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Dual D-type Positive Edge-triggered Flip-flops ( With Preset And Clear )
The HD74LS74AP is a dual D-type flip-flop with set and reset logic from Hitachi. It is a 14-pin dual in-line package (DIP) integrated circuit (IC).
Description:
The HD74LS74AP is a dual D-type flip-flop with set and reset logic. It has two data inputs (D1 and D2), two clock inputs (CP1 and CP2), two set inputs (S1 and S2), two reset inputs (R1 and R2), two outputs (Q1 and Q2), and two complementary outputs (Q1 and Q2). It is a positive-edge triggered device, meaning that the outputs will change on the rising edge of the clock signal.
Features:
High-speed operation: tpd = 10 ns (typ.)
Low power dissipation: ICC = 4 mA (max.)
High noise immunity: VNIH = VNIL = 28% VCC (min.)
High output current: IOH = 4 mA (min.), IOL = 8 mA (max.)
Wide operating voltage range: VCC (opr) = 2 to 6 V
Applications:
The HD74LS74AP is commonly used in digital logic circuits, such as counters, shift registers, and memory circuits. It is also used in microprocessor-based systems as a data storage element.
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