
7
Rev: A Date:1/27/04
SP504 Multi–Mode Serial Transceivers
Copyright 2004 Sipex Corporation
OTHER AC CHARACTERISTICS
(Continued)
T
A
= +70
°
C to 0
°
C and V
CC
= +4.75V to +5.25V unless otherwise noted.
PARAMETER
V.35 MODE
t
PLZ
; Output LOW to Tri-state
MIN.
TYP.
MAX.
UNITS
CONDITIONS
0.10
2.0
μ
s
C
= 15pF, Fig. 4 & 6; S
1
closed
C
= 15pF, Fig. 4 & 6; S
2
closed
t
PHZ
; Output HIGH to Tri-state
0.15
2.0
μ
s
RECEIVER DELAY TIME BETWEEN ACTIVE MODE AND TRI-STATE MODE
RS-232 MODE
t
PZL
; Tri-state to Output LOW
0.12
2.0
μ
s
C
= 100pF, Fig. 2 ; S
1
closed
C
= 100pF, Fig. 2 ; S
2
closed
C
= 100pF, Fig. 2 ; S
1
closed
C
= 100pF, Fig. 2 ; S
2
closed
t
PZH
; Tri-state to Output HIGH
0.10
2.0
μ
s
t
PLZ
; Output LOW to Tri-state
0.10
2.0
μ
s
t
PHZ
; Output HIGH to Tri-state
0.10
2.0
μ
s
RS-423 MODE
t
PZL
; Tri-state to Output LOW
0.10
2.0
μ
s
C
= 100pF, Fig. 2 ; S
1
closed
C
= 100pF, Fig. 2 ; S
2
closed
C
= 100pF, Fig. 2 ; S
1
closed
C
= 100pF, Fig. 2 ; S
2
closed
t
PZH
; Tri-state to Output HIGH
0.10
2.0
μ
s
t
PLZ
; Output LOW to Tri-state
0.10
2.0
μ
s
t
PHZ
; Output HIGH to Tri-state
0.10
2.0
μ
s
RS-422/RS-485 MODES
t
PZL
; Tri-state to Output LOW
0.10
2.0
μ
s
C
= 100pF, Fig. 2 & 8 ; S
1
closed
C
= 100pF, Fig. 2 & 8 ; S
2
closed
C
= 15pF, Fig. 2 & 8 ; S
1
closed
C
= 15pF, Fig. 2 & 8; S
2
closed
t
PZH
; Tri-state to Output HIGH
0.10
2.0
μ
s
t
PLZ
; Output LOW to Tri-state
0.10
2.0
μ
s
t
PHZ
; Output HIGH to Tri-state
0.10
2.0
μ
s
V.35 MODE
t
PZL
; Tri-state to Output LOW
0.10
2.0
μ
s
C
= 100pF, Fig. 2 & 8; S
1
closed
C
= 100pF, Fig. 2 & 8; S
2
closed
C
= 15pF, Fig. 2 & 8; S
1
closed
C
= 15pF, Fig. 2 & 8; S
2
closed
t
PZH
; Tri-state to Output HIGH
0.10
2.0
μ
s
t
PLZ
; Output LOW to Tri-state
0.10
2.0
μ
s
t
PHZ
; Output HIGH to Tri-state
0.10
2.0
μ
s
TRANSCEIVER TO TRANSCEIVER SKEW
RS-232 Driver
RS-232 Receiver
RS-422 Driver
RS-422 Receiver
RS-423 Driver
RS-423 Receiver
V.35 Driver
V.35 Receiver
[ (t
phl
– t
plh
)
Trcvr1
– (t
phl
– t
plh
)
TrcvrX
]
20
50
20
20
50
20
20
50
20
20
50
20
ns
ns
ns
ns
ns
ns
ns
ns
V
CC
= +5.0V, T
A
@ +25
°
C
V
CC
= +5.0V, T
A
@ +25
°
C
V
CC
= +5.0V, T
A
@ +25
°
C
V
CC
= +5.0V, T
A
@ +25
°
C