74HC534N Просмотр технического описания (PDF) - Philips Electronics

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производитель

74HC534N

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

Philips Electronics 

Philips Semiconductors

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

3-state; inverting

AC WAVEFORMS

Product specification

74HC/HCT534

dbook, full pagewidth

CP INPUT

Qn OUTPUT

1/fmax

VM(1)

tW

tPHL

VM(1)

tTHL

tPLH

tTLH MGM959

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

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

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.

andbook, full pagewidth

OE INPUT

10%

tr

90%

VM(1)

tPLZ

Qn OUTPUT

LOW-to-OFF

OFF-to-LOW

Qn OUTPUT

HIGH-to-OFF

OFF-to-HIGH

tPHZ

10%

90%

outputs

enabled

tf

tPZL

VM(1)

tPZH

VM(1)

outputs

disabled

outputs

enabled

MGM961

(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.

1998 Apr 10

8

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