74LVTH16244LBR datasheet(6/13 Pages) STMICROELECTRONICS

6 / 13 page

74LVTH16244

6/13

AC ELECTRICAL CHARACTERISTICS

1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device

switching in the same direction, either HIGH or LOW (tOSLH =| tPLHm -tPLHn|, tOSHL =|tPHLm -tPHLn|

2) Parameter guaranteed by design

CAPACITANCE CHARACTERISTICS

TEST CIRCUIT

CL = 50pF or equivalent (includes jig and probe capacitance)

RL =R1 =500Ω or equivalent

RT =ZOUT of pulse generator (typically 50Ω)

Symbol

Parameter

Test Condition

Value

Unit

VCC =2.7V

VCC =3.3 ± 0.3V

Min.

Max.

Min.

Typ.

Max.

tPLH

Propagation Delay Time An to Yn

TA =- 40 to 85 °C

3.7

1.2

2.5

3.2

tPHL

Propagation Delay Time An to Yn

3.7

1.2

2.5

3.2

tPZL

Output Enable Time nG to Yn

5.0

1.2

2.7

4.0

tPZH

Output Enable Time nG to Yn

5.0

1.2

2.7

4.0

tPLZ

Output Disable Time nG to Yn

4.4

2.0

3.7

4.2

tPHZ

Output Disable Time nG to Yn

5.0

2.2

4.4

5.1

tOSLH

tOSHL

Output To Output Skew Time

(note1, 2)

0.5

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA =25 °C

-40to85°C

Min.

Typ.

Max.

Min.

Max.

Control Input Capacitance

open

Output Capacitance

3.3

TEST

SWITCH

tPLH,tPHL

Open

tPZL,tPLZ (VCC = 3.0 to 3.6V)

tPZL,tPLZ (VCC =2.7V)

tPZH,tPHZ

GND

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