U74HCT21
DESCRIPTION
The U74HCT21 contains two independent 4-input AND gates. They perform the Boolean function Y=A
- B
- C
- D or Y=A + B + C + D in positive logic.
- FEATURES
- Operation Voltage Range: 4.5V~5.5V
- Low Quiescent Current: ICC=2μA(Max)
- High Speed: t PD=15ns @ 4.5V (Typ)
- Low Input Current:
100n A Max
- Inputs are TTL Voltage patiabel
CMOS IC
- ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
U74HCT21L-P14-T
U74HCT21G-P14-T
U74HCT21L-P14-R
U74HCT21G-P14-R
Package
TSSOP-14 TSSOP-14
Packing
Tube Tape Reel
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QW-R502-656.A
- PIN CONFIGURATION
1A 1B NC 1C 1D 1Y GND
1 2 3 4 5 6 7
14 VCC 13 2D 12 2C 11 NC 10 2B 9 2A 8 2Y
- FUNCTION TABLE
INPUT(A)
H L X X X
INPUT(B) H X L X X
- LOGIC DIAGRAM (positive logic)
INPUT(C)
H X X L...
