SP3243EBER Exar Corporation, SP3243EBER Datasheet

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SP3243EBER

Manufacturer Part Number
SP3243EBER
Description
Manufacturer
Exar Corporation
Datasheet
1.SP3243EBER.pdf (24 pages)

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
SP3243EBER
Manufacturer:
SIPEX
Quantity:
418
Date: 2/05/06
FEATURES
■ Meets true EIA/TIA-232-F Standards
■ Interoperable with EIA/TIA-232 and
■ AUTO ON-LINE
■ Regulated Charge Pump Yields Stable
■ Enhanced ESD Specifications:
■ 250 Kbps min. transmission rate (EB)
■ 1000 Kbps min. transmission rate (EU)
■ Ideal for High Speed RS-232 Applications
The SP3243 products are 3 driver/5 receiver RS-232 transceiver solutions intended for portable or hand-
held applications such as notebook and palmtop computers. The SP3243 includes one complementary
receiver that remains alert to monitor an external device's Ring Indicate signal while the device is
shutdown. The SP3243E and EB devices feature slew-rate limited outputs for reduced crosstalk and
EMI. The "U" and "H" series are optimized for high speed with data rates up to 1Mbps, easily meeting
the demands of high speed RS-232 applications. The SP3243 series uses an internal high-efficiency,
charge-pump power supply that requires only 0.1μF capacitors in 3.3V operation. This charge pump and
Sipex's driver architecture allow the SP3243 series to deliver compliant RS-232 performance from a single
power supply ranging from +3.0V to +5.5V. The AUTO ON-LINE
automatically "wake-up" during a shutdown state when an RS-232 cable is connected and a connected
peripheral is turned on. Otherwise, the device automatically shuts itself down drawing less than 1μA.
S
S
S
S
S
S
P
P
from a +3.0V to +5.5V power supply
adheres to EIA/TIA-562 down to a +2.7V
power source
wakes up from a 1μA shutdown
RS-232 Outputs Regardless of V
Variations
D
P
P
P
+15kV Human Body Model
+15kV IEC1000-4-2 Air Discharge
+8kV IEC1000-4-2 Contact Discharge
3
P
3
e
3
3
3
3 Driver/5 Receiver Intelligent +3.0V to +5.5V
2
2
3
v
2
2
2
4
4
2
c i
4
4
4
3
3
4
3
3
3
e
E
E
3
B
U
E
B
U
+
+
+
+
+
+
3
3
3
3
3
3
0 .
0 .
0 .
0 .
0 .
0 .
S
P
V
V
V
V
V
V
u
o
p
o t
o t
o t
o t
o t
o t
w
p
e i l
r e
+
+
+
+
+
+
5
5
5
5
5
5
®
s
®
5 .
5 .
5 .
5 .
5 .
5 .
circuitry automatically
V
V
V
V
V
V
R
D
S
r
v i
2 -
3
3
3
3
3
3
e
3
s r
2
R
SP3243 +3.0V to +5.5V RS-232 Transceivers
R
e
S
c
e
2 -
5
5
5
5
5
5
v i
CC
3
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2
s r
C
4
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4
4
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o
c
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m
a
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a
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p
p
p
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a
a
a
a
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i c
i c
i c
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i c
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e
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l a
n
s r
s r
s r
s r
s r
s r
s t
Now Available in Lead Free Packaging
RS-232 Transceivers
A
U
i C
T
O
Y
Y
Y
Y
Y
Y
c r
O
E
E
E
E
E
E
u
N
T
T
T
S
S
S
S
S
S
L -
t i
2
3
1
y r
N I
R
R
R
R
R
OUT
OUT
T
T
T
OUT
C2+
C2-
3
2
1
E
1
2
3
4
5
IN
IN
IN
IN
IN
IN
IN
V-
IN
®
10
11
12
13
14
9
1
2
3
4
5
6
7
8
®
T
S
Y
Y
Y
Y
Y
Y
T
a t
feature allows the device to
E
E
E
E
E
E
L
e t
S
S
S
S
S
S
SP3243
- 3
SELECTION TABLE
© Copyright 2006 Sipex Corporation
P
#
2
2
2
2
2
2
n i
f o
8
8
8
8
8
8
s
28
27
26
25
24
20
19
18
17
16
15
23
22 SHUTDOWN
21
DESCRIPTION
G
SP3243
D
C1+
STATUS
V+
V
GND
ONLINE
R
R
R
R
R
C1-
R
a
a
CC
2
1
2
3
4
5
u
1
1
OUT
OUT
OUT
OUT
a t
OUT
OUT
2
2
1
1
a r
0
0
2
2
5
5
0
0
n
R
0
0
0
0
0
0
e t
a
e t
e
d
R
1
1
1
E
2
2
2
t a
5
5
5
S
k
k
k
k
k
k
n i
V
V
V
D
V
V
V
g

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SP3243EBER Summary of contents

Page 1

Driver/5 Receiver Intelligent +3.0V to +5.5V FEATURES ■ Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply ■ Interoperable with EIA/TIA-232 and adheres to EIA/TIA-562 down to a +2.7V power source ■ AUTO ON-LINE circuitry automatically ...

Page 2

ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...

Page 3

Unless otherwise noted, the following specifications apply for 0.1μF. Typical values apply at V PARAMETER MIN. RECEIVER INPUTS Input Voltage Range Input Threshold LOW Input Threshold LOW Input Threshold HIGH Input Threshold HIGH Input Hysteresis ...

Page 4

Unless otherwise noted, the following performance characteristics apply for V loaded with 3kΩ, 0.1μF charge pump capacitors, and T 200 150 100 T1 at 500Kbps 31.2Kbps All TX loaded 3K // CLoad 0 0 250 500 1000 ...

Page 5

Unless otherwise noted, the following performance characteristics apply for V loaded with 3kΩ, 0.1μF charge pump capacitors, and TxOUT + TxOUT - - 1000 2000 3000 Load Capacitance (pF) Figure 7. Transmitter ...

Page 6

NAME EN Receiver Enable. Apply logic LOW for normal operation. Apply logic HIGH to disable the receiver outputs (high-Z state). C1+ Positive terminal of the voltage doubler charge-pump capacitor. V+ Regulated +5.5V output generated by the charge pump. C1- Negative ...

Page 7

TTL/CMOS INPUTS TTL/CMOS OUTPUTS To μP Supervisor Figure 15. SP3243 Typical Operating Circuit OUT ...

Page 8

DESCRIPTION The SP3243 transceivers meet the EIA/TIA-232 and ITU-T V.28/V.24 communication protocols and can be implemented in battery-powered, portable, or hand-held applications such as note- book or palmtop computers. The SP3243 de- vices feature Sipex's proprietary and patented (U.S.-- 5,306,954) ...

Page 9

...

Page 10

SP3243 driver and receiver outputs can be found in Table 2. The SP3243 includes an additional non-invert- ing receiver with an output R OUT extra output that remains active and monitors activity while ...

Page 11

...

Page 12

RECEIVER RS-232 INPUT VOLTAGES STATUS DRIVER RS-232 OUTPUT VOLTAGES ® Figure 20. AUTO ON-LINE Timing Waveforms The first stage, shown in Figure 28, detects an inactive input. A logic HIGH is asserted on R INACT if the cable is disconnected ...

Page 13

C 1 Figure 21. Charge Pump — Phase – Figure 22. Charge Pump — Phase Ch1 2.00V Figure 23. Charge Pump Waveforms V CC ...

Page 14

Load Current Per Transmitter [mA] Figure 26. SP3243 Driver Output Voltages vs. Load Current per Transmitter + C5 0.1μ 0.1μ 0.1μ μP Supervisor Circuit DB-9 Connector ...

Page 15

...

Page 16

ESD TOLERANCE The SP3243 series incorporates ruggedized ESD cells on all driver output and receiver input pins. The ESD structure is improved over our previ- ous family for more rugged applications and environments sensitive to electro-static dis- charges and associated ...

Page 17

Power Source Figure 31. ESD Test Circuit for IEC1000-4-2 The circuit models in Figures30 and 31 represent the typical ESD testing circuit used for all three methods. The C is initially charged with ...

Page 18

DIMENSIONS (Inches) Minimum/Maximum Date: 2/05/06 PACKAGE: PLASTIC SMALL OUTLINE (SOIC) (WIDE) H 28–PIN (mm) A 0.090/0.104 (2.29/2.649) A1 0.004/0.012 (0.102/0.300) B 0.013/0.020 (0.330/0.508) D 0.697/0.713 (17.70/18.09) E 0.291/0.299 (7.402/7.600) e 0.050 BSC (1.270 BSC) ...

Page 19

SEATING PLANE Dimensions (mm MIN NOM MAX A 0.80 0.90 1. 0.02 ...

Page 20

INDEX AREA Pin SSOP JEDEC MO-150 (AH) Variation MIN NOM SYMBOL 0. 1.65 1. 9.9 10.2 ...

Page 21

INDEX AREA Pin TSSOP JEDEC MO-153 (AE) Variation MIN NOM SYMBOL 9.6 9.7 ...

Page 22

SP 3243 /TR Sipex Part Number CLICK HERE TO ORDER SAMPLES Corporation Solved by Sipex TM Date: 2/05/06 PRODUCT NOMENCLATURE Tape and Reel options “L” suffix indicates Lead Free packaging Package Type A= SSOP P= PDIP ...

Page 23

Part Number Speed (kbps) SP3243EBCA SP3243EBCA/TR SP3243EBCR SP3243EBCR/TR SP3243EBCT SP3243EBCT/TR SP3243EBCY SP3243EBCY/TR SP3243EBEA SP3243EBEA/TR SP3243EBET SP3243EBET/TR SP3243EBEY SP3243EBEY/TR SP3243ECA SP3243ECA/TR SP3243ECT SP3243ECT/TR SP3243ECY SP3243ECY/TR SP3243EEA SP3243EEA/TR SP3243EET SP3243EET/TR SP3243EEY SP3243EEY/TR SP3243EUCA SP3243EUCA/TR SP3243EUCR SP3243EUCR/TR SP3243EUCT SP3243EUCT/TR SP3243EUCY SP3243EUCY/TR SP3243EUEA SP3243EUEA/TR ...

Page 24

Contact factory for availability of the following legacy part numbers. For long term availability Sipex recommends upgrades as listed below. All upgrade part numbers shown are fully pinout and function compatible with legacy part numbers. Upgrade part numbers may contain ...

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