SP3244ECY-L Exar Corporation, SP3244ECY-L Datasheet - Page 2

• Manufacturer Part Number: SP3244ECY-L
• Description: IC TXRX RS232 28TSSOP
• Manufacturer: Exar Corporation
• Type: Transceiverr

Specifications of SP3244ECY-L

• Package / Case: 28-TSSOP (0.173", 4.40mm Width)
• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Function: Transceiver
• Mounting Style: SMD/SMT
• Supply Current: 1 uA
• Supply Voltage (max): + 6 V
• Supply Voltage (min): - 0.3 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: 1016-1129

SHUTDOWN
STATUS
ONLINE
R5OUT
R4OUT
R3OUT
R2OUT
ROUT
R2OUT
TOUT
T2OUT
T3OUT
NAME
RIN
R2IN
R3IN
R4IN
R5IN
T3IN
T2IN
TIN
GND
VCC
C2+
C+
C2-
C-
NC
V+
V-
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 50-668-707 • www.exar.com
Positive terminal of the inverting charge pump capacitor.
Negative terminal of the inverting charge pump capacitor.
Regulated -5.5V output generated by the charge pump.
RS-232 receiver input.
RS-232 receiver input.
RS-232 receiver input.
RS-232 receiver input.
RS-232 receiver input.
RS-232 driver output.
RS-232 driver output.
RS-232 driver output.
TTL/CMOS driver input.
TTL/CMOS driver input.
TTL/CMOS driver input.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
Non-inverting receiver 2 output; active in shutdown.
Status output.
Forced SHUTDOWN input. Drive low to shut down drivers, receivers
and charge pump. Will override Auto On-Line
this pin open.
Auto On-line
feature. Equivalent to competitor's FORCEON pin. Do not leave this
pin open.
Negative terminal of the voltage doubler charge pump capacitor.
Ground connection.
Device power supply pin (3.0V to 5.5V).
Regulated +5.5V output generated by the charge pump.
Positive terminal of the voltage doubler charge pump capacitor.
No connection.
®
Plus input. Active low enabled automatic power saving
FUNCTION
2
®
Plus. Do not leave
(T)SSOP
PIN ASSIgNmENTS
0

2
3
4
5
6
7
8
9
20
2
22
23
24
25
26
27
28
SP3244E_SP3245E_00_2509

2
3
4
5
6
7
8
9
-
PIN NUMBER
9, 6, 25, 32
QFN
29
30
3
0
2
3
4
5
7
8
9
20
2
22
23
24
26
27
28


2
3
4
5
6
7
8