Switching Characteristics (Continued)
VCC = +5.0V, TA = +25˚C DS90C031T. (Notes 3, 4, 6, 9)
Symbol
tTLH
Parameter
Conditions
Min
Typ
0.35
0.35
2.5
Max
1.5
1.5
10
Units
ns
Rise Time
Fall Time
tTHL
ns
tPHZ
Disable Time High to Z
Disable Time Low to Z
Enable Time Z to High
Enable Time Z to Low
RL = 100Ω,
CL = 5 pF
(Figure 4 and Figure 5)
ns
tPLZ
2.5
10
ns
tPZH
2.5
10
ns
tPZL
2.5
10
ns
Switching Characteristics
±
VCC = +5.0V 10%, TA = −40˚C to +85˚C DS90C031T. (Notes 3, 4, 5, 6, 9)
Symbol
tPHLD
tPLHD
tSKD
tSK1
Parameter
Conditions
Min
0.5
0.5
0
Typ
2.0
2.1
80
Max
3.5
3.5
900
1.0
3.0
2.0
2.0
15
Units
ns
Differential Propagation Delay High to Low
Differential Propagation Delay Low to High
RL = 100Ω, CL = 5 pF
(Figure 2 and Figure 3)
ns
Differential Skew |tPHLD – tPLHD
|
ps
Channel-to-Channel Skew (Note 4)
Chip to Chip Skew (Note 5)
Rise Time
0
0.3
ns
tSK2
ns
tTLH
0.35
0.35
2.5
ns
tTHL
Fall Time
ns
tPHZ
Disable Time High to Z
Disable Time Low to Z
Enable Time Z to High
Enable Time Z to Low
RL = 100Ω,
CL = 5 pF
(Figure 4 and Figure 5)
ns
tPLZ
2.5
15
ns
tPZH
2.5
15
ns
tPZL
2.5
15
ns
Switching Characteristics
±
VCC = +5.0V 10%, TA = −55˚C to +125˚C DS90C031E. (Notes 3, 4, 5, 6, 9, 10)
Symbol
tPHLD
tPLHD
tSKD
Parameter
Conditions
Min
0.5
0.5
0
Typ
2.0
Max
5.0
5.0
3.0
3.0
4.5
20
Units
ns
Differential Propagation Delay High to Low
Differential Propagation Delay Low to High
RL = 100Ω, CL = 20 pF
(Figure 3)
CL Connected between
each Output and GND
2.1
ns
Differential Skew |tPHLD – tPLHD
|
0.08
0.3
ns
tSK1
Channel-to-Channel Skew (Note 4)
Chip to Chip Skew (Note 5)
Disable Time High to Z
0
ns
tSK2
ns
tPHZ
RL = 100Ω,
CL = 5 pF
(Figure 4 and Figure 5)
2.5
2.5
2.5
2.5
ns
tPLZ
Disable Time Low to Z
20
ns
tPZH
Enable Time Z to High
20
ns
tPZL
Enable Time Z to Low
20
ns
Parameter Measurement Information
DS011946-3
FIGURE 1. Driver VOD and VOS Test Circuit
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