MAX3070E Maxim, MAX3070E Datasheet - Page 11

• Manufacturer Part Number: MAX3070E
• Description: +3.3V / 15kV ESD-Protected / Fail-Safe / Hot-Swap / RS-485/RS-422 Transceivers
• Manufacturer: Maxim

Figure 6. Receiver Propagation Delay Test Circuit
Figure 8. Receiver Enable and Disable Times
RO
RE
ATE
RO
RE
0.25V
______________________________________________________________________________________
Hot-Swap, RS-485/RS-422 Transceivers
1.5V
t
+3.3V, ±15kV ESD-Protected, Fail-Safe,
RHZ
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
Test Circuits and Waveforms (continued)
R
3V
0
V
0
50Ω
OH
3V
0
V
0
OH
Figure 7. Receiver Propagation Delays
C
15pF
L
RO
RE
RO
A
B
1kΩ
RO
RE
THE RISE TIME AND FALL TIME OF INPUTS A AND B < 4ns
V
V
OH
OL
t
RLZ
1.5V
S1 CLOSED
S3 = -1.5V
S1
S2
S2 OPEN
1.5V
S1 CLOSED
S3 = -1.5V
0.25V
S2 OPEN
t
RPLH
t
RZL
, t
V
CC
RZL(SHDN)
1.5V
(V
OL
+ V
CC
) / 2
3V
0
V
V
CC
OL
3V
0
V
V
CC
OL
t
RPHL
+1V
-1V
11