INPUT EQUIVALENT CIRCUIT

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

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.

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

2.0 to 5.5

V

Input Voltage

0 to 5.5

V

Output Voltage

V

Operating Temperature

-40 to +85

dt/dv

± 0.3V)

± 0.5V)

0 to 100

0to 20

ns/V

ns/V

74VHC20

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