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DM54123 Datasheet Dual Retriggerable One-shot With Clear And Complementary Outputs

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: DM54123 DM74123 Dual Retriggerable One-Shot with Clear and Complementary Outputs March 1993 DM54123 DM74123 Dual Retriggerable One-Shot with Clear and Complementary.

General Description

The ’123 is a dual retriggerable monostable multivibrator capable of generating output pulses from a few nano-seconds to extremely long duration up to 100% duty cycle Each device has three inputs permitting the choice of either leading-edge or trailing edge triggering Pin (A) is an activelow transition trigger input and pin (B) is an active-high transition trigger input A low at the clear (CLR) input terminates the output pulse which also inhibits triggering An internal connection from CLR to the input gate makes it possible to trigger the circuit by a positive-going signal on CLR as shown in the truth table To obtain the best and trouble free operation from this device please read the operating rules as well as the NSC one – shot application notes carefully and observe recommendations

Key Features

  • Y Y Y Y Y Y DC triggered from active-high transition or active-low transition inputs Retriggerable to 100% duty cycle Direct reset terminates output pulse Compensated for VCC and temperature variations DTL TTL compatible Input clamp diodes Functional.

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