MAX3430 Maxim, MAX3430 Datasheet - Page 7

• Manufacturer Part Number: MAX3430
• Description: 80V Fault-Protected / Fail-Safe / 1/4-Unit Load / #.3V RS-485 Transceiver
• Manufacturer: Maxim

Figure 6. Receiver Propagation Delays
Figure 7. Receiver Enable and Disable Times
RO
RE
RO
RE
0.25V
0
1.5V
V
_______________________________________________________________________________________
ID
+1.5V
-1.5V
t
RHZ
1/4-Unit Load, +3.3V RS-485 Transceiver
R
GENERATOR
S3
t
RZH
, t
C
20pF
RZH(SHDN)
L
V
ID
50Ω
R
V
3V
0
V
0
3V
0
V
0
OH
OH
OH
±80V Fault-Protected, Fail-Safe,
/2
S1 OPEN
S2 CLOSED
S3 = +1.5V
S1 OPEN
S2 CLOSED
S3 = +1.5V
RO
RO
Test Circuits/Timing Diagrams (continued)
B
A
V
V
C
20pF
OH
OL
L
1kΩ
R
1.5V
t
RPLH
RO
RO
RE
RE
t
RLZ
S1
S2
1.5V
0.25V
t
RPHL
t
RZL
, t
RZL (SHDN)
V
CC
1.5V
(V
OL
+ V
3V
0
V
V
3V
0
V
V
CC
CC
OL
CC
OL
)/2
S1 CLOSED
S2 OPEN
S3 = -1.5V
S1 CLOSED
S2 OPEN
S3 = -1.5V
7