54F377DM datasheet(2/8 Pages) NSC

部品番号	54F377DM

部品情報	Octal D Flip-Flop with Clock Enable

PDF	8 Pages

Scroll/Zoom	100%

メーカー	NSC [National Semiconductor (TI)]

ホームページ	http://www.national.com

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2 / 8 page

Connection Diagrams

Pin Assignment for

DIP SOIC and Flatpak

TLF9525 – 2

Pin Assignment

for LCC

TLF9525 – 3

Unit LoadingFan Out

54F74F

Pin Names

Description

Input IIH IIL

HIGHLOW

Output IOH IOL

D0–D7

Data Inputs

1010

20 mA b06 mA

Clock Enable (Active LOW)

1010

20 mA b06 mA

Clock Pulse Input

1010

20 mA b06 mA

Q0–Q7

Data Outputs

50333

1 mA20 mA

Mode Select-Function Table

Operating Mode

Inputs

Output

Load ‘‘1’’

Load ‘‘0’’

Hold

No Change

(Do Nothing)

No Change

H e HIGH Voltage Level

h e HIGH Voltage Level one setup time prior to

the LOW-to-HIGH Clock Transition

L e LOW Voltage Level

I e LOW Voltage Level one setup time prior to

the LOW-to-HIGH Clock Transition

X e Immaterial

L e LOW-to-HIGH Clock Transition

Logic Diagram

TLF9525 – 5

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

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