MC14521BFELG

Timing:	--
Base Part Number:	4521
Supplier Device Package:	16-SOEIAJ
Package / Case:	16-SOIC (0.209", 5.30mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Voltage - Supply:	3V ~ 18V
Trigger Type:	Negative Edge
Count Rate:	12MHz
Series:	4000B
Reset:	Asynchronous
Number of Bits per Element:	24
Number of Elements:	1
Direction:	--
Logic Type:	Divide-by-2
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The MC14521BFELG is a high voltage logic device designed for use in a variety of applications. It is a logic counter, which can be used for counting pulses, signals, or for dividing clock frequencies. It requires external circuitry for reset, count enable, and output synchronization.The MC14521B uses a single stage switching circuit to produce a two-bit counter. The counter has two output pins, X and Y, which can either be interconnected or kept separate depending on the circuit design. The X output pin generates a logic 0 when the count is odd and a logic 1 when the count is even. The Y output pin generates a logic 1 when the count is odd and a logic 0 when the count is even. The number of counts is determined by the external circuitry, which sets the count enable signal.The MC14521B is a high-voltage device, and as such, is suitable for applications requiring higher power levels. It can operate at up to 16V, allowing for increased compatibility with various electrical markets.The MC14521B is available in various versions, with different voltage thresholds and count speeds. All versions uses an asynchronous reset input which resets the count value to zero.The MC14521B uses a CMOS logic type for its operation. The CMOS logic type provides a wide noise margin and long operating life due to its low power consumption. Additionally, the CMOS logic works well in low-voltage applications, making the MC14521B a good candidate for creating high-voltage applications.The device uses two external capacitors to define its active time delay, known as the "pulse width." The length of the pulse width can be adjusted by varying the value of the external capacitors.The MC14521B is widely used in embedded systems and industrial components, such as motor controllers, level indicators, and robotics. It is also used in some medical applications, such as ECG monitors and anesthesia machines. The MC14521B is an ideal device for applications requiring high voltage, asynchronous counting, or pulse width modulation.In summary, the MC14521BFELG is a high-voltage logic device designed for various applications, providing accurate asynchronous counting and pulse width modulation capabilities. It is a logic counter with two output pins, X and Y, which can be kept separate or interconnected depending on the circuit design. The MC14521B is suitable for a variety of applications due to its high voltage and robust CMOS logic type.

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