SN74LV3T99
- Wide operating range of 1.65V to 5.5V
- 5.5V tolerant input pins
- Single-supply voltage
translator (refer to LVxT Enhanced Input Voltage):
- Up translation:
- 1.2V to 1.8V
- 1.5V to 2.5V
- 1.8V to 3.3V
- 3.3V to 5.0V
-
Down translation:
- 5.0V, 3.3V, 2.5V to 1.8V
- 5.0V, 3.3V to 2.5V
- 5.0V to 3.3V
- Up translation:
- Up to 150Mbps with 5V or 3.3V VCC
- Supports standard function pinout
- Latch-up performance exceeds 100mAper JESD 17
The SN74LV3T99 device contains three independent configurable logic gates with 3-state outputs. Each gate has four inputs and performs the Boolean function Y = (A • C + B • C) ⊕ D. All inputs include Schmitt-triggers, eliminating any erroneous data outputs due to slow-edged or noisy input signals. The user can choose logic functions, such as MUX, AND, OR, NAND, NOR, XOR, XNOR, inverter, and buffer by connecting the inputs A, B, C, and D appropriately.
The input is designed with a reduced threshold circuit to support up translation when the supply voltage is larger than the input voltage. Additionally, the 5V tolerant input pins enable down translation when the input voltage is larger than the supply voltage. The output level is always referenced to the supply voltage (VCC) and supports 1.8V, 2.5V, 3.3V, and 5V CMOS levels.
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技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | SN74LV3T99 Ultra-Configurable Multiple-Function Gates with 3-State Outputs and Logic-Level Shifter datasheet | PDF | HTML | 2025/11/21 |
設計與開發
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