2

MILITARYANDCOMMERCIALTEMPERATURERANGES

IDT54/74FCT574/A/C

FAST CMOS OCTAL D REGISTER (3-STATE)

PIN CONFIGURATION

CERDIP/ SOIC/ CERPACK

TOP VIEW

LCC

TOP VIEW

2

3

1

16

15

14

11

19

18

20

17

13

12

5

6

7

4

D20-1

SO 20-2

E20-1

8

9

10

OE

GND

CP

1

2

3

4

5

7

9

6

8

10

11

12

13

14

15

16

17

18

19

20

L20-2

INDEX

PIN DESCRIPTION

Pin Names

Description

D Flip-Flop Data Inputs

CP

Clock Pulse for the register. Enters data on LOW-to-HIGH

transition.

3-State Outputs (true)

OE

Active LOW 3-state Output Enable Input

Inputs

Outputs

Internal

Function

OE

CP

Hi-Z

H

H

L

H

X

X

Z

Z

NC

NC

Load Register

L

L

H

H

↑

↑

↑

↑

L

H

L

H

L

H

Z

Z

H

L

H

L

NOTE:

1. H = HIGH Voltage Level

L = LOW Voltage Level

X = Don’t Care

Z = High-Impedance

NC = No Change

↑ = LOW-to-HIGH transition

Symbol

Rating

Commercial

Military

Unit

Terminal Voltage

with Respect to GND

–0.5 to +7

–0.5 to +7

V

Terminal Voltage

with Respect to GND

V

Operating Temperature

0 to +70

–55 to +125

°C

Temperature Under

Bias

–55 to +125

–65 to +135

°C

Storage Temperature

–55 to +125

–65 to +150

°C

Power Dissipation

0.5

0.5

W

DC Output Current

120

120

mA

8-link

NOTES:

1. Stresses greater than those listed under ABSOLUTE MAXIMUM

RATINGS may cause permanent damage to the device. This is a

stress rating only and functional operation of the device at these or

any other conditions above those indicated in the operational sections

of this specification is not implied. Exposure to absolute maximum

rating conditions for extended periods may affect reliability. No

3. Outputs and I/O terminals only.

Symbol

Conditions

Typ.

Max.

Unit

Input Capacitance

6

10

pF

Output

Capacitance

8

12

pF

8-link

NOTE:

1. This parameter is measured at characterization but not tested.