SP3243EET-L Exar Corporation, SP3243EET-L Datasheet - Page 7

• Manufacturer Part Number: SP3243EET-L
• Description: IC TXRX RS232 INTELLIGNT 28WSOIC
• Manufacturer: Exar Corporation
• Type: Transceiverr

Specifications of SP3243EET-L

• Package / Case: 28-SOIC (0.300", 7.50mm Width)
• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Function: Transceiver
• Mounting Style: SMD/SMT
• Supply Current: 1 uA
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3 V
• Logic Type: RS-232 Transceivers
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1016-1122-5

Figure 9. SP3243E QFN Pinout Configuration
Figure 8. SP3243E Typical Operating Circuit
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
T
T
1
2
R
R
R
R
R
OUT
OUT
4
5
NC
1
2
3
TTL/CMOS
TTL/CMOS
OUTPUTS
IN
IN
IN
IN
IN
INPUTS
To µ P Supervisor
C2
C1
C5
1
2
3
4
5
6
7
8
Circuit
+
+
+
0.1 µ F
0.1 µ F
0.1 µ F
V
CC
12
16
28
24
14
13
20
19
18
17
15
22
23
21
1
2
C1+
C1-
C2+
C2-
T
R
R
R
T
T
R
SHUTDOWN
ONLINE
STATUS
R
R
SP3243E
1
2
3
2
1
2
3
4
5
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
SP3243E
V
7
GND
CC
26
V
25
CC
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
T
T
T
1
2
3
R
R
R
R
R
OUT
OUT
OUT
3
4
5
V+
1
2
V-
IN
IN
IN
IN
IN
10
11
4
5
7
8
3
6
27
9
C3
C4
24
23
22
21
20
19
18
17
RS-232
OUTPUTS
RS-232
INPUTS
+
+
NC
GND
C1-
ONLINE
SHUTDOWN
STATUS
R
0.1 µ F
0.1 µ F
R
2
1
OUT
OUT
SP3243E_101_111009