Datasheet

Switching Characteristics (Continued)
V
CC
= +5.0V, T
A
= +25˚C DS90C031T. (Notes 3, 4, 6, 9)
Symbol Parameter Conditions Min Typ Max Units
t
TLH
Rise Time 0.35 1.5 ns
t
THL
Fall Time 0.35 1.5 ns
t
PHZ
Disable Time High to Z R
L
= 100Ω,
C
L
=5pF
(
Figure 4 and Figure 5 )
2.5 10 ns
t
PLZ
Disable Time Low to Z 2.5 10 ns
t
PZH
Enable Time Z to High 2.5 10 ns
t
PZL
Enable Time Z to Low 2.5 10 ns
Switching Characteristics
V
CC
= +5.0V
±
10%, T
A
= −40˚C to +85˚C DS90C031T. (Notes 3, 4, 5, 6, 9)
Symbol Parameter Conditions Min Typ Max Units
t
PHLD
Differential Propagation Delay High to Low R
L
= 100Ω,C
L
=5pF
(
Figure 2 and Figure 3 )
0.5 2.0 3.5 ns
t
PLHD
Differential Propagation Delay Low to High 0.5 2.1 3.5 ns
t
SKD
Differential Skew |t
PHLD
–t
PLHD
| 0 80 900 ps
t
SK1
Channel-to-Channel Skew (Note 4) 0 0.3 1.0 ns
t
SK2
Chip to Chip Skew (Note 5) 3.0 ns
t
TLH
Rise Time 0.35 2.0 ns
t
THL
Fall Time 0.35 2.0 ns
t
PHZ
Disable Time High to Z R
L
= 100Ω,
C
L
=5pF
(
Figure 4 and Figure 5 )
2.5 15 ns
t
PLZ
Disable Time Low to Z 2.5 15 ns
t
PZH
Enable Time Z to High 2.5 15 ns
t
PZL
Enable Time Z to Low 2.5 15 ns
Switching Characteristics
V
CC
= +5.0V
±
10%, T
A
= −55˚C to +125˚C DS90C031E. (Notes 3, 4, 5, 6, 9, 10)
Symbol Parameter Conditions Min Typ Max Units
t
PHLD
Differential Propagation Delay High to Low R
L
= 100Ω,C
L
=20pF
(
Figure 3 )
C
L
Connected between
each Output and GND
0.5 2.0 5.0 ns
t
PLHD
Differential Propagation Delay Low to High 0.5 2.1 5.0 ns
t
SKD
Differential Skew |t
PHLD
–t
PLHD
| 0 0.08 3.0 ns
t
SK1
Channel-to-Channel Skew (Note 4) 0 0.3 3.0 ns
t
SK2
Chip to Chip Skew (Note 5) 4.5 ns
t
PHZ
Disable Time High to Z R
L
= 100Ω,
C
L
=5pF
(
Figure 4 and Figure 5 )
2.5 20 ns
t
PLZ
Disable Time Low to Z 2.5 20 ns
t
PZH
Enable Time Z to High 2.5 20 ns
t
PZL
Enable Time Z to Low 2.5 20 ns
Parameter Measurement Information
DS011946-3
FIGURE 1. Driver V
OD
and V
OS
Test Circuit
DS90C031
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