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SP486ECT 数据表(PDF) 4 Page - Sipex Corporation

部件名 SP486ECT
功能描述  Enhanced Quad RS-485/RS-422 Line Drivers
PDF  11 Pages
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制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SP486ECT 数据表(HTML) 4 Page - Sipex Corporation

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SP486E/487EDS/06
SP486E/487E Enhanced Quad RS-485/RS-422 Line Drivers
© Copyright 2000 Sipex Corporation
PINOUT — SP487E
1
2
3
4
SP487E
DI1
DO1A
DO1B
EN1/EN2
DO2B
DO2A
DI2
GND
VCC
DI4
DO4A
DO4B
EN3/EN4
DO3B
DO3A
DI3
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SP487E PINOUT
Pin 1 — DI
1 — Driver 1 Input — If Driver 1
output is enabled, logic 0 on DI
1 forces driver
output DO
1A low and DO1B high. A logic 1 on
DI
1 with Driver 1 output enabled forces driver
DO
1A high and DO1B low.
Pin 2 — DO
1A — Driver 1 output A.
Pin 3 — DO
1B — Driver 1 output B.
Pin 4 — EN
1/EN2 — Driver 1 and 2 Output
Enable. Please refer to SP487E Truth Table (2).
Pin 5 — DO
2B — Driver 2 output B.
Pin 6 — DO
2A — Driver 2 output A.
Pin 7 — DI
2 — Driver 2 Input — If Driver 2
output is enabled, logic 0 on DI
2 forces driver
output DO
2A low and DO2B high. A logic 1 on
DI
2 with Driver 2 output enabled forces driver
DO
2A high and DO2B low.
Pin 8 — GND — Digital Ground.
Pin 9 — DI
3 — Driver 3 Input — If Driver 3
output is enabled, logic 0 on DI
3 forces driver
output DO
3A low and DO3B high. A logic 1 on
DI
3 with Driver 3 output enabled forces driver
DO
3A high and DO3B low.
Pin 10 — DO
3A — Driver 3 output A.
INPUT
ENABLES
OUTPUTS
DI
EN
EN
OUTA
OUTB
HH
X
H
L
LH
X
L
H
HX
L
H
L
LX
L
L
H
X
L
H
Hi–Z
Hi–Z
Table 1. SP486E Truth Table
INPUT
ENABLES
OUTPUTS
DI
EN1/EN2 or EN3/EN4
OUTA
OUTB
HHH
L
LH
L
H
X
L
Hi–Z
Hi–Z
Table 2. SP487E Truth Table
Pin 11 — DO
3B — Driver 3 output B.
Pin 12 — EN
3/EN4 — Driver 3 and 4 Output
Enable. Please refer to SP487E Truth Table (2).
Pin 13 — DO
4B — Driver 4 output B.
Pin 14 — DO
4A — Driver 4 output A.
Pin 15 — DI
4 — Driver 4 Input — If Driver 4
output is enabled, logic 0 on DI
4 forces driver
output DO
4A low and DO4B high. A logic 1 on
DI
4 with Driver 3 output enabled forces driver
DO
4A high and DO4B low.
Pin 16 — Supply Voltage V
CC — 4.75V ≤ VCC ≤
5.25V.
FEATURES…
The SP486E and SP487E are low–power quad
differential line drivers meeting RS-485 and
RS-422 standards. The SP486E features active
high and active low common driver enable
controls; the SP487E provides independent,
active high driver enable controls for each pair
of drivers. The driver outputs are short–circuit
limited to 200mA. Data rates up to 10Mbps are
supported. Both are available in 16–pin plastic
DIP and SOIC packages.



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