MAX1484EUB+ Maxim Integrated Products, MAX1484EUB+ Datasheet - Page 11

• Manufacturer Part Number: MAX1484EUB+
• Description: IC TXRX RS485/RS422 10-UMAX
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX1484EUB+

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Software-Selectable, Half-/Full-Duplex, Slew-Rate-Limited,
Figure 5. Driver DC Test Load
Figure 7. Driver Timing Test Circuit
Figure 9. Driver Propagation Delays
V
DIFF
DI
12Mbps, RS-485/RS-422 Transceivers in µMAX Package
-V
3V
0V
V
0V
Z
Y
O
O
V
1/2 V
O
1.5V
t
R
10%
O
Y
Z
DI
DE
______________________________________________________________________________________
3V
V
OD
90%
t
DPLH
Y
t
Z
SKEW =
V
DIFF
V
ID
= V
|
t
PLH
R
R
Y
- V
- t
t
Z
PHL
DPHL
V
R
C
C
OC
DIFF
|
L1
L2
t
F
90%
1.5V
10%
1/2 V
O
Figure 6. Receiver Enable/Disable Timing Test Load
Figure 8. Driver Enable/Disable Timing Test Load
Figure 10. Driver Enable and Disable Times
DE
Y, Z
Y, Z
V
3V
0V
0V
OL
RECEIVER
UNDER TEST
OUTPUT
OUTPUT
1.5V
C
TEST POINT
L
2.3V
2.3V
C
L
t
D
DZL(SHDN)
ZH(SHDN)
500
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
1k
, t
, D
DPL
ZH
S1
S2
D
t
DLZ
HZ
S1
S2
1k
1.5V
V
V
OL
OH
V
V
CC
+0.5V
CC
-0.5V
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