Datasheet

+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
TE232
RE485
R
B
A
Z
Y
RO
28
27
26
25
24
23
22
211
1
2
3
4
RS-485
OUTPUTS
RS-232
OUTPUT
RS-232
OUTPUT
LOGIC
OUTPUTS
RS-232
INPUTS
C1
C3
C2
C4
SHDN
FAST
5
6
7
8
V+
C2+
C2-
V-
C1-
GND
V
CC
V
CC
C1+
16
15
13
14
CHARGE
PUMP
T1
T2
R1
R2
20
19
18
17
LOGIC
INPUTS
RS-485
INPUTS
9
10
11
12
D
DE485
C
BYPASS
Functional Diagrams (continued)
MAX3162
C
L
C
L
R
DIFF
V
OD
Z
3V
DE485
Y
DI
Figure 3. RS-485/422 Driver Timing Test Circuit
1k
C
L
V
CC
TEST POINT
RECEIVER
OUTPUT
S1
1k
S2
Figure 2. RS-485/422 Receiver Enable/Disable Timing Test Load
Figure 1. RS-485/422 Driver DC Test Load
V
OD
V
OC
R
R
Z
Y
Test Circuits
12
Maxim Integrated
MAX3160/MAX3161/MAX3162