MAX3292ESD+ Maxim Integrated Products, MAX3292ESD+ Datasheet - Page 8

• Manufacturer Part Number: MAX3292ESD+
• Description: IC TXRX RS485/422 10MBPS 14-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX3292ESD+

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Operating Supply Voltage: 5 V
• Mounting Style: SMD/SMT
• Product: RS-422/RS-485 Combination
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
Figure 3. Driver Timing Test Circuit
Figure 5. Driver Propagation Delays
Figure 7. Receiver Propagation Delays
8
RO
V
A +1V
B -1V
t
|
|
SKEW =
DIFF
Y
Y
DI
N
P
_______________________________________________________________________________________
- Z
- Z
5V
Z
Y
0 DIFFERENTIAL
0
N
N
P
N
|
0 DIFFERENTIAL
V
V
t
|
|
OH
OL
PLH
= V
= V
0 DIFFERENTIAL
ODP
- t
OD
1.5V
PHL
20%
|
DI
DE
5V
D
80%
t
DPLH
Y
t
Z
LH
t
V
RSKEW =
Z
V
Y
DIFF
P
ODP
P
1.5V
= V
t
RPHL
|
Y
t
RPLH
- V
t
R
DPHL
Z
C
DIFF
C
- t
L1
L2
t
HL
RPHL
80%
Z
Y
N
N
t
RPLH
|
1.5V
1.5V
20%
Z
Y
P
P
Figure 4. Shutdown Timing Diagram
Figure 6. Driver Enable and Disable Times
Figure 8. Receiver Enable and Disable Times
RO
RO
DE
*NOTE: V
RE
S2 AND S1 CLOSED, RESPECTIVELY.
RE
RO
DE = LOW
Y, Z
V
Y, Z
5V
3V
CC
0
0
0
0
OH
t < t
AND V
1.5V
SHDN
OL
1.5V
ARE THE OUTPUT LEVELS IN FIGURE 2 WITH
2.3V
2.3V
t
t
DZL(SHDN)
DZH(SHDN)
1.5V
1.5V
t
t
RZL(SHDN)
OUTPUT NORMALLY LOW
RZH(SHDN)
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
, t
, t
DZL
DZH
, t
, t
RZL
RZH
t > t
t
t
DHZ
t
t
RHZ
DLZ
SHDN
RLZ
t
RZH(SHDN)
1.5V
1.5V
V
V
V
V
OL
OH
OL
OH
* + 0.5V
* - 0.5V
+ 0.5V
- 0.5V
V
V
PH
PL