74HCT374 データシートの表示（PDF） - Philips Electronics

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74HCT374

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

Philips Electronics 

Philips Semiconductors

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

3-state

AC WAVEFORMS

Product specification

74HC/HCT374

(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.

(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.

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.

Fig.8 Waveforms showing the data set-up and hold times for Dn input.

December 1990

7

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