SP491ECN Sipex Corporation, SP491ECN Datasheet
SP491ECN
Manufacturer Part Number
SP491ECN
Description
Manufacturer
Sipex Corporation
Specifications of SP491ECN
Date_code
04
Available stocks
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Company:
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SP491ECN
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SIPEX
Quantity:
2 862
Company:
Part Number:
SP491ECN
Manufacturer:
SIPEX
Quantity:
1 000
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SP491ECN
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Part Number:
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Part Number:
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DESCRIPTION…
The SP490E is a low power differential line driver/receiver meeting RS-485 and RS-422
standards up to 10Mbps. The SP491E is identical to the SP490E with the addition of driver
and receiver tri-state enable lines. Both products feature 200mV receiver input sensitivity,
over wide common mode range. The SP490E is available in 8-pin plastic DIP and 8-pin NSOIC
packages for operation over the commercial and industrial temperature ranges. The SP491E
is available in 14-pin DIP and 14-pin NSOIC packages for operation over the commercial and
industrial temperature ranges.
SP490EDS/14
+5V Only
Low Power BiCMOS
Driver/Receiver Enable (SP491E)
RS-485 and RS-422 Drivers/Receivers
Pin Compatible with LTC490 and
SN75179 (SP490E)
Pin Compatible with LTC491 and
SN75180 (SP491E)
Improved ESD Specifications:
Enhanced Full Duplex RS-485 Transceivers
15kV Human Body Model
15kV IEC1000-4-2 Air Discharge
8kV IEC1000-4-2 Contact Discharge
GND
Vcc
R
D
4
1
2
3
®
SP490E
D
R
SP490E Enhanced Full Duplex RS-485 Transceivers
6
8
7
5
A
B
Z
Y
1
Now available in Lead Free
GND
GND
REB
NC
DE
R
D
SP490E/SP491E
1
2
3
4
5
6
7
SP491E
D
R
© Copyright 2000 Sipex Corporation
14
13
12
11
10
9
8
Vcc
NC
A
B
Z
Y
NC
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