isl81334 Intersil Corporation, isl81334 Datasheet - Page 21

• Manufacturer Part Number: isl81334
• Description: ?15kv Esd Protected, 5v, Two Port, Dual Protocol Rs-232/rs-485 Transceivers
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 22. RS-485, DRIVER PROPAGATION DELAY vs
FIGURE 24. RS-485, DRIVER PROPAGATION DELAY vs
FIGURE 26. RS-485, DRIVER PROPAGATION DELAY vs
1700
1650
1600
1550
1500
1450
1400
560
550
540
530
520
510
500
490
480
470
40
35
30
25
20
-40
-40
-40
R
R
R
DIFF
DIFF
DIFF
-25
-25
-25
= 54Ω, C
TEMPERATURE (SLOW DATA RATE, QFN ONLY)
TEMPERATURE (MEDIUM DATA RATE, QFN
ONLY)
TEMPERATURE (FAST DATA RATE)
= 54Ω, C
= 54Ω, C
t
DHL
t
DHL
L
L
L
= 100pF
= 100pF
= 100pF
0
TEMPERATURE (°C)
0
TEMPERATURE (°C)
0
TEMPERATURE (°C)
t
DHL
21
25
25
25
t
t
DLH
DLH
t
DHL
t
DLH
V
50
CC
50
50
= V
t
DHL
L
ISL81334, ISL41334
= 5V, T
75
75
75
85
A
85
85
= +25°C; Unless Otherwise Specified. (Continued)
FIGURE 23. RS-485, DRIVER SKEW vs TEMPERATURE
FIGURE 25. RS-485, DRIVER SKEW vs TEMPERATURE
FIGURE 27. RS-485, DRIVER SKEW vs TEMPERATURE
120
100
400
350
300
250
200
150
100
80
60
40
20
2.5
2.0
1.5
1.0
0.5
50
0
0
-40
-40
-40
|t
R
R
|t
R
PHLZ
DIFF
DIFF
PHLZ
DIFF
-25
-25
-25
(SLOW DATA RATE, QFN ONLY)
- t
(MEDIUM DATA RATE, QFN ONLY)
(FAST DATA RATE)
= 54Ω, C
= 54Ω, C
= 54Ω, C
- t
PLHY
PLHY
|t
|t
PLHZ
|t
PHLZ
|
PLHZ
|
L
L
L
= 100pF
= 100pF
= 100pF
TEMPERATURE (°C)
0
TEMPERATURE (°C)
TEMPERATURE (°C)
0
- t
0
- t
- t
PHLY
PLHY
|t
PHLY
DLH
|t
|
|
DLH
|t
|
- t
DLH
25
DHL
25
25
- t
|t
PLHZ
- t
DHL
|
DHL
|
- t
|
PHLY
50
50
50
|
November 21, 2007
75
75
75
FN6202.3
85
85
85