74HCU Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza

componentes Descripción

fabricante

74HCU

FAMILY SPECIFICATIONS HCMOS family characteristics

Philips Electronics 

Philips Semiconductors

HCMOS family characteristics

tTHL Output transition time; the time between two

specified reference points on a waveform,

normally 90% and 10% points, that is changing

from HIGH-to-LOW.

tTHL Output transition time; the time between two

specified reference points on a waveform,

normally 10% and 90% points, that is changing

from LOW-to-HIGH.

tW

Pulse width; the time between the 50%

amplitude points on the leading and trailing

edges of a pulse for 74HC and 74HCU devices

and at the 1.3 V points for 74HCT devices.

FAMILY SPECIFICATIONS

March 1988

19

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