sp336e Exar Corporation, sp336e Datasheet - Page 18

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

SP336E
3.3V - 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER
F
F
F
IGURE
IGURE
IGURE
10. RS-485 D
11. RS-485 D
12. RS-485 D
OUT
OUT
DE
DE
RIVER
RIVER
RIVER
V
OL
E
E
E
NABLE AND
NABLE AND
NABLE AND
GENERATOR
V
t
V
DZH
OM
0
t
DZL
OM
D
D
D
= (V
ISABLE
ISABLE
ISABLE
= (V
DI
50Ω
OL
OL
Tx
+ Vcc)/2
+ Vcc)/2
T
T
T
EST
IMING
A
B
IMING
18
C
C
L
S1
= 50pF
IRCUIT
D
D
IAGRAM
IAGRAM
2
2
Vcc
R
OUT
L
t
= 500Ω
DHZ
Vcc/2
t
Vcc/2
DLZ
0.25V
Vcc
Vcc
0.25V
0
0
0
REV. 1.0.0