Comparison Table of Switching Characteristics into “LS-Type” Load
(Continued)
V
CC
= 5V, T
A
= 25˚C, t
r
≤
6 ns, t
f
≤
6 ns (Figures
2, 4, 5, 6)
(Note 12)
Symbol
t
THL
, t
TLH
Parameter
Differential Output Rise
and Fall Times
t
PLZ
Output Disable Time
(Note 10)
t
PHZ
Output Disable Time
(Note 10)
t
PZL
Output Enable Time
Conditions
C
L
= 30 pF
S1 Closed
S2 Closed
C
L
= 10 pF
S1 Closed
S2 Open
C
L
= 10 pF
S1 Open
S2 Closed
C
L
= 30 pF
S1 Closed
t
PZH
Output Enable Time
S2 Open
C
L
= 30 pF
S1 Open
S2 Closed
Note 12:
This table is provided for comparison purposes only. The values in this table for the DS26C31 reflect the performance of the device but are not tested or
guaranteed.
Note 13:
ESD Rating:
HBM (1.5 kΩ, 100 pF)
Inputs
≥
1500V
Outputs
≥
1000V
EIAJ (0Ω, 200 pF)
≥
350V
DS26C31T
Typ
4
Max
6
DS26LS31C
Typ
Max
Units
ns
6
9
15
35
ns
4
7
15
25
ns
14
20
20
30
ns
11
17
20
30
ns
Logic Diagram
DS008574-2
AC Test Circuit and Switching Time Waveforms
DS008574-3
Note:
C1 = C2 = C3 = 40 pF (Including Probe and Jig Capacitance), R1 = R2 = 50Ω, R3 = 500Ω.
FIGURE 1. AC Test Circuit
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