Rainbow-electronics DS92LV010A Manual do Utilizador descarregar pdf (Página 4)

AC Electrical Characteristics (Note 6)

T

A

= −40˚C to +85˚C, V

CC

= 3.3V

±

0.3V

Symbol Parameter Conditions Min Typ Max Units

DIFFERENTIAL DRIVER TIMING REQUIREMENTS

t

PHLD

Differential Prop. Delay High to

Low

R

L

=27Ω,

Figures 2, 3

C

L

=10pF

1.0 3.0 5.0 ns

t

PLHD

Differential Prop. Delay Low to

High

1.0 2.8 5.0 ns

t

SKD

Differential SKEW |t

PHLD

-t

PLHD

| 0.2 1.0 ns

t

TLH

Transition Time Low to High 0.3 2.0 ns

t

THL

Transition Time High to Low 0.3 2.0 ns

t

PHZ

Disable Time High to Z R

L

=27Ω,

Figures 4, 5

C

L

=10pF

0.5 4.5 9.0 ns

t

PLZ

Disable Time Low to Z 0.5 5.0 10.0 ns

t

PZH

Enable Time Z to High 2.0 5.0 7.0 ns

t

PZL

Enable Time Z to Low 1.0 4.5 9.0 ns

DIFFERENTIAL RECEIVER TIMING REQUIREMENTS

t

PHLD

Differential Prop. Delay High to

Low

Figures 6, 7

C

L

=10pF

2.5 5.0 12.0 ns

t

PLHD

Differential Prop. Delay Low to

High

2.5 5.5 10.0 ns

t

SKD

Differential SKEW |t

PHLD

-t

PLHD

| 0.5 2.0 ns

t

r

Rise Time 1.5 4.0 ns

t

f

Fall Time 1.5 4.0 ns

t

PHZ

Disable Time High to Z R

L

= 500Ω,

Figures 8, 9

C

L

= 10 pF (Note 8)

2.0 4.0 6.0 ns

t

PLZ

Disable Time Low to Z 2.0 5.0 7.0 ns

t

PZH

Enable Time Z to High 2.0 7.0 13.0 ns

t

PZL

Enable Time Z to Low 2.0 6.0 10.0 ns

AC Electrical Characteristics (Note 6)

T

A

= −40˚C to +85˚C, V

CC

= 5.0V

±

0.5V

Symbol Parameter Conditions Min Typ Max Units

DIFFERENTIAL DRIVER TIMING REQUIREMENTS

t

PHLD

Differential Prop. Delay High to

Low

R

L

=27Ω,

Figures 2, 3

C

L

=10pF

0.5 2.7 4.5 ns

t

PLHD

Differential Prop. Delay Low to

High

0.5 2.5 4.5 ns

t

SKD

Differential SKEW |t

PHLD

-t

PLHD

| 0.2 1.0 ns

t

TLH

Transition Time Low to High 0.3 2.0 ns

t

THL

Transition Time High to Low 0.3 2.0 ns

t

PHZ

Disable Time High to Z R

L

=27Ω,

Figures 4, 5

C

L

=10pF

0.5 3.0 7.0 ns

t

PLZ

Disable Time Low to Z 0.5 5.0 10.0 ns

t

PZH

Enable Time Z to High 2.0 4.0 7.0 ns

t

PZL

Enable Time Z to Low 1.0 4.0 9.0 ns

DIFFERENTIAL RECEIVER TIMING REQUIREMENTS

t

PHLD

Differential Prop. Delay High to

Low

Figures 6, 7

C

L

=10pF

2.5 5.0 12.0 ns

t

PLHD

Differential Prop. Delay Low to

High

2.5 4.6 10.0 ns

t

SKD

Differential SKEW |t

PHLD

-t

PLHD

| 0.4 2.0 ns

t

r

Rise Time 1.2 2.5 ns

t

f

Fall Time 1.2 2.5 ns

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