SP483 SIPEX [Sipex Corporation], SP483 Datasheet - Page 7

• Manufacturer Part Number: SP483
• Description: Low Power Half-Duplex RS-485 Transceivers
• Manufacturer: SIPEX [Sipex Corporation]

Rev. 07/16/02
Figure 7. Driver Enable and Disable Times
Figure 8. Receiver Propagation Delays
Figure 9. Receiver Enable and Disable Times
RE
A, B
A, B
t
DE
R
R
SKEW =
A – B
+3V
V
V
0V
5V
0V
V
+3V
V
IH
IL
0V
5V
0V
OH
OL
R
| t
V
V
PHL -
0D2
0D2
V
V
OH
OL
+
–
t
PLH
f
f
SP481/485
SP481/485
|
t
PHL
SP481/483/485 Low Power Half-Duplex RS485 Transceivers
f
SP481/485
1.5V
1.5V
1.5V
1.5V
= 1MHz; f
= 1MHz; f
2.3V
2.3V
t
0V
t
ZH
ZL
t
= 1MHz; f
t
ZH
ZL
1.5V
Output normally HIGH
Output normally LOW
SP483
SP483
Output normally HIGH
Output normally LOW
SP483
7
= 100kHz; t
= 100kHz; t
OUTPUT
INPUT
= 100kHz; t
R
R
R
< 10ns; t
< 10ns; t
< 10ns; t
t
PLH
F
F
F
1.5V
< 10ns
< 10ns
< 10ns
0V
0.5V
0.5V
1.5V
© Copyright 2002 Sipex Corporation
0.5V
0.5V
1.5V
t
t
HZ
LZ
t
t
HZ
LZ