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SP3222EBCT-L/TR Scheda tecnica(PDF) 5 Page - Exar Corporation

Il numero della parte SP3222EBCT-L/TR
Spiegazioni elettronici  True 3.0V to 5.5V RS-232 Transceivers
PDF  24 Pages
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Produttore elettronici  EXAR [Exar Corporation]
Homepage  http://www.exar.com
Logo EXAR - Exar Corporation

SP3222EBCT-L/TR Scheda tecnica(HTML) 5 Page - Exar Corporation

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Table 1. Device Pin Description
NAME
FUNCTION
PIN NUMBER
SP3222EB
SP3232EB
SOIC
SSOP
TSSOP
SSOP
TSSOP
NSOIC
WSOIC
QFN
EN
Receiver Enable. Apply Logic LOW for normal operation.
Apply logic HIGH to disable the receiver outputs (high-Z state)
1
1
-
-
C1+
Positive terminal of the voltage doubler charge-pump capacitor
2
2
1
15
V+
+5.5V output generated by the charge pump
3
3
2
16
C1-
Negative terminal of the voltage doubler charge-pump capacitor
4
4
3
1
C2+
Positive terminal of the inverting charge-pump capacitor
5
5
4
2
C2-
Negative terminal of the inverting charge-pump capacitor
6
6
5
3
V-
-5.5V output generated by the charge pump
7
7
6
4
T
1OUT
RS-232 driver output.
15
17
14
12
T
2OUT
RS-232 driver output.
8
8
7
5
R
1IN
RS-232 receiver input
14
16
13
11
R
2IN
RS-232 receiver input
9
9
8
6
R
1OUT
TTL/CMOS receiver output
13
15
12
10
R
2OUT
TTL/CMOS receiver output
10
10
9
7
T
1IN
TTL/CMOS driver input
12
13
11
9
T
2IN
TTL/CMOS driver input
11
12
10
8
GND
Ground.
16
18
15
13
V
CC
+3.0V to +5.5V supply voltage
17
19
16
14
SHDN
Shutdown Control Input. Drive HIGH for normal device opera-
tion. Drive LOW to shutdown the drivers (high-Z output) and
the on-board power supply
18
20
-
-
N.C.
No Connect
-
11, 14
-
-
PIN FUNCTION
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7000• www.exar.com
SP3222EB/SP3232EB_106_022316
5



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