MC14044BD

MC14043B, MC14044B CMOS MSI Quad RS Latches The MC14043B and MC14044B quad RS latches are constructed with MOS PChannel and NChannel enhancement mode devices in a single monolithic structure. Each latch has an independent Q output MC14043B, MC14044B PIN ASSIGNMENT MC14043B MC14044B Q3 1 16 V Q3 1 16 V DD DD Q0 2 15 R3 NC 2 15 S3 R0 3 14 S3 S0 3 14 R3 S0 4 13 NC R0 4 13 Q0 E 5 12 S2 E 5 12 R2 S1 6 11 R2 R1 6 11 S2 R1 7 10 Q2 S1 7 10 Q2 V 8 9 Q1 V 8 9 Q1 SS SS NC = NO CONNECTION MC14043B MC14044B 4 4 2 13 S0 R0 Q0 Q0 3 3 R0 S0 6 6 9 9 S1 R1 Q1 Q1 7 7 V = PIN 16 V = PIN 16 DD DD R1 S1 V = PIN 8 V = PIN 8 SS SS 12 12 NC = PIN 13 NC = PIN 2 10 10 S2 R2 Q2 Q2 11 11 R2 S2 14 14 1 TRUTH TABLE 1 TRUTH TABLE S3 R3 Q3 Q3 SR E Q S REQ XX 0 High XX 0 High Impedance Impedance 15 15 R3 S3 0 0 1 No Change 0 0 1 0 0 1 1 0 0 1 1 1 5 1 0 1 1 5 1 0 1 0 1 1 1 1 1 1 1 No Change ENABLE ENABLE X = Dont Care X = Dont Care