1) Low power dissipation. 2) Wide range of operating power supply voltages. 3) High input impedance. 4) High fan-out. 5) Direct drive of 2 L-TTL inputs and 1 LS-TTL input.
Block diagram
CLOCK B Q3B 1 16 VDD 2 CL Q2B 3 R D 14 RESET B Q0B 15 DB.
Logic circuit diagram
Q0 Q1 Q2 Q3 D
D Q D Q D Q D Q CLR Q CLR Q CLR Q CLR Q
CLOCK
Q3 Q2 Q1 Q0
Q1A
4
13
RESET
Q0A RESET A DA
5 Q 0 Q1 Q2 Q3 6 CL R D
12
Q1B Q2B
11
7
10
Q3A CLOCK A
VSS
8
9.
