IN74VHCT244 datasheet(5/7 Pages) INTEGRAL

Part #	IN74VHCT244

Description	Octal Buffer /Line Driver NINV (3-state)

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Manufacturer	INTEGRAL [Integral Corp.]

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IN74VHCT244

AC electrical characteristics (tLH = tHL = 3.0 ns)

Value

25

°C

–40

to 85

°C

Symbol

Parameter

Test conditions

VCC, V

CL,

pF

min

max

min

max

Unit

15

–

7.4

–

8.5

tPHL, tPLH Propagation

delay time

when

switching

"on",

"off"

Fig 1

5.0 ± 0.5

50

–

8.4

–

9.5

ns

tPHZ , tPLZ Propagation delay time

under

transition

from

high , low level into "off"

state

Fig 2

5.0 ± 0.5 50

–

11.4

–

13.0

ns

15

–

10.4

–

12.0

tPZH , tPZL Propagation delay time

under

transition

from

«off» state into high, low

level

Fig 2

5.0 ± 0.5

50

–

11.4

–

13.0

ns

tOSLH,

tOSHL

Propagation

delays

difference

between

outputs

-

5.0 ± 0.5 50

–

1.0

–

1.0

ns

Capacitance characteristics

Value

25

°C

Symbol

Parameter

Test conditions

VCC, V

min

max

Unit

CI

Input capacity

-

5.0

10

pF

CO

Output capacity

-

5.0

18

pF

CРD

Dynamic capacity

VI = 0 V orVCC

5.0

36

pF

Noise characteristics (CL = 50 pF)

Value

Symbol

Parameter

VCC, V

min

max

Unit

VOLP

Positive noise of low output voltage

5.0

-

1.1

V

VOLV

Negative noise of low output

voltage

5.0

-1.1

-

VIHD

Input dynamic high voltage

5.0

2.0

VILD

Input dynamic low voltage

5.0

0.8

5

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IN74VHCT244 Datasheet(PDF) 5 Page - Integral Corp.

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