ISL8490E Intersil Corporation, ISL8490E Datasheet - Page 10

• Manufacturer Part Number: ISL8490E
• Description: RS-485/RS-422 Transceivers
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 10. DRIVER PROPAGATION DELAY vs
FIGURE 12. DRIVER PROPAGATION DELAY vs
FIGURE 14. DRIVER AND RECEIVER WAVEFORMS,
5
0
750
700
650
600
550
500
450
30
28
26
24
22
20
18
16
4
3
2
1
0
-40
-40
DI
Y
Z
t
PHLY
t
PLHY
t
-25
RO
PLHZ
-25
TEMPERATURE (ISL8488E/ISL8489E)
TEMPERATURE (ISL8490E/ISL8491E)
LOW TO HIGH (ISL8488E/ISL8489E)
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TIME (400ns/DIV)
10
25
25
R
DIFF
ISL8488E, ISL8489E, ISL8490E, ISL8491E
t
t
PLHY
PHLZ
= 54Ω, C
V
50
CC
50
L
= 5V, T
= 100pF
t
PHLY
t
t
PLHZ
PHLZ
A
75
75
= +25°C; Unless Otherwise Specified.
5
0
85
85
FIGURE 13. DRIVER SKEW vs TEMPERATURE
FIGURE 15. DRIVER AND RECEIVER WAVEFORMS,
FIGURE 11. DRIVER SKEW vs TEMPERATURE
250
200
150
100
5
0
4
3
2
1
0
50
0
5
4
3
2
1
0
-40
-40
Y
Z
|CROSS PT. OF Y↑ AND Z↓ TO CROSS PT. OF Y↓ AND Z↑|
|CROSS PT. OF Y↑ AND Z↓ TO CROSS PT. OF Y↓ AND Z↑|
RO
-25
DI
-25
(ISL8488E/ISL8489E)
(ISL8490E/ISL8491E)
HIGH TO LOW (ISL8488E/ISL8489E)
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
|t
TIME (400ns/DIV)
PLHY
|t
- t
PHLY
PHLZ
25
25
R
www.DataSheet4U.com
DIFF
- t
|
|t
|t
PLHZ
PLHY
= 54Ω, C
PHLY
|
50
- t
- t
50
PHLZ|
PLHZ|
L
= 100pF
July 26, 2007
75
FN6073.4
75
5
0
85
85