BU4028 Datasheet | ROHM

Features - 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 1LS-TTL input. - Block diagram Q4 1 16 VDD 15 Q3 Q4 Q2 Q0 3 Q0 Q7 4 Q7 Q9 Q5 Q5 Q6 6 Q6 Q8 7 10 A 9 Q8 Q1 B C D A 11 D 13 B Q3 14 Q1 Q2 2 - Logic circuit diagram Q0 Q1 A B Q4 Q5 C Q6 Q7 IN D Q8 Q9 Q2 Q3 Q9 12 C Standard ICs BA4028B - Truth table INPUT D L L L L L L L L H H H H H H H H C L L L L H H H H L L L L H H H H B L L H H L L H H L L H H L L H H A L H L H L H L H L H L H L H L H Q9 L L L L L L L L L H L L L L L L Q8 L L L L L L L L H L L L L L L L Q7 L L L L L L L H L L L L L L L L Q6 L L L L L L H L L L L L L L L L OUTPUT Q5 L L L L L H L L L L L L L L L L Q4 L L L L H L L L L L L L L L L L Q3 L L L H L L L L L L L L L L L L Q2 L L H L L L L L L L L L L L L L Q1 L H L L L L L L L L L L L L L L Q0 H L L L L L L L L L L L L L L L - Absolute maximum ratings (Ta = 25°C, V Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Input voltage Symbol VDD Pd Topr Tstg VIN = 0V) Limits - 0.3 ~ + 18 1000 (DIP) - 40 ~ + 85 - 55 ~ + 150 - 0.3 ~ VDD + 0.3 Unit V m W °C °C V Standard ICs Electrical characteristics - DC characteristics (unless otherwise noted, Ta = 25°C, V Parameter Symbol Min. 3.5 Input high level voltage VIH 7.0 11.0 - Input low level voltage VIL - - Input high level current Input low level current IIH IIL - - 4.95 Output high level voltage VOH 9.95 14.95 - Output low level voltage VOL - - - 0.16 Output high level current IOH - 0.4 - 1.2 0.44 Output low level current IOL 1.1 3.0 - Static current dissipation IDD - - Typ. - -...