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