SP3223EBCA-L/TR Exar Corporation, SP3223EBCA-L/TR Datasheet - Page 8

• Manufacturer Part Number: SP3223EBCA-L/TR
• Description: Intelligent +3.0V To +5.5V RS-232 Transceivers
• Manufacturer: Exar Corporation
• Type: Transceiverr

Specifications of SP3223EBCA-L/TR

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SHUTDOWN
STATUS
ONLINE
R
R
T
T
Name
GND
R
R
C+
C2+
T
T
2

C-
C2-
2

Vcc
EN
V+
OUT
OUT
OUT
OUT
V-
2

2

IN
IN
IN
IN
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50)668-707 • www.exar.com
Receiver Enable, Apply logic LOW for normal operation. Apply logic HIGH to
disable receiver outputs (high-Z state).
Positive terminal of the voltage doubler charge-pump capacitor
Regulated +5.5V output generated by 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
Regulated -5.5V output generated by charge pump
RS-232 Driver output
RS-232 receiver input
TTL/CMOS receiver output
TTL/CMOS output indicating online and shutdown status
TTL/CMOS driver input
TTL/CMOS driver input
Apply logic HIGH to override AUTO ON-LINE ® circuitry keeping drivers active
(SHUTDOWN must also be logic HIGH, refer to table 2).
TTL/CMOS receiver output
RS-232 receiver input
RS-232 Driver output
Ground
+3.0V to +5.5V supply voltage
Apply logic LOW to shut down drivers and charge pump. This overrides all
AUTO ON-LINE ® circuitry and ONLINE (refer to table 2).
8
Function
PIN DESCRIPTION
SP3223E/EB/EU_00_20
Pin #
0
2
3
4
5
6
7
8
9
20


2
3
4
5
6
7
8
9