lms1487e National Semiconductor Corporation, lms1487e Datasheet - Page 2

• Manufacturer Part Number: lms1487e
• Description: Low Power Rs-485 / Rs-422 Differential Bus Transceiver
• Manufacturer: National Semiconductor Corporation

www.national.com
Connection Diagram
Truth Table
Note:
DRIVER SECTION
RECEIVER SECTION
*
X = Irrelevant
Z = TRI-STATE
H = High level
L = Low level
= Non Terminated, Open Input only
RE
RE
H
X
X
X
L
L
L
*
*
DE
DE
H
H
X
L
L
L
L
8-Pin SOIC / DIP
Top View
DI
2
H
L
X
OPEN
≥ +0.2V
≤ −0.2V
A-B
X
20085602
*
A
H
L
Z
RO
B
H
H
H
Z
Z
L
L