isl81334 Intersil Corporation, isl81334 Datasheet - Page 22

• 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 28. RS-485, DRIVER AND RECEIVER WAVEFORMS,
FIGURE 30. RS-485, DRIVER AND RECEIVER WAVEFORMS,
FIGURE 32. RS-485, DRIVER AND RECEIVER WAVEFORMS,
5
0
5
0
5
0
5
4
3
2
1
0
5
4
3
2
1
0
5
4
3
2
1
0
Z
Y
Z
D
D
D
Y
Y
Z
Y
Y
Y
LOW TO HIGH (SLOW DATA RATE, QFN ONLY)
LOW TO HIGH (MEDIUM DATA RATE, QFN ONLY)
LOW TO HIGH (FAST DATA RATE)
TIME (400ns/DIV)
TIME (200ns/DIV)
TIME (10ns/DIV)
R
A
22
R
R
R
R
A
DIFF
DIFF
DIFF
R
= 60Ω, C
= 60Ω, C
= 60Ω, C
A
V
CC
L
L
L
= 100pF
= 100pF
= 100pF
= V
L
ISL81334, ISL41334
= 5V, T
5
0
5
0
5
0
A
= +25°C; Unless Otherwise Specified. (Continued)
FIGURE 29. RS-485, DRIVER AND RECEIVER WAVEFORMS,
FIGURE 31. RS-485, DRIVER AND RECEIVER WAVEFORMS,
FIGURE 33. RS-485, DRIVER AND RECEIVER WAVEFORMS,
5
0
5
0
5
0
5
4
3
2
1
0
5
4
3
2
1
0
5
4
3
2
1
0
Z
Z
Z
Y
Y
Y
HIGH TO LOW (SLOW DATA RATE, QFN ONLY)
HIGH TO LOW (MEDIUM DATA RATE, QFN ONLY)
D
HIGH TO LOW (FAST DATA RATE)
D
D
Y
Y
Y
TIME (400ns/DIV)
TIME (200ns/DIV)
TIME (10ns/DIV)
R
A
R
R
R
R
A
DIFF
DIFF
DIFF
R
= 60Ω, C
A
= 60Ω, C
= 60Ω, C
L
L
L
= 100pF
= 100pF
= 100pF
November 21, 2007
FN6202.3
5
0
5
0
5
0