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General Description

The CD4019BC is a complementary MOS quad AND-OR select gate. Low power and high noise margin over a wide voltage range is possible through implementation of N- and P-channel enhancement mode transistors. These comple mentary MOS (CMOS) transistors provide the building blocks for the 4 “AND-OR select” gate configurations, each consisting of two 2-input AND gates driving a single 2-input OR gate. Selection is accomplished by control bits KAand

KB. All inputs are protected against static discharge damage.

Features

■Wide supply voltage range: 3.0V to 15V

■High noise immunity: 0.45 VDD(typ.)

■Low power TTL compatibility: Fan out of 2 driving 74L or 1 driving 74LS

Applications

? AND-OR select gating

? Shift-right/shift-left registers

? True/complement selection

? AND/OR/EXCLUSIVE-OR selection