IN74ALS273 데이터 시트보기 (PDF) - Integral Corp.

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IN74ALS273

OCTAL D-TYPE FLIP-FLOP WITH CLEAR

Integral Corp. 

TECHNICAL DATA

IN74ALS273

OCTAL D-TYPE FLIP-FLOP WITH CLEAR

• Contains Eight Flip-Flops with Single-Rail Outputs

• Buffered Clock and Direct Clear Inputs

• Individual Data Input to Each Flip-Flop

• Applications Include:

Buffer/Storage Registers

Shift Registers

Pattern Generators

DESCRIPTION

This monolithic, positive-edge-triggered flip-flop

utilizes TTL circuitry to implement D-type flip-flop

logic with a direct clear input.

Information at the D inputs meeting the setup time

requirements is transferred to the Q outputs on the

positive-going edge of the clock pulse. Clock

triggering occurs at a particular voltage level and is not

ORDERING INFORMATION

IN74ALS273N Plastic

directly related to the transition time of the positive-

going pulse. When the clock inputs is at either the high

or low level, the D input signal has no effect at the

IN74ALS273DW SOIC

TA = 0° to 70° C for all

packages

output.

The IN74ALS273 is characterized for operation from

0oC to 70oC.

Function Table and Logic Symbol

(each flip-flop)

INPUTS

OUTPUT

CLR (1)

(11)

CLK

R

C1

CLEAR CLOCK D

Q

L

X

X

L

H

I

H

H

H

I

L

L

H

L

X

Qo

1D (3)

1D

(4)

2D

3D (7)

4D (8)

5D (13)

6D (14)

7D (17)

8D (18)

(2)

1Q

(5)

(6) 2Q

(9) 3Q

(12) 4Q

(15) 5Q

(16) 6Q

(19) 7Q

8Q

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