www.fairchildsemi.com 2
MM74HCT240 • MM74HCT244
Truth Tables
MM74HCT240
H HIGH Level L LOW Level Z High Impedance
MM74HCT244
Logic Diagrams
MM74HCT240 MM74HCT244
1G
1A 1Y 2G 2A 2Y
LLHLLH
LHLLHL
HLZHLZ
HHZHHZ
1G 1A 1Y 2G 2A 2Y
LLLLLL
LHHLHH
HLZHLZ
HHZHHZ
