isl8485e Intersil Corporation, isl8485e Datasheet - Page 11

• Manufacturer Part Number: isl8485e
• Description: 5v, Half Duplex, 5mbps, ?15kv Esd Protected, Rs-485/rs-422 Transceiver
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 12. DRIVER PROPAGATION DELAY vs
FIGURE 14. DRIVER AND RECEIVER WAVEFORMS,
FIGURE 16. DRIVER AND RECEIVER WAVEFORMS,
5
0
5
0
4
3
2
1
0
4
3
2
1
0
40
35
30
25
20
-40
DI
DI
B / Z
A / Y
t
PHLZ
RO
RO
-25
B / Z
A / Y
TEMPERATURE (ISL8485E)
LOW TO HIGH (ISL8483E)
LOW TO HIGH (ISL8485E)
0
TEMPERATURE (°C)
TIME (400ns / DIV)
TIME (10ns / DIV)
t
PLHY
t
PHLY
11
25
R
R
DIFF
DIFF
= 54Ω, C
= 54Ω, C
V
CC
50
L
L
= 5V, T
t
= 100pF
= 100pF
PLHZ
ISL8483E, ISL8485E
A
75
= 25°C, ISL8483E and ISL8485E; Unless Otherwise Specified (Continued)
5
0
5
0
85
FIGURE 15. DRIVER AND RECEIVER WAVEFORMS,
FIGURE 17. DRIVER AND RECEIVER WAVEFORMS,
FIGURE 13. DRIVER SKEW vs TEMPERATURE (ISL8485E)
5
0
4
3
2
1
0
5
0
4
3
2
1
0
2.5
1.5
3
2
1
-40
A / Y
B / Z
|CROSSING PT. OF Y↑ & Z↓ - CROSSING PT. OF Y↓ & Z↑|
A / Y
B / Z
|t
RO
RO
PHLY
DI
DI
-25
HIGH TO LOW (ISL8483E)
HIGH TO LOW (ISL8485E)
- t
PLHZ
|
0
TEMPERATURE (°C)
TIME (400ns / DIV)
TIME (10ns / DIV)
25
R
R
DIFF
DIFF
= 54Ω, C
= 54Ω, C
|t
PLHY
50
L
L
- t
= 100pF
= 100pF
PHLZ
|
75
5
0
5
0
85