74HC377 データシートの表示（PDF） - Philips Electronics

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74HC377

Octal D-type flip-flop with data enable; positive-edge trigger

Philips Electronics 

Philips Semiconductors

Octal D-type flip-flop with data enable;

positive-edge trigger

AC WAVEFORMS

Product specification

74HC/HCT377

(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.

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.7 Waveforms showing the data set-up and hold times from the data input (Dn) and from the data enable input

(E) to the clock (CP).

PACKAGE OUTLINES

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

December 1990

7

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