SP3222EUCY-L/TR Exar Corporation, SP3222EUCY-L/TR Datasheet - Page 5

• Manufacturer Part Number: SP3222EUCY-L/TR
• Description: 1Mbps, 3.0V To 5.5V RS-232 2-driver/2-receiver, Low-power Shutdown
• Manufacturer: Exar Corporation
• Type: Transceiverr

Specifications of SP3222EUCY-L/TR

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 1. Device Pin Description
NAME
R
R
T
T
SHDN
GND
R
R
T
T
N.C.
C1+
C2+
1
2
1
2
C1-
C2-
V
EN
V+
OUT
OUT
V-
OUT
OUT
1
2
1
2
IN
IN
CC
IN
IN
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 driver output.
RS-232 driver output.
RS-232 receiver input
RS-232 receiver input
TTL/CMOS receiver output
TTL/CMOS receiver output
TTL/CMOS driver input
TTL/CMOS driver input
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
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
FUNCTION
5
SOIC
15
14
13
10
12
16
17
18
11
1
2
3
4
5
6
7
8
9
-
SP3222EU
SP3222EU/SP3232EU_100_120810
TSSOP
PIN NUMBER
SSOP
11, 14
17
16
15
10
13
12
18
19
20
PIN FUNCTION
1
2
3
4
5
6
7
8
9
SP3232EU
14
13
12
10
15
16
11
1
2
3
4
5
6
7
8
9
-
-
-