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54F191LMQB

54F191LMQB Description

Up/Down Binary Counter with Preset and Ripple Clock

54F191LMQB Categories

Counters

54F191LMQB Manufacturer

National Semiconductor

54F191LMQB Datasheet (PDF)

54F191LMQB Datasheet
54F191LMQB Datasheet

54F191LMQB Price & Availability


Check 54F191LMQB Price & Availability at Canics

54F191LMQB Features

  • High-Speed-125 MHz typical count frequency
  • Synchronous counting
  • Asynchronous parallel load
  • Cascadable

54F191LMQB Description

    The 'F191 is a reversible modulo-16 binary counter featuring synchronous counting and asynchronous presetting. The preset feature allows the 'F191 to be used in programmable dividers. The Count Enable input, the Terminal Count output and Ripple Clock output make possible a variety of methods of implementing multistage counters. In the counting modes, state changes are initiated by the rising edge of the clock.

    54F191LMQB Parameters

    StatusFull production
    PackageLCC
    Temperature Min (deg C)-55
    Temperature Max (deg C)125
    Pins20
    Pricing$11.80
    Select parameters and click to see components with these parameters.

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