M74HC7244M1R View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M74HC7244M1R

OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)

STMicroelectronics 

M74HC7244

AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)

Test Condition

Value

Symbol

Parameter

tTLH tTHL Output Transition

Time

tPLH tPHL Propagation Delay

Time

tPZL tPZH High Impedance

Output Enable

Time

tPLZ tPHZ High Impedance

Output Disable

Time

VCC CL

(V) (pF)

2.0

4.5 50

6.0

2.0

4.5 50

6.0

2.0

4.5 50

6.0

2.0

4.5 50

6.0

RL = 1 KΩ

RL = 1 KΩ

TA = 25°C

-40 to 85°C -55 to 125°C Unit

Min. Typ. Max. Min. Max. Min. Max.

25 60

75

7 12

19

ns

6 10

13

50 125

155

15 25

31

ns

13 21

26

68 150

190

21 30

38

ns

16 26

32

48 150

190

21 30

38

ns

19 26

32

CAPACITIVE CHARACTERISTICS

Test Condition

Value

Symbol

Parameter

VCC

(V)

TA = 25°C

-40 to 85°C -55 to 125°C Unit

Min. Typ. Max. Min. Max. Min. Max.

CIN Input Capacitance 5.0

5 10

10

10 pF

COUT

Output

Capacitance

5.0

10

pF

CPD Power Dissipation

Capacitance (note 5.0

34

pF

1)

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without

load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per circuit)

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