MAX13088E Maxim Integrated Products, MAX13088E Datasheet - Page 11

• Manufacturer Part Number: MAX13088E
• Description: (MAX13080E - MAX13089E) RS-485/RS-422 Transceivers
• Manufacturer: Maxim Integrated Products

Figure 6. Receiver Propagation Delay Test Circuit
Figure 8. Receiver Enable and Disable Times
RO
RE
ATE
RO
RE
0.25V
______________________________________________________________________________________
V
t
RHZ
CC
Hot-Swap, RS-485/RS-422 Transceivers
+5.0V, ±15kV ESD-Protected, Fail-Safe,
/2
V
ID
S2 CLOSED
S3 = +1.5V
S1 OPEN
S2 CLOSED
S3 = +1.5V
+1.5V
S1 OPEN
-1.5V
B
A
S3
R
GENERATOR
t
RZH
RECEIVER
OUTPUT
, t
RZH(SHDN)
V
ID
V
OH
/ 2
R
Test Circuits and Waveforms (continued)
V
0
V
0
50Ω
CC
OH
V
0
V
0
CC
OH
Figure 7. Receiver Propagation Delays
C
15pF
L
RO
RE
RO
1kΩ
A
B
RO
RE
THE RISE TIME AND FALL TIME OF INPUTS A AND B < 4ns
V
V
OH
OL
t
RLZ
V
CC
/2
S1 CLOSED
S3 = -1.5V
S1
S2
S2 OPEN
V
CC
S1 CLOSED
S3 = -1.5V
0.25V
S2 OPEN
/2
t
RPLH
t
RZL
, t
V
CC
RZL(SHDN)
V
CC
(V
/2
OL
+ V
CC
) / 2
V
0
V
V
CC
CC
OL
V
0
V
V
CC
CC
OL
t
RPHL
+1V
-1V
11