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| SP3490EN-L-TR Datasheet, PDF (6/12 Pages) Exar Corporation – +3.3V Low Power Full-Duplex RS-485 Transceivers with 10Mbps Data Rate | |||
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SP3490
VCC 1
R2
8A
R
7B
D3
D
6Z
5Y
GND 4
NC 1
R2
REB
DE
3
4
D5
6
GND
GND
7
SP3491
R
D
14
13
VCC
NC
12 A
11 B
10 Z
9Y
8 NC
PIN FUNCTION
Pin Function SP3490
Pin 1 - Vcc - Positive supply +3.00V < Vcc < +3.60V
Pin 2 - R - Receiver output
Pin 3 - D - Driver input
Pin 4 - GND - Ground connection
Pin 5 - Y - Non-inverting driver output
Pin 6 - Z - Inverting driver output
Pin 7 - B - Inverting receiver Input
Pin 8 - A - Non-inverting receiver input
Pin Function SP3491
Pin 1 - NC - No connect
Pin 2 - R - Receiver output
Pin 3 - REB - Receiver cutput enable active LOW
Pin 4 - DE - Driver output enable active HIGH
Pin 5 - D - Driver input
Pin 6 - GND - Ground connection
Pin 7 - GND - Ground connection
Pin 8 - NC - No connect
Pin 9 - Y - Non-inverting driver output
Pin 10 - Z - Inverting driver output
Pin 11 - B - Inverting receiver Input
Pin 12 - A - Non-Inverting receiver input
Pin 13 - NC - No connect
Pin 14 - Vcc - Positive supply +3.00V < Vcc < +3.60V
Exar Corporation 48720 Kato Road, Fremont CA, 94538 ⢠510-668-7017 ⢠www.exar.com
SP3490_3491_102_102710
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