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5
Exar Coporation 48720 Kato Road, Fremont CA, 94538 (50) 668-7000 Fax (50) 668-707 www.exar.com
SP505_00_08308
AC CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITIONS
TRANSCEIVER LEAKAGE CURRENTS
Driver Output 3-state Current
00
500
A
Per Figure 32; Drivers disabled
Receiver Output 3-state
Current
0
A
DEC
X = 0000, 0.4V ≤ VO ≤ 2.4V
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. 34 & 40; S1 closed
t
PZH; Tri-state to Output HIGH
0.40
2.0
s
C
L = 00pF, Fig. 34 & 40; S2 closed
t
PLZ; Output LOW to Tri-state
0.20
2.0
s
C
L = 00pF, Fig. 34 & 40; S1 closed
t
PHZ; Output HIGH to Tri-state
0.40
2.0
s
C
L = 00pF, Fig. 34 & 40; S2 closed
RS-423/V.10
t
PZL; Tri-state to Output LOW
0.5
2.0
s
C
L = 00pF, Fig. 34 & 40; S1 closed
t
PZH; Tri-state to Output HIGH
0.20
2.0
s
C
L = 00pF, Fig. 34 & 40; S2 closed
t
PLZ; Output LOW to Tri-state
0.20
2.0
s
C
L = 00pF, Fig. 34 & 40; S1 closed
t
PHZ; Output HIGH to Tri-state
0.5
2.0
s
C
L = 00pF, Fig. 34 & 40; S2 closed
RS-422/V.11
t
PZL; Tri-state to Output LOW
2.80
0.0
s
C
L = 00pF, Fig. 34 & 37; S1 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 = 5pF, Fig. 34 & 37; S1 closed
t
PHZ; Output HIGH to Tri-state
0.0
2.0
s
C
L = 5pF, Fig. 34 & 37; S2 closed
V.35
t
PZL; Tri-state to Output LOW
2.60
0.0
s
C
L = 00pF, Fig. 34 & 37; S1 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 = 5pF, Fig. 34 & 37; S1 closed
t
PHZ; Output HIGH to Tri-state
0.5
2.0
s
C
L = 5pF, Fig. 34 & 37; 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. 35 & 38; S1 closed
t
PZH; Tri-state to Output HIGH
0.0
2.0
s
C
L = 00pF, Fig. 35 & 38; S2 closed
t
PLZ; Output LOW to Tri-state
0.0
2.0
s
C
L = 00pF, Fig. 35 & 38; S1 closed
t
PHZ; Output HIGH to Tri-state
0.0
2.0
s
C
L = 00pF, Fig. 35 & 38; S2 closed
RS-423/V.10
t
PZL; Tri-state to Output LOW
0.0
2.0
s
C
L = 00pF, Fig. 35 & 38; S1 closed
t
PZH; Tri-state to Output HIGH
0.0
2.0
s
C
L = 00pF, Fig. 35 & 38; S2 closed
t
PLZ; Output LOW to Tri-state
0.0
2.0
s
C
L = 00pF, Fig. 35 & 38; S1 closed
t
PHZ; Output HIGH to Tri-state
0.0
2.0
s
C
L = 00pF, Fig. 35 & 38; S2 closed
T
A = +25°C and VCC = +4.75V to +5.25V unless otherwise noted.
T
A = +25°C and VCC = +5.0V unless otherwise noted.