74F377 Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

74F377

Octal D-Type Flip-Flop with Clock Enable

Fairchild Semiconductor 

Unit Loading/Fan Out

Pin Names

Description

D0–D7

CE

CP

Q0–Q7

Data Inputs

Clock Enable (Active LOW)

Clock Pulse Input

Data Outputs

Mode Select-Function Table

U.L.

HIGH/LOW

1.0/1.0

1.0/1.0

1.0/1.0

50/33.3

Input IIH/IIL

Output IOH/IOL

20 µA/−0.6 mA

20 µA/−0.6 mA

20 µA/−0.6 mA

−1 mA/20 mA

Inputs

Operating Mode

Load “1”

Load “0”

Hold

CP

CE



I



I



h

(Do Nothing)

X

H

H = HIGH Voltage Level

h = HIGH Voltage Level one setup time prior to the LOW-to-HIGH Clock Transition

L = LOW Voltage Level

I = LOW Voltage Level one setup time prior to the LOW-to-HIGH Clock Transition

X = Immaterial

= LOW-to-HIGH Clock Transition

Logic Diagram

Output

Dn

Qn

h

H

I

L

X

No Change

X

No Change

Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.

www.fairchildsemi.com

2

Share Link: