Dual 4-Input Positive-AND Gate
These dual 4-input positive-AND Gates SN74LV21A 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.
By Texas Instruments
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|SN74LV21A Application Notes||SN74LV21A RoHS||SN74LV21A Circuits||SN74LV21A footprint|