MAX3162 MAXIM [Maxim Integrated Products], MAX3162 Datasheet - Page 13

• Manufacturer Part Number: MAX3162
• Description: +3.0V to +5.5V, 1uA, RS-232/RS-485/422 Multiprotocol Transceivers
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 4. RS-485/422 Driver Enable/Disable Timing Test Load
Figure 8. MAX3162 RS-485/422 Receiver Enable and Disable
Times
Figure 6. RS-485/422 Driver Enable and Disable Times
RE485
RO
RO
DE485
V
Y, Z
Y, Z
V
3V
CC
3V
OL
0
0
UNDER TEST
0
0
OUTPUT
1.5V
1.5V
C
______________________________________________________________________________________
500Ω
L
1.5V
2.3V
1.5V
2.3V
t
t
t
t
RZL
+3.0V to+5.5V, 1µA, RS-232/RS-485/422
DZL
RZH
DZH
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
OUTPUT NORMALLY LOW
S1
S2
t
t
t
DHZ
t
RHZ
RLZ
DLZ
1.5V
1.5V
V
V
V
V
V
CC
OL
OH
OL
OH
+ 0.5V
+ 0.5V
- 0.5V
- 0.5V
Multiprotocol Transceivers
Figure 5. RS-485/422 Driver Propagation Delays
Figure 7. RS-485/422 Receiver Propagation Delays
Figure 9. RS-485/422 Receiver Propagation Delays Test Circuit
V
-1V
DIFF
RO
1V
DI
-V
V
V
V
3V
OH
OL
Y
0
Z
O
0
O
A
B
V
1/2 V
O
T
1.5V
DR
10%
O
Test Circuits (continued)
90%
t
DPLH
t
V
DSKEW =
CC
V
t
RPHL
ID
/2
V
INPUT
DIFF
|
t
= V
DPLH
y
OUTPUT
- V
- t
A
t
B
DPHL
t
DPHL
z
RPLH
T
DF
90%
|
R
V
CC
1.5V
/2
10%
RO
1/2 V
C
L
O
13