Логическая ИС HEF4528BP

IC , 4000 LOCMOS LOGIC

The HEF4528BP is a dual retriggerable-resettable Monostable Multivibrator with an active low input (nA) and active high input (nB), an active low clear direct input (nCD), an output (nQ) and its complement (nQ) and two external timing component connecting pins (nCEXT, always connected to ground and nREXT/CEXT). An external timing capacitor (CEXT) must be connected between nCEXT and nREXT/CEXT and an external resistor (REXT) must be connected between nREXT/CEXT and VDD. The output pulse duration is determined by the external timing components CEXT and REXT. A high-to-low transition on nA when nB is low or a low-to-high transition on nB when nA is high produces a positive pulse (low-high-low) on nQ and a negative pulse (high-low-high) on nQ if the nCD is high. A low on nCD forces nQ low, nQ high and inhibits any further pulses until nCD is high.

• Fully static operation
• Standardized symmetrical output characteristics
• Complies with JEDEC standard JESD 13-B

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