EN
3V
0V
t
ZL
F = 1MHZ: t
r
< 10ns: t
f
< 10ns
1.5V
t
LZ
1.5V
A, B
5V
V
OL
V
O
2.3V
Output normally low
Output normally high
2.3V
t
ZH
t
HZ
0.5V
V
OH
0V
0.5V
Figure 5. Driver Enable/Disable Timing
ORDERING INFORMATION
Quad RS485 Drivers:
Model .................................. Enable/Disable ........................ Temperature Range ......................... Package
SP486CS .......... Common; active Low and Active High ............ 0°C to +70°C .................. 16–pin Plastic DIP
SP486CT .......... Common; active Low and Active High ............ 0°C to +70°C ........................... 16–pin SOIC
SP486ES .......... Common; active Low and Active High .......... –40°C to +85°C ................ 16–pin Plastic DIP
SP486ET .......... Common; active Low and Active High .......... –40°C to +85°C ......................... 16–pin SOIC
SP487CS ............... One per driver pair; active High ................. 0°C to +70°C .................. 16–pin Plastic DIP
SP487CT ............... One per driver pair; active High ................. 0°C to +70°C ........................... 16–pin SOIC
SP487ES ............... One per driver pair; active High ............... –40°C to +85°C ................ 16–pin Plastic DIP
SP487ET ............... One per driver pair; active High ............... –40°C to +85°C ......................... 16–pin SOIC
SP486/487
Quad RS-485/RS-422 Line Drivers
© Copyright 2000 Sipex Corporation
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