TRUTH TABLE

INPUT

OUTPUT

GAn

Yn

LL

H

LHL

HX

Z

X:”H” or ”L”

Z: High impedance

PIN DESCRIPTION

PIN No

SYMBOL

NAME AND FUNCT ION

1

1G

Output Enable Input

2, 4,6, 8

1A1 to 1A4

Data Inputs

9, 7,5, 3

2Y1 to 2Y4

Data Outputs

11, 13, 15, 17

2A1 to 2A4

Data Inputs

18, 16, 14, 12

1Y1 to 1Y4

Data Outputs

19

2G

Output Enable Input

10

GND

Ground (0V)

20

Positive Supply Voltage

INPUT EQUIVALENT CIRCUIT

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Valu e

Uni t

Supply Voltage

4.5 to 5.5

V

Input Voltage

0 to 5.5

V

Output Voltage (see note 1)

0 to 5.5

V

Output Voltage (see note 2)

V

Operating Temperature

-40 to +85

dt/dv

± 0.5V)

0to 20

ns/V

1) Output in OFF State

2) High or Low State

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Val ue

Unit

Supply Voltage

-0.5 to +7.0

V

DC Input Voltage

-0.5 to +7.0

V

DC Output Voltage (see note 1)

-0.5 to +7.0

V

DC Output Voltage (see note 2)

V

DC Input Diode Current

- 20

mA

DC Output Diode Current

± 20

mA

DC Output Current

± 25

mA

± 50

mA

Storage Temperature

-65 to +150

Lead Temperature (10 sec)

300

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.

1) Output in OFF State

2) High or Low State

74VHCT240A

2/8