M74HC245

2/10

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

TRUTH TABLE

X : Don’t Care

Z : High Impedance

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

(*) 500mW at 65

RECOMMENDED OPERATING CONDITIONS

PIN No

SYMBOL

NAME AND FUNCTION

1

DIR

Directional Control

2, 3, 4, 5, 6,

7, 8, 9

A1 to A8

Data Inputs/Outputs

18, 17, 16,

15, 14, 13,

12, 11

B1 to B8

Data Inputs/Outputs

19

G

Output Enable Input

10

GND

Ground (0V)

20

Positive Supply Voltage

INPUTS

FUNCTION

OUTPUT

G

DIR

A BUS

B BUS

Yn

L

L

OUTPUT

INPUT

A = B

L

H

INPUT

OUTPUT

B = A

HX

Z

Z

Z

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

± 35

mA

± 70

mA

Power Dissipation

500(*)

mW

Storage Temperature

-65 to +150

°C

Lead Temperature (10 sec)

300

°C

Symbol

Parameter

Value

Unit

Supply Voltage

2 to 6

V

Input Voltage

V

Output Voltage

V

Operating Temperature

-55 to 125

°C

Input Rise and Fall Time

0 to 1000

ns

0 to 500

ns

0 to 400

ns