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Datasheet> All Categories > Analog mixed-signal IC> Drivers and interfaces> ICL3238ECA-T
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ICL3238ECA-T

Description
TRIPLE LINE TRANSCEIVER, PDSO28, PLASTIC, MO-150AH, SSOP-28
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size1001KB，15 Pages
ManufacturerRochester Electronics
Websitehttps://www.rocelec.com/
Related ProductsFound19parts with similar functions to ICL3238ECA-T
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ICL3238ECA-T Overview

TRIPLE LINE TRANSCEIVER, PDSO28, PLASTIC, MO-150AH, SSOP-28

ICL3238ECA-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerRochester Electronics
Parts packaging codeSSOP
package instructionPLASTIC, MO-150AH, SSOP-28
Contacts28
Reach Compliance Codeunknown
Differential outputNO
Number of drives5
Input propertiesSCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-232; TIA-232; V.24; V.28
JESD-30 codeR-PDSO-G28
JESD-609 codee0
length10.2 mm
Humidity sensitivity level1
Number of functions3
Number of terminals28
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)240
Number of receiver bits3
Maximum seat height2 mm
Maximum supply voltage5.5 V
Minimum supply voltage3.15 V
Nominal supply voltage3.3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width5.3 mm

ICL3238ECA-T Preview

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ICL3238E
Data Sheet
July 2004
FN6012.3
±15kV
ESD Protected, +3V to +5.5V, 10nA,
250kbps, RS-232 Transceiver with
Enhanced Automatic Powerdown
The Intersil ICL3238E contains 3.0V to 5.5V powered
RS-232 transmitters/receivers which meet ElA/TIA-232 and
V.28/V.24 specifications, even at V
CC
= 3.0V. Additionally, it
provides
±
15kV ESD protection (IEC61000-4-2 Air Gap and
Human Body Model) on transmitter outputs and receiver
inputs (RS-232 pins). Targeted applications are cell phones,
Palmtops, and data cables where the low operational, and
even lower standby, power consumption is critical. Efficient
on-chip charge pumps, coupled with manual and enhanced
automatic powerdown functions, reduce the standby supply
current to a 10nA trickle. Small footprint packaging, and the
use of small, low value capacitors ensure board space
savings as well. Data rates greater than 250kbps are
guaranteed at worst case load conditions providing
compatibility with popular PC communication software.
The ICL3238E is a 5 driver, 3 receiver device optimized for
DCE applications with full hardware handshaking. It also
includes a noninverting always-active receiver for RING
INDICATOR monitoring.
This device, features an
enhanced automatic powerdown
function which powers down the on-chip power-supply and
driver circuits. This occurs when all receiver and transmitter
inputs detect no signal transitions for a period of 30s. The
ICL3238E powers back up, automatically, whenever it
senses a transition on any transmitter or receiver input.
The transmitter and logic inputs include active feedback
resistors that retain the input state once driven to a valid
logic level.
Table 1 summarizes the features of the ICL3238E, while
Application Note AN9863 summarizes the features of each
device comprising the ICL32XXE 3V family.
Features
• Pb-Free Available as an Option (see Ordering Info)
• ESD Protection for RS-232 I/O Pins to
±
15kV (IEC61000)
• Active Feedback Resistors on T
X
and Logic Inputs.
• Manual and Enhanced Automatic Powerdown Features
• Pin Compatible Replacement for MAX3238E, MAX3238,
SP3238E
• Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
• RS-232 Compatible Outputs at 2.7V Supply
• Flow Through Pinout
• Latch-Up Free
• On-Chip Voltage Converters Require Only Four External
Capacitors
• Receiver and Transmitter Hysteresis For Improved Noise
Immunity
• Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps
• Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . . 6V/
µ
s
• Wide Power Supply Range . . . . . . . Single +3V to +5.5V
• Low Supply Current in Powerdown State. . . . . . . . . 10nA
Applications
• Any System Requiring RS-232 Communication Ports
- Battery Powered, Hand-Held, and Portable Equipment
- Data Cradles
- Modems, Printers and other Peripherals
- Cellular/Mobile Phones, Data Cables
TABLE 1. SUMMARY OF FEATURES
NO. OF
MONITOR Rx.
(R
OUTB
)
1
DATA
RATE
(kbps)
250
MANUAL
POWER-
DOWN?
Yes
ENHANCED
AUTOMATIC
POWERDOWN
FUNCTION?
Yes
PART
NUMBER
ICL3238E
NO. OF NO. OF
Tx.
Rx.
5
3
Rx. ENABLE
FUNCTION?
No
READY
OUTPUT?
No
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2003, 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ICL3238E
Pinout
ICL3238E (SSOP, TSSOP)
TOP VIEW
C2+
GND
C2-
V-
T1
OUT
T2
OUT
T3
OUT
R1
IN
R2
IN
1
2
3
4
5
6
7
8
9
28 C1+
27 V+
26 V
CC
25 C1-
24 T1
IN
23 T2
IN
22 T3
IN
21 R1
OUT
20 R2
OUT
19 T4
IN
18 R3
OUT
17 T5
IN
16 R1
OUTB
15 INVALID
Ordering Information
PART NO.
ICL3238ECA
ICL3238ECA-T
ICL3238ECAZ
(Note)
ICL3238ECAZ-T
(Note)
ICL3238EIA
ICL3238EIA-T
ICL3238EIAZ
(Note)
ICL3238EIAZ-T
(Note)
ICL3238EIV-T
ICL3238EIVZ-T
(Note)
TEMP.
RANGE (
o
C)
0 to 70
0 to 70
0 to 70
0 to 70
-40 to 85
-40 to 85
-40 to 85
-40 to 85
-40 to 85
-40 to 85
PACKAGE
28 Ld SSOP
28 Ld SSOP
Tape and Reel
28 Ld SSOP
(Pb-Free)
PKG.
DWG. #
M28.209
M28.209
M28.209
28 Ld SSOP
M28.209
Tape and Reel
(Pb-Free)
28 Ld SSOP
28 Ld SSOP
Tape and Reel
28 Ld SSOP
(Pb-Free)
M28.209
M28.209
M28.209
T4
OUT
10
R3
IN
11
T5
OUT
12
FORCEON 13
FORCEOFF 14
28 Ld SSOP
M28.209
Tape and Reel
(Pb-Free)
28 Ld TSSOP
Tape and Reel
M28.173
28 Ld TSSOP
M28.173
Tape and Reel
(Pb-Free)
NOTE:
Intersil Pb-free products employ special Pb-free material sets;
molding compounds/die attach materials and 100% matte tin plate
termination finish, which is compatible with both SnPb and Pb-free
soldering operations. Intersil Pb-free products are MSL classified at
Pb-free peak reflow temperatures that meet or exceed the Pb-free
requirements of IPC/JEDEC J Std-020B.
Pin Descriptions
PIN
V
CC
V+
V-
GND
C1+
C1-
C2+
C2-
T
IN
T
OUT
R
IN
R
OUT
R
OUTB
INVALID
System Power Supply Input (3.0V to 5.5V).
Internally Generated Positive Transmitter Supply (+5.5V).
Internally Generated Negative Transmitter Supply (-5.5V).
Ground Connection.
External Capacitor (Voltage Doubler) is connected to this lead.
External Capacitor (Voltage Doubler) is connected to this lead.
External Capacitor (Voltage Inverter) is connected to this lead.
External Capacitor (Voltage Inverter) is connected to this lead.
TTL/CMOS Compatible Transmitter Inputs (Note 1).
±15kV
ESD Protected
,
RS-232 Level (Nominally
±5.5V)
Transmitter Outputs.
±15kV
ESD Protected
,
RS-232 Compatible Receiver Inputs.
TTL/CMOS Level Receiver Outputs.
TTL/CMOS Level, Noninverting, Always Enabled Receiver Outputs.
Active Low Output that indicates if no valid RS-232 levels are present on any receiver input.
FUNCTION
FORCEOFF Active Low to Shut Down Transmitters and On-Chip Power Supply. This overrides any automatic circuitry and FORCEON (see Table 2,
Note 1).
FORCEON Active High Input to override automatic powerdown circuitry thereby keeping transmitters active. (FORCEOFF must be high, Note 1).
NOTE:
1. These input pins incorporate positive feedback resistors. Once the input is driven to a valid logic level, the feedback resistor maintains that logic
level until V
CC
is removed. Unused transmitter inputs may be left unconnected by the user.
2
ICL3238E
Typical Operating Circuit
ICL3238E
C
3
(OPTIONAL CONNECTION, NOTE 2)
0.1µF
C
1
0.1µF
C
2
0.1µF
28
+
25
1
+
3
24
T1
IN
23
T2
IN
22
T3
IN
19
T4
IN
17
T5
IN
TTL/CMOS
LOGIC LEVELS
R1
OUTB
R1
OUT
R
1
20
R2
OUT
R
2
18
R3
OUT
R
3
13
FORCEON
V
CC
TO POWER
CONTROL LOGIC
14
FORCEOFF
15
INVALID
GND
2
5kΩ
5kΩ
11
R3
IN
5kΩ
9
R2
IN
RS-232
LEVELS
16
21
8
R1
IN
T
5
12
T5
OUT
T
4
10
T4
OUT
T
3
7
T3
OUT
T
2
C1+
C1-
C2+
C2-
T
1
V-
V
CC
27
V+
4
+
+
C
3
0.1µF
NOTE 3
C
4
0.1µF
+
T1
OUT
T2
OUT
RS-232
LEVELS
5
6
+
26
+3.3V
NOTE 3
NOTES:
2. The negative terminal of C
3
can be connected to either V
CC
or GND.
3. For V
CC
= 3.15V (3.3V -5%), use C
1
- C
4
= 0.1µF or greater. For V
CC
= 3.0V (3.3V -10%), use C
1
- C
4
= 0.22µF.
3
ICL3238E
Absolute Maximum Ratings
V
CC
to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V
V+ to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V
V- to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3V to -7V
V+ to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V
Input Voltages
T
IN
, FORCEOFF, FORCEON . . . . . . . . . . . . . . . . . . -0.3V to 6V
R
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±25V
Output Voltages
T
OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±13.2V
R
OUT
, INVALID . . . . . . . . . . . . . . . . . . . . . . . -0.3V to V
CC
+0.3V
Short Circuit Duration
T
OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . See Specification Table
Thermal Information
Thermal Resistance (Typical, Note 4)
θ
JA
(
o
C/W)
28 Ld TSSOP Package . . . . . . . . . . . . . . . . . . . . . .
100
28 Ld SSOP Package . . . . . . . . . . . . . . . . . . . . . . .
110
Maximum Junction Temperature (Plastic Package) . . . . . . . 150
o
C
Maximum Storage Temperature Range . . . . . . . . . -65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300
o
C
(Lead Tips Only)
Operating Conditions
Temperature Range
ICL3238ECX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
o
C to 70
o
C
ICL3238EIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to 85
o
C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
4.
θ
JA
is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
Test Conditions: V
CC
= 3.15V to 5.5V, C
1
- C
4
= 0.1µF; V
CC
= 3V, C
1
- C
4
= 0.22µF; Unless Otherwise
Specified. Typicals are at T
A
= 25
o
C
TEST CONDITIONS
TEMP
(
o
C)
MIN
TYP
MAX
UNITS
PARAMETER
DC CHARACTERISTICS
Supply Current, Automatic
Powerdown
Supply Current, Powerdown
Supply Current,
Automatic Powerdown Disabled
All R
IN
Open, FORCEON = GND, FORCEOFF = V
CC
FORCEOFF = GND
All Outputs Unloaded, FORCEON = FORCEOFF = V
CC
25
25
25
-
-
-
10
10
0.3
300
300
1.0
nA
nA
mA
LOGIC AND TRANSMITTER INPUTS AND RECEIVER OUTPUTS
Input Logic Threshold Low
T
IN
Active
T
IN
, FORCEON, FORCEOFF
Wake up Threshold
Input Logic Threshold High
T
IN
Active
T
IN
, FORCEON, FORCEOFF
Wake up Threshold
Input Leakage Current
Output Leakage Current
Output Voltage Low
Output Voltage High
RECEIVER INPUTS
Input Voltage Range
Input Threshold Low
V
CC
= 3.3V
V
CC
= 5.0V
Input Threshold High
V
CC
= 3.3V
V
CC
= 5.0V
Input Hysteresis
Input Resistance
Full
Full
Full
Full
Full
25
25
-25
0.6
0.8
-
-
-
3
-
1.2
1.5
1.5
1.8
0.6
5
25
-
-
2.4
2.4
-
7
V
V
V
V
V
V
kΩ
V
CC
= 3.3V
V
CC
= 5.0V
V
CC
= 3.6V
V
CC
= 3.3V
V
CC
= 5.0V
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
-
-
-
2.0
2.0
2.4
-
-
-
-
-
-
-
-
-
±0.01
±0.05
-
0.8
0.8
0.8
-
-
-
±1.0
±10
0.4
-
V
V
V
V
V
V
µA
µA
V
V
T
IN
, FORCEON, FORCEOFF, V
IN
= 0V or V
CC
(Note 5)
FORCEOFF = GND
I
OUT
= 1.0mA
I
OUT
= -1.0mA
V
CC
-0.6 V
CC
-0.1
4
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ICL3238ECA-T Related Products

ICL3238ECA-T ICL3238EIAZ ICL3238ECAZ ICL3238EIA ICL3238ECA ICL3238EIV-T ICL3238EIA-T
Description TRIPLE LINE TRANSCEIVER, PDSO28, PLASTIC, MO-150AH, SSOP-28 TRIPLE LINE TRANSCEIVER, PDSO28, LEAD FREE, PLASTIC, MO-150AH, SSOP-28 TRIPLE LINE TRANSCEIVER, PDSO28, LEAD FREE, PLASTIC, MO-150AH, SSOP-28 TRIPLE LINE TRANSCEIVER, PDSO28, PLASTIC, MO-150AH, SSOP-28 TRIPLE LINE TRANSCEIVER, PDSO28, PLASTIC, MO-150AH, SSOP-28 TRIPLE LINE TRANSCEIVER, PDSO28, PLASTIC, MO-153AE, TSSOP-28 TRIPLE LINE TRANSCEIVER, PDSO28, PLASTIC, MO-150AH, SSOP-28
Is it lead-free? Contains lead Lead free Lead free Contains lead Contains lead Contains lead Contains lead
Is it Rohs certified? incompatible conform to conform to incompatible incompatible incompatible incompatible
Maker Rochester Electronics Rochester Electronics Rochester Electronics Rochester Electronics Rochester Electronics Rochester Electronics Rochester Electronics
Parts packaging code SSOP SSOP SSOP SSOP SSOP TSSOP SSOP
package instruction PLASTIC, MO-150AH, SSOP-28 LEAD FREE, PLASTIC, MO-150AH, SSOP-28 LEAD FREE, PLASTIC, MO-150AH, SSOP-28 PLASTIC, MO-150AH, SSOP-28 PLASTIC, MO-150AH, SSOP-28 PLASTIC, MO-153AE, TSSOP-28 PLASTIC, MO-150AH, SSOP-28
Contacts 28 28 28 28 28 28 28
Reach Compliance Code unknown unknown unknown unknown unknown unknown unknown
Differential output NO NO NO NO NO NO NO
Number of drives 5 5 5 5 5 5 5
Input properties SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER
Interface integrated circuit type LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER
Interface standards EIA-232; TIA-232; V.24; V.28 EIA-232; TIA-232; V.24; V.28 EIA-232; TIA-232; V.24; V.28 EIA-232; TIA-232; V.24; V.28 EIA-232; TIA-232; V.24; V.28 EIA-232; TIA-232; V.24; V.28 EIA-232; TIA-232; V.24; V.28
JESD-30 code R-PDSO-G28 R-PDSO-G28 R-PDSO-G28 R-PDSO-G28 R-PDSO-G28 R-PDSO-G28 R-PDSO-G28
JESD-609 code e0 e3 e3 e0 e0 e0 e0
length 10.2 mm 10.2 mm 10.2 mm 10.2 mm 10.2 mm 9.7 mm 10.2 mm
Humidity sensitivity level 1 3 3 1 1 1 1
Number of functions 3 3 3 3 3 3 3
Number of terminals 28 28 28 28 28 28 28
Maximum operating temperature 70 °C 85 °C 70 °C 85 °C 70 °C 85 °C 85 °C
Minimum operating temperature - -40 °C - -40 °C - -40 °C -40 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SSOP SSOP SSOP SSOP SSOP TSSOP SSOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 240 260 260 240 240 240 240
Number of receiver bits 3 3 3 3 3 3 3
Maximum seat height 2 mm 2 mm 2 mm 2 mm 2 mm 1.2 mm 2 mm
Maximum supply voltage 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage 3.15 V 3.15 V 3.15 V 3.15 V 3.15 V 3.15 V 3.15 V
Nominal supply voltage 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
surface mount YES YES YES YES YES YES YES
technology CMOS CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL INDUSTRIAL COMMERCIAL INDUSTRIAL COMMERCIAL INDUSTRIAL INDUSTRIAL
Terminal surface TIN LEAD MATTE TIN MATTE TIN TIN LEAD TIN LEAD TIN LEAD TIN LEAD
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED 40 40 NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 5.3 mm 5.3 mm 5.3 mm 5.3 mm 5.3 mm 4.4 mm 5.3 mm

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