zt490erep ywyn Corporation, zt490erep Datasheet - Page 9
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zt490erep
Manufacturer Part Number
zt490erep
Description
Low Power 5v 250kbps/10mbps 128-fanout Rs485 Transceivers
Manufacturer
ywyn Corporation
Datasheet
1.ZT490EREP.pdf
(14 pages)
Pin Configuration
Zywyn Corporation
Typical Application Circuits
Notes:
A. The bus should be terminated at both ends in its characteristic impedance of R
B. Stub lengths off the main bus should be kept as short as possible.
C. Can connect up to 128 devices on the same common bus.
Zywyn
ZT487E/ZT485ER
8-Pin PDIP/nSOIC
D
R
D
R
128 Transceivers
ZT488ER/ZT490ER
on the bus
8-Pin PDIP/nSOIC
Up to
9
R
D
T
ZT489ER/ZT491ER
= Z
14-Pin PDIP/nSOIC
O
.
Specifications subject to change without notice
R
D
ZT4xxER
Febuary 2005
rev.1.2