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SN74LV21A技术文档下载：
SN74LV21A - 产品图解：
SN74LV21A - 双路 4 输入正与门
SN74LV21A是TI公司的一款与门产品，SN74LV21A是双路 4 输入正与门，本页介绍了SN74LV21A的产品说明、应用、特性等，并给出了与SN74LV21A相关的TI元器件型号供参考。
SN74LV21A - 双路 4 输入正与门 - 与门 - 门 - TI公司（Texas Instruments，德州仪器）
产品描述
These dual 4-input positive-AND gates are designed for 2-V to 5.5-V VCC operation.
The 'LV21A devices perform the Boolean function Y = A • B 1 C • D or Y = (A\ + B\ + C\ + D\)\ in positive logic.
These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down.
产品特性
- 2-V to 5.5-V VCC Operation
- Max tpd of 6 ns at 5 V
- Typical VOLP (Output Ground Bounce) <0.8 V at VCC, TA = 25°C
- Typical VOHV (Output VOH Undershoot) >2.3 V at VCC, TA = 25°C
- Ioff Supports Partial-Power-Down Mode Operation
- Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)
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