BU4015B
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 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
RESET
Q0A RESET A DA
5 Q 0 Q1 Q2 Q3 6 CL R D
Q1B Q2B
Q3A CLOCK A
- Truth table
CLOCK D L H X X
X : Irrelevant
RESET L L L H
Q0 L H
Q1 Q0 Q0
Q2 Q1 Q1
Q3 Q2 Q2
No Change L L L L
Standard ICs
BU4015B / BU4015BF
= 0V, Ta = 25°C)
Symbol VDD Pd Topr Tstg VIN Limits
- 0.3 ~ + 18 1000 (DIP), 500 (SOP)
- 40 ~ + 85
- 55 ~ +...
