74HCT574PW datasheet(7/7 Pages) PHILIPS

Numer części	74HCT574PW

Szczegółowy opis	Octal D-type flip-flop; positive edge-trigger; 3-state

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Producent	PHILIPS [NXP Semiconductors]

Strona internetowa	http://www.nxp.com

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7 / 7 page

December 1990

7

Philips Semiconductors

Product speciﬁcation

Octal D-type ﬂip-ﬂop; positive edge-trigger;

3-state

74HC/HCT574

AC WAVEFORMS

Fig.6

Waveforms showing the clock input (CP)

pulse width, the CP input to output (Qn)

propagation delays, the output transition

times and the maximum clock pulse

frequency.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.7

Waveforms showing the 3-state enable and

disable times.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.8

Waveforms showing the data set-up and

hold times for Dn input to CP input.

The shaded areas indicate when the input is permitted

to change for predictable output performance.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

PACKAGE OUTLINES

See

“74HC/HCT/HCU/HCMOS Logic Package Outlines”.

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