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SP3238EEY-L

Description
Quint Transmitter Triple Receiver RS-232 28-Pin TSSOP
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size679KB,20 Pages
ManufacturerMaxLinear Inc
Environmental Compliance
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SP3238EEY-L Overview

Quint Transmitter Triple Receiver RS-232 28-Pin TSSOP

SP3238EEY-L Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
FunctionLine Transceiver
Data Rate250Kbps(Min)
Transmitter Communication TypeRS-232
Receiver Communication TypeRS-232
Interface StandardsEIA/TIA-232|EIA/TIA-232-F|EIA/TIA-562|RS-232
Data Transmission TopologyPoint-to-Point
Number of Transceivers1
Number of Transmitters5
Number of Receivers3
Transmitter Signal TypeSingle-Ended
Receiver Signal TypeSingle-Ended
Number of Drivers per Line1
Number of Receivers per Line1
Driving Mode3-State
Number of Transmitter Enables2
Number of Receiver Enables0
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Power Supply TypeSingle
Minimum Single Supply Voltage (V)3
Typical Single Supply Voltage (V)3.3|5
Maximum Single Supply Voltage (V)5.5
Maximum Supply Current (mA)1
Supplier Temperature GradeExtended
Pin Count28
Supplier PackageTSSOP
Standard Package NameSOP
MountingSurface Mount
Package Height1
Package Length9.7
Package Width4.4
PCB changed28
Lead ShapeGull-wing
SP3238E
Intelligent +3.0V to +5.5V RS-232 Transceiver
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
wakes up from a 1µA shutdown
■ Minimum 250Kbps data rate under load
■ Regulated Charge Pump Yields Stable
RS-232 Outputs Regardless of V
CC
Variations
■ Enhanced ESD Specifications:
+15kV Human Body Model
+15kV IEC61000-4-2 Air Discharge
+8kV IEC61000-4-2 Contact Discharge
C2+ 1
GND 2
C2- 3
V- 4
T1OUT 5
T2OUT
T3 OUT
R1IN
R 2IN
6
7
8
9
SP3238E
28 C1+
27 V+
26 V
CC
25
C1-
24 T1 IN
23 T2 IN
22 T3 IN
21 R1OUT
20 R2OUT
19 T4IN
18
17
16
R3 OUT
T5 IN
R1OUT
T4OUT 10
R3 IN 11
T5 OUT 12
ONLINE 13
SHUTDOWN 14
15 STATUS
Now Available in Lead Free Packaging
The SP3238E device is an RS-232 transceiver solution intended for portable or hand-held applications
such as notebook and palmtop computers. The SP3238E uses an internal high-efficiency, charge-pump
power supply that requires only 0.1µF capacitors in 3.3V operation. This charge pump and Exar's driver
architecture allow the SP3238E device to deliver compliant RS-232 performance from a single power
supply ranging from +3.0V to +5.5V. The SP3238E is a 5-driver / 3-receiver device that is ideal for laptop
/ notebook computer and PDA applications. The SP3238E includes one complementary receiver that
remains alert to monitor an external device's Ring Indicate signal while the device is shutdown.
The
AUTO ON-LINE
®
feature allows the device to 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.
DESCRIPTION
Device
Power
Supplies
+3.0V to +5.5V
+3.0V to +5.5V
+3.0V to +5.5V
+3.0V to +5.5V
RS-232
Drivers
1
2
3
5
RS-232
Receivers
1
2
5
3
External
Components
4 Capacitors
4 Capacitors
4 Capacitors
4 Capacitors
Auto
On-Line
Circuitry
No
Yes
Yes
Yes
SELECTION TABLE
TTL 3-State
# of
Pins
16
20
28
28
SP3220E
SP3223E
SP3243E
SP3238E
Yes
Yes
Yes
Yes
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
SP3238E_100_020111
1

SP3238EEY-L Related Products

SP3238EEY-L SP3238EEY-L/TR
Description Quint Transmitter Triple Receiver RS-232 28-Pin TSSOP Quint Transmitter Triple Receiver RS-232 28-Pin TSSOP T/R
EU restricts the use of certain hazardous substances Compliant Compliant
ECCN (US) EAR99 EAR99
Part Status Active Active
HTS 8542.39.00.01 8542.39.00.01
Function Line Transceiver Line Transceiver
Data Rate 250Kbps(Min) 250Kbps(Min)
Transmitter Communication Type RS-232 RS-232
Receiver Communication Type RS-232 RS-232
Interface Standards EIA/TIA-232|EIA/TIA-232-F|EIA/TIA-562|RS-232 EIA/TIA-232|RS-232|EIA/TIA-232-F|EIA/TIA-562
Data Transmission Topology Point-to-Point Point-to-Point
Number of Transceivers 1 1
Number of Transmitters 5 5
Number of Receivers 3 3
Transmitter Signal Type Single-Ended Single-Ended
Receiver Signal Type Single-Ended Single-Ended
Number of Drivers per Line 1 1
Number of Receivers per Line 1 1
Driving Mode 3-State 3-State
Number of Transmitter Enables 2 2
Minimum Operating Temperature (°C) -40 -40
Maximum Operating Temperature (°C) 85 85
Power Supply Type Single Single
Minimum Single Supply Voltage (V) 3 3
Typical Single Supply Voltage (V) 3.3|5 3.3|5
Maximum Single Supply Voltage (V) 5.5 5.5
Maximum Supply Current (mA) 1 1
Supplier Temperature Grade Extended Extended
Pin Count 28 28
Supplier Package TSSOP TSSOP
Standard Package Name SOP SOP
Mounting Surface Mount Surface Mount
Package Height 1 1
Package Length 9.7 9.7
Package Width 4.4 4.4
PCB changed 28 28
Lead Shape Gull-wing Gull-wing
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