SP3243EET-L Exar Corporation, SP3243EET-L Datasheet - Page 13

• 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

Date: 2/05/06
Figure 21. Charge Pump — Phase 1
Figure 23. Charge Pump Waveforms
Figure 24. Charge Pump — Phase 3
Figure 22. Charge Pump — Phase 2
Figure 25. Charge Pump — Phase 4
2
C
1
b) C
a) C
+
–
1
2
V
C
CC
2+
2
C
-
1
–5V
1
Ch1 2.00V
+
–
C
= +5V
V
+
–
1
CC
V
–5V
+
–
CC
V
= +5V
CC
SP3243 +3.0V to +5.5V RS-232 Transceivers
= +5V
= +5V
C
2
[
+5.5V
+
–
Ch2
C
2
C
C
+5V
–5V
+
–
2
2
2.00V M 1.00μs Ch1 1.96V
+5V
–5V
–5.5V
+
–
+
–
T
T
T
13
+
–
C
C
3
+
4
–
+
–
C
V
V
C
+
–
C
3
DD
SS
C
4
+
3
–
+
–
4
+
C
–
Storage Capacitor
Storage Capacitor
C
3
V
V
+
4
]
–
V
V
DD
SS
DD
SS
V
V
Storage Capacitor
Storage Capacitor
Storage Capacitor
Storage Capacitor
DD
SS
Storage Capacitor
Storage Capacitor
+6V
-6V
0V
0V
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