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SN74LV245ARGYR
 型號:  SN74LV245ARGYR
 標記/絲印/代碼/打字:  LV245A
 廠家:  TEXAS
 封裝:  VFQFN-20
 批號:  05+
 庫存數量:  272
 所屬分類:  集成電路ICIntegrated Circuit(IC)
  邏輯電路Logic circuit
    總線收發器Bus Transceiver
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SN74LV245ARGYR LV245A 的參數

邏輯類型 Logic Type 收發器,非反相 Transceiver, Non-Inverting
元件數 Number of Elements 1
每元件位數 Number of Bits per Element 8
2 V ~ 3.6 V
電源電壓 Voltage - Supply 16mA,16mA
輸出高電平,低電平電流 Current - Output High, Low OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS description/ordering information (continued) The ’LV245A devices are designed for asynchronous communication between data buses. The device transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are effectively isolated. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. These devices are fully specified for partial-power-down applications using Ioff The Iof circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down. 2-V to 5.5-V VCC Operation Max tpd of 6.5 ns at 5 V Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C Typical VOHV (Output VOH Undershoot) >2.3 V at VCC = 3.3 V, TA = 25°C Support Mixed-Mode Voltage Operation on All Ports off Supports Partial-Power-Down Mode Operation Latch-Up Performance Exceeds 250 mA Per JESD 17 ESD Protection Exceeds JESD 22 2000-V Human-Body Model (A114-A) 200-V Machine Model (A115-A) 1000-V Charged-Device Model (C101
Description & Applications 具有三態輸出的八路總線收發器 描述/訂購信息(續) 'LV245A設備是專為數據總線之間的異步通信。該裝置 發送數據從A總線到B總線或從B總線到A總線,這取決于對邏輯電平 方向控制(DIR)輸入。輸出使能(OE)輸入可用于禁用設備,以便巴士 有效隔離。 為了確保在開機或斷電高阻抗狀態,OE應當連接到VCC通過上拉 電阻,電阻的最小值確定的驅動器的電流吸收能力。 這些器件是完全指定部分斷電應用程序使用IOFF IOF電路將禁用 輸出,防止損壞電流回流通過這些器件的時候都 斷電。 “2 V至5.5 V的VCC操作 最大5 V時為6.5 ns噸 典型的VoIP(輸出地彈跳) <0.8 V在VCC =3.3 V,TA= 25°C 典型的VOHV(輸出VOH沖) >2.3 V在VCC =3.3 V,TA= 25°C 支持混合模式的工作電壓 關閉所有端口支持部分掉電模式 手術 閉鎖性能超過250 mA每 JESD17 ESD保護超過JESD22 2000-V人體模型(A114-A) 200-V機型號(A115-A) 1000-V帶電器件模型(C101“
描述與應用
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