
7
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-707 www.exar.com
SP3508_00_072208
OTHER AC CHARACTERISTICS
PARAMETER
MIN.
TYP.
MAX.
Units
CONDITIONS
DRIVER DELAY TIME BETWEEN ACTIVE MODE AND TRI-STATE MODE
RS-232/V.28
t
PZL; Tri-state to Output LOW
0.70
5.0
s
C
L = 00pF, Fig. 33 & 39; S closed
t
PZH; Tri-state to Output HIGH
0.40
2.0
s
C
L = 00pF, Fig. 33 & 39; S2 closed
t
PLZ; Output LOW to Tri-state
0.20
2.0
s
C
L = 00pF, Fig. 33 & 39; S closed
t
PHZ; Output HIGH to Tri-state
0.40
2.0
s
C
L = 00pF, Fig. 33 & 39; S2 closed
RS-423/V.10
t
PZL; Tri-state to Output LOW
0.5
2.0
s
C
L = 00pF, Fig. 33 & 39; S closed
t
PZH; Tri-state to Output HIGH
0.20
2.0
s
C
L = 00pF, Fig. 33 & 39; S2 closed
t
PLZ; Output LOW to Tri-state
0.20
2.0
s
C
L = 00pF, Fig. 33 & 39; S closed
t
PHZ; Output HIGH to Tri-state
0.5
2.0
s
C
L = 00pF, Fig. 33 & 39; S2 closed
RS-422/V.11
t
PZL; Tri-state to Output LOW
2.80
0.0
s
C
L = 00pF, Fig. 33 & 36; S closed
t
PZH; Tri-state to Output HIGH
0.0
2.0
s
C
L = 00pF, Fig. 33 & 36; S2 closed
t
PLZ; Output LOW to Tri-state
0.0
2.0
s
C
L = 5pF, Fig. 33 & 36; S closed
t
PHZ; Output HIGH to Tri-state
0.0
2.0
s
C
L = 5pF, Fig. 33 & 36; S2 closed
V.35
t
PZL; Tri-state to Output LOW
2.60
0.0
s
C
L = 00pF, Fig. 33 & 36; S closed
t
PZH; Tri-state to Output HIGH
0.0
2.0
s
C
L = 00pF, Fig. 33 & 36; S2 closed
t
PLZ; Output LOW to Tri-state
0.0
2.0
s
C
L = 5pF, Fig. 33 & 36; S closed
t
PHZ; Output HIGH to Tri-state
0.5
2.0
s
C
L = 5pF, Fig. 33 & 36; S2 closed
RECEIVER DELAY TIME BETWEEN ACTIVE MODE AND TRI-STATE MODE
RS-232/V.28
t
PZL; Tri-state to Output LOW
0.2
2.0
s
C
L = 00pF, Fig. 34 & 37; S closed
t
PZH; Tri-state to Output HIGH
0.0
2.0
s
C
L = 00pF, Fig. 34 & 37; S2 closed
t
PLZ; Output LOW to Tri-state
0.0
2.0
s
C
L = 00pF, Fig. 34 & 37; S closed
t
PHZ; Output HIGH to Tri-state
0.0
2.0
s
C
L = 00pF, Fig. 34 & 37; S2 closed
RS-423/V.10
t
PZL; Tri-state to Output LOW
0.0
2.0
s
C
L = 00pF, Fig. 34 & 37; S closed
t
PZH; Tri-state to Output HIGH
0.0
2.0
s
C
L = 00pF, Fig. 34 & 37; S2 closed
t
PLZ; Output LOW to Tri-state
0.0
2.0
s
C
L = 00pF, Fig. 34 & 37; S closed
t
PHZ; Output HIGH to Tri-state
0.0
2.0
s
C
L = 00pF, Fig. 34 & 37; S2 closed
T
A = 0 to 70°C and VCC = 3.3V ± 5% unless otherwise noted.