sp336e Exar Corporation, sp336e Datasheet - Page 21

• 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
18. RS-485 R
19. RS-485 R
20. RS-232 D
ECEIVER
ECEIVER
RIVER
O
3.3V - 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER
GENERATOR
0.25V
UTPUT
S1 is open, S2 is closed, S3 = 1.5V
E
E
S1 is closed, S2 is open, S3 = -1.5V
RE
NABLE AND
NABLE AND
OUT
RE
OUT
S
LEW
R
D
1.5V
D
ATE
ISABLE
ISABLE
1.5V
50Ω
t
0.25V
LZ
T
t
EST
HZ
T
T
21
IMES
IMES
C
Tx
IRCUIT
T
T
IMING
IMING
C
L
D
D
3V
IAGRAM
IAGRAM
V
R
0V
V
V
L
3
4
CC
0V
OL
OUT
3V
OH
SP336E