sp336e Exar Corporation, sp336e Datasheet - Page 17

• Manufacturer Part Number: sp336e
• Description: 3.3v - 5v Programmable Rs-232/rs-485/rs-422 Serial Transceiver
• Manufacturer: Exar Corporation

REV. 1.0.0
F
F
F
IGURE
IGURE
IGURE
7. RS-485 D
8. RS-485 D
9. RS-485 D
V
V
A
DIFF
– V
DI
RIVER
RIVER
B
RIVER
V
V
Vcc
O
O
0V
0V
A
B
+
P
T
–
E
IMING
3.3V - 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER
ROPAGATION
NABLE AND
GENERATOR
V
O
D
IAGRAM
1/2V
DI
Vcc
D
O
3.3V
D
ISABLE
Tx
ELAY
DI
Vcc/2
A
50Ω
B
Tx
T
T
EST
EST
A
B
t
V
10%
90%
SKEW
17
C
t
OD
t
C
PLH
DPLH
C
IRCUIT
IRCUIT
L
t
S1
R
= 50pF
= |t
DPLH
t
t
DPHL
R
PHL
54Ω
- t
L
DPHL
R
C
50pF
|
L
L
OUT
= 500Ω
Vcc/2
90%
10%
t
F
1/2V
O
SP336E