INPUT EQUIVALENT CIRCUIT

TRUTH TABLE

ABCDY

L

XXX

H

XL

X

X

H

XX

L

X

H

XXX

L

H

HH

HH

L

X: ”H” or ”L”

PIN DESCRIPTION

PI N No

SYMBOL

NAME AND FUNCT ION

1, 9

1A to 2A

Data Inputs

2, 10

1B to 2B

Data Inputs

3, 11

N.C.

Not Connected

4, 12

1C to 2C

Data Inputs

5, 13

1D to 2D

Data Inputs

6, 8

1Y to 2Y

Data Outputs

7

GND

Ground (0V)

14

Positive Supply Voltage

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)

0 to 20

ns/V

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.

74VHCT20A

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