SP3220EBEA-L-TR Datasheet, PDF (6/20 Pages) Exar Corporation – 3.0V to +5.5V RS-232 Driver/Receiver Pair

PIN FUNCTION
NAME
EN
C1+
V+
C1-
C2+
C2-
V-
R₁IN
R₁OUT
T₁IN
T₁OUT
GND
V_CC
SHDN
N.C.
FUNCTION
Receiver Enable. Apply Logic LOW for normal operation.
Apply logic HIGH to disable the receiver outputs (high-Z state)
Positive terminal of the voltage doubler charge-pump capacitor
+5.5V output generated by the charge pump
Negative terminal of the voltage doubler charge-pump capacitor
Positive terminal of the inverting charge-pump capacitor
Negative terminal of the inverting charge-pump capacitor
-5.5V output generated by the charge pump
RS-232 receiver input
TTL/CMOS receiver output
TTL/CMOS driver input
RS-232 driver output.
Ground
+3.0V to +5.5V supply voltage
Shutdown Control Input. Drive HIGH for normal device operation.
Drive LOW to shutdown the drivers (high-Z output) and the on-
board power supply
No Connect
PIN NUMBER
1
2
3
4
5
6
7
8
9
11
13
14
15
16
10, 12
Table 1. Device Pin Description
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
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SP3220E_EB_EU_102_102016