V to 3.6V range<\/li>\n
  • 4.6V tolerant I\/Os<\/li>\n
  • Control inputs referenced to VCCA<\/li>\n
  • VCC isolation \u2014 both ports Hi-Z if either supply is GND<\/li>\n
  • Ioff for partial power-down support<\/li>\n
  • 3-state outputs<\/li>\n
  • 100mA latch-up (JESD 78 Class II)<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • JTAG level translation<\/li>\n
    • Multi-voltage bus bridging<\/li>\n
    • FPGA\/CPU interface voltage adaptation<\/li>\n
    • Portable device mixed-voltage communication<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SN74AVC2T245RSWR from Texas Instruments is a dual-bit dual-supply bus transceiver with configurable voltage translation and 2 independent direction-control pins in a 10-pin UQFN (1.8 x 1.4mm) package. Each channel has independent direction control, supporting 500Mbps data rate for 1.8V-to-3.3V level shifting. Key Specifications Number of Bits 2 Direction Control 2 independent DIR […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[138],"class_list":["post-3390","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"2-bit dual-supply transceiver, 2 DIR pins, 500Mbps, 1.2-3.6V, UQFN-10","date_code":"","package_case":"UQFN-10 \/ RSW-10 (1.80 x 1.40 x 0.5mm, 0.4mm pitch)","in_stock":6200,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/sn74avc2t245.pdf","price":"$0.41 @ 1ku","product_introduction":"The SN74AVC2T245RSWR from TI is a 2-bit dual-supply bus transceiver with independent direction control per channel in UQFN-10 (1.8x1.4mm). Each port operates from 1.2-3.6V with 4.6V tolerant I\/Os. 500Mbps data rate for 1.8V-to-3.3V translation. Two DIR pins (DIR1, DIR2) allow each channel to operate independently. RSW suffix denotes UQFN-10, R suffix denotes tape-and-reel. Ideal for JTAG and multi-voltage bus bridging in space-constrained applications.","working_principle":"The SN74AVC2T245 uses direction-controlled architecture where each of the two channels has its own DIR pin. When DIR is high, data flows from A port to B port; when DIR is low, data flows from B port to A port. The OE pin (referenced to VCCA) enables or disables both channels simultaneously \u2014 when OE is high, both output ports are in 3-state (Hi-Z). The dual-supply architecture allows each port to operate at a different voltage, with the voltage translation occurring internally. The 4.6V tolerant I\/Os allow connection to higher-voltage nodes even when VCC is as low as 1.2V. The VCC isolation feature ensures both ports enter Hi-Z if either VCC is at GND, critical for hot-swap and power-sequencing scenarios.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>VCCA<\/td>Power<\/td>A-port supply (1.2-3.6V)<\/td><\/tr>
      2<\/td>A1<\/td>I\/O<\/td>A-port data bit 1<\/td><\/tr>
      3<\/td>A2<\/td>I\/O<\/td>A-port data bit 2<\/td><\/tr>
      4<\/td>OE#<\/td>Input<\/td>Output enable (active low, referenced to VCCA)<\/td><\/tr>
      5<\/td>GND<\/td>Ground<\/td>Ground<\/td><\/tr>
      6<\/td>DIR2<\/td>Input<\/td>Direction control channel 2 (referenced to VCCA)<\/td><\/tr>
      7<\/td>VCCB<\/td>Power<\/td>B-port supply (1.2-3.6V)<\/td><\/tr>
      8<\/td>B2<\/td>I\/O<\/td>B-port data bit 2<\/td><\/tr>
      9<\/td>B1<\/td>I\/O<\/td>B-port data bit 1<\/td><\/tr>
      10<\/td>DIR1<\/td>Input<\/td>Direction control channel 1 (referenced to VCCA)<\/td><\/tr><\/table>","application_scenarios":"
      • JTAG TDI\/TDO level translation between 1.8V MCU and 3.3V JTAG header<\/li>
      • Dual-channel SPI MOSI\/MISO voltage bridging with independent directions<\/li>
      • 1.2V FPGA to 3.3V peripheral bus adapter at 500Mbps<\/li>
      • Portable device I2C-over-USB bridge with voltage adaptation<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>SN74AVC2T245DCUR<\/td>UCSP-10<\/td>Smaller 1.45x1.0mm package<\/td><\/tr>
        TI<\/td>SN74AVC4T245RSWR<\/td>UQFN-16<\/td>4-bit version with same architecture<\/td><\/tr>
        NXP<\/td>74AVC2T245GF<\/td>XQFN-10<\/td>Pin-compatible alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=3390"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3390\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=3390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=3390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=3390"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=3390"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}