(PDF) BU4015BF Datasheet - Dual 4-bit static shift register

Número de pieza	BU4015BF
Descripción	Dual 4-bit static shift register
Fabricantes	ROHM Semiconductor
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No Preview Available ! Standard ICs Dual 4-bit static shift register BU4015B / BU4015BF The BU4015B and BU4015BF are 4-stage static shift registers, each consisting of two circuits. The D flip-flops for each stage share a common reset input, enabling external asynchronous reset at any point. Also, the flip-flops at each stage are triggered by the rising edge of the clock input. “H” level reset input resets the contents of all stages to “L”, regardless of the clock and data input, and sets data out- puts Q0 to Q3 to “L”. •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 1 B Q3B 2 Q2B 3 Q1A 4 Q0A 5 RESET 6 A DA 7 VSS 8 CL R D Q3 Q2 Q1 Q0 Q0 Q1 Q2 Q3 CL R D 16 VDD 15 DB 14 RESET B 13 Q0B 12 Q1B 11 Q2B 10 Q3A 9 CLOCK A •Logic circuit diagram Q0 Q1 Q2 Q3 D CLOCK RESET DQ CLR Q DQ CLR Q DQ CLR Q DQ CLR Q •Truth table CLOCK D L H X XX X : Irrelevant RESET L L L H Q0 L H L Q1 Q2 Q0 Q1 Q0 Q1 No Change LL Q3 Q2 Q2 L 1 1 page

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PDF BU4015BF Data sheet ( Hoja de datos )