M54HC21

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IEC LOGIC SYMBOLS

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

TRUTH TABLE

ABSOLUTE MAXIMUM RATINGS

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is

not implied

PIN N°

SYMBOL

NAME AND FUNCTION

1, 9

1A, 2A

Data Inputs

2, 10

1B, 2B

Data Inputs

3, 11

N.C.

Not Connected

4, 12

1C, 2C

Data Inputs

5, 13

1D, 2D

Data Inputs

6, 8

1Y, 2Y

Data Outputs

7

GND

Ground (0V)

14

Positive Supply Voltage

ABCD

Y

L

XXX

L

XLX

X

L

XX

L

X

L

XXX

L

L

HHHHH

Symbol

Parameter

Value

Unit

Supply Voltage

-0.5 to +7

V

DC Input Voltage

V

DC Output Voltage

V

DC Input Diode Current

± 20

mA

DC Output Diode Current

± 20

mA

DC Output Current

± 25

mA

± 50

mA

Power Dissipation

300

mW

Storage Temperature

-65 to +150

°C

Lead Temperature (10 sec)

265

°C