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Hitachi Semiconductor - Dual 4-input Positive AND Gates

Numéro de référence HD74LV21A
Description Dual 4-input Positive AND Gates
Fabricant Hitachi Semiconductor 
Logo Hitachi Semiconductor 





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HD74LV21A fiche technique
HD74LV21A
Dual 4-input Positive AND Gates
ADE-205-255 (Z)
1st Edition
March 1999
Description
The HD74LV21A performs the Boolean functions Y = A•B•C•D or Y = A+B+C+D in positive logic.
Low-voltage and high-speed operation is suitable for the battery-powered products (e.g., notebook
computers), and the low-power consumption extends the battery life.
Features
VCC = 2.0 V to 5.5 V operation
All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
All outputs VO (Max.) = 5.5 V (@VCC = 0 V)
Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25°C)
Output current ±6 mA (@VCC = 3.0 V to 3.6 V), ±12 mA (@VCC = 4.5 V to 5.5 V)
Function Table
Inputs
A B C D Output Y
H H H HH
L X X XL
X L X XL
X X L XL
X X X LL
Note: H: High level
L: Low level
X: Immaterial

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