2

Description

The Harris CD74HC240 and CD74HCT240 are inverting

three-state buffers having two active-low output enables. The

Harris

CD74HC241,

CD74HCT241,

CD74HC244

and

CD74HCT244 are non-inverting three-state buffers that differ

only in that the 241 has one active-high and one active-low

output enable, and the 244 has two active-low output

enables. All three types have identical pinouts.

Functional Diagram

Ordering Information

PART NUMBER

TEMP. RANGE

PACKAGE

PKG.

NO.

CD74HC240E

-55 to 125

20 Ld PDIP

E20.3

CD74HCT240E

-55 to 125

20 Ld PDIP

E20.3

CD74HC241E

-55 to 125

20 Ld PDIP

E20.3

CD74HCT241E

-55 to 125

20 Ld PDIP

E20.3

CD74HC244E

-55 to 125

20 Ld PDIP

E20.3

CD74HCT244E

-55 to 125

20 Ld PDIP

E20.3

CD74HC240M

-55 to 125

20 Ld SOIC

M20.3

CD74HCT241M

-55 to 125

20 Ld SOIC

M20.3

CD74HCT240M

-55 to 125

20 Ld SOIC

M20.3

CD74HC244M

-55 to 125

20 Ld SOIC

M20.3

CD74HCT244M

-55 to 125

20 Ld SOIC

M20.3

NOTES:

1. When ordering, use the entire part number. Add the suffix 96 to

obtain the variant in the tape and reel.

2. Wafer and die for this part number is available which meets all

electrical specifications. Please contact your local sales office or

Harris customer service for ordering information.

Ordering Information

PART NUMBER

TEMP. RANGE

PACKAGE

PKG.

NO.

18

16

14

12

7

3

5

9

2

1Y0

1Y1

1Y2

1Y3

2Y0

2Y1

2Y2

2Y3

2OE

1OE

1

19

6

2OE

1OE

1Y0

1Y1

1Y2

1Y3

2Y0

2Y1

2Y2

2Y3

240

241

17

4

8

11

13

15

1A0

1A1

1A2

1A3

2A0

2A1

2A2

2A3

240

AND

244

241

AND

244

GND = 10

CD74HC240, CD74HCT240, CD74HC241, CD74HCT241, CD74HC244, CD74HCT244