74HC534 datasheet(8/13 Pages) PHILIPS

부품명	74HC534

상세설명	Octal D-type flip-flop; positive edge-trigger; 3-state; inverting

PDF	13 Pages

Scroll/Zoom	100%

제조업체	PHILIPS [NXP Semiconductors]

홈페이지	http://www.nxp.com

Logo

8 / 13 page

1998 Apr 10

Philips Semiconductors

Product speciﬁcation

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

3-state; inverting

74HC/HCT534

AC WAVEFORMS

Fig.6

Waveforms showing the clock (CP) to output (Qn) propagation delays, the clock pulse width, 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.

dbook, full pagewidth

MGM959

tPHL

1/fmax

tPLH

(1)

CP INPUT

Qn OUTPUT

tTHL

tTLH

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.

andbook, full pagewidth

MGM961

tPLZ

tPHZ

outputs

disabled

outputs

enabled

90%

10%

outputs

enabled

OE INPUT

(1)

tPZL

tPZH

(1)

Qn OUTPUT

LOW-to-OFF

OFF-to-LOW

Qn OUTPUT

HIGH-to-OFF

OFF-to-HIGH

90%

10%

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