5962-0620701, 5962-0620702,
±15kV ESD Protected, +3.3V, 1Microamp, 250kbps, RS-232
Transmitters/Receivers
The Intersil 5962-062070xQxA devices are 3.3V powered
RS-232 transmitters/receivers which meet ElA/TIA-232 and
V.28/V.24 specifications, even at V
CC
= 3.0V. Additionally,
they provide ±15kV ESD protection (IEC61000-4-2 Air Gap
and MIL-STD 883 Human Body Model) on transmitter
outputs and receiver inputs (RS-232 pins). Targeted
applications include ruggedized portable products and
remotely deployed devices exposed to extreme temperature
and humidity where the low operational and even lower
standby, power consumption is critical. Efficient on-chip
charge pumps, coupled with manual and automatic
power-down functions (except for the 5962-0620703Q2A),
reduce the standby supply current to a 1µA 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. This family is fully compatible with 3.3V-only
systems.
Specifications for QML devices are controlled by the
Defense Logistics Agency Land and Maritime (DLA). The
SMD numbers listed here must be used when ordering.
Detailed Electrical Specifications for these devices are
contained in SMD 5962-06207. A “hot-link” is provided
on our website for downloading.
NO T RE C
OMMEND
ED
NO RE C
OMMEND FOR NEW DESIG
N
E D RE P L
contact o
ACE M E N S
ur Techn
T
1 -8 8 8 -IN
TERSIL o ical Support Cen
te r a t
r www.in
5962-0620703, 5962-0620704
il.c
ters om
/tsc
DATASHEET
FN6297
Rev 1.00
November 3, 2011
Features
• Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
• Electrically Screened to DLA SMD#5962-06207
• QML Qualified per MIL-PRF-38535 Requirements
• SMD Compliance
• Military Temperature Range
• Latch-up Free
• Hermetic Package
• ESD Protection for RS-232 I/O Pins to ±15kV (IEC61000)
• Guaranteed Mouse Driveability (ICL3243E)
• Requires Single +3.3V ±10% Power Supply
• RS-232 Compatible with V
CC
= 2.7V
• Receiver Hysteresis for Improved Noise Immunity
• Low Power Automatic Power-down Modes
(except for ICL3232E) . . . . . . . . . . . . . . . . . . . . . . . . .1µA
• Guaranteed Minimum 250kbps Data Rate
• Manual and Automatic Power-down Features
• Multiple Drivers/Receivers
• On-Chip Voltage Converters Require Only Four External
0.1µF Capacitors
• Regulated Dual Charge Pumps
Ordering Information
DESC P/N
5962-0620701Q3A
5962-0620702Q3A
5962-0620703Q2A
5962-0620704Q2A
CONFIGURATION TEMP (°C) PACKAGE
ICL3243E 3D/5R
ICL3238E 5D/3R
ICL3232E 2D/2R
ICL3221E 1D/1R
-55 to +125 28 Ld CLCC
-55 to +125 28 Ld CLCC
-55 to +125 20 Ld CLCC
-55 to +125 20 Ld CLCC
Applications
• Any Military or High-Rel System Requiring RS-232
Communication Ports
- Battery Powered, Hand-Held, and Portable Equipment
- Ruggedized Handheld GPS, Laptop Computers,
Notebooks, Palmtops
- Industrial Control/Shop Floor Communications
- Field Deployed Sensors/Devices Exposed to Extreme
Temperature/Humidity
- Ruggedized Cellular/Mobile Phones
FN6297 Rev 1.00
November 3, 2011
Page 1 of 10
5962-0620701, 5962-0620702, 5962-0620703, 5962-0620704
Pinouts
ICL3221E (CLCC)
TOP VIEW
FORCEOFF
ICL3232E (CLCC)
TOP VIEW
GND
18 NC
17 T1
OUT
16 R1
IN
15 R1
OUT
14 T1
IN
9 10 11 12 13
R2
IN
T2
OUT
R2
OUT
T2
IN
NC
VCC
C1+
NC
3
C1- 4
C2+ 5
V+
2
GND
3
C1-
C2+
C2-
V-
NC
4
5
6
7
8
9
R1
IN
2
1
20 19
18 NC
17 GND
16 T1OUT
15 NC
14 FORCEON
VCC
1 20 19
C1+
EN
V+
C2- 6
V- 7
NC 8
10 11 12 13
R1
OUT
INVALID
T1
IN
NC
ICL3243E (CLCC)
TOP VIEW
R
1 IN
VCC
C2+
C
1
+
C2-
V+
ICL3238E (CLCC)
TOP VIEW
VCC
26
25 C1-
24 T1 IN
23 T2 IN
22 T3 IN
21 R1 OUT
20 R2 OUT
19 T4 IN
12
T5 OUT
13
FORCEON
14
FORCEOFF
15
INVALID
16
R1OUTB
17
T5 IN
18
R3 OUT
C2+
C1+
28
C2-
V-
4
R
2 IN
R
3 IN
R
4 IN
R
5 IN
T
1 OUT
T
2 OUT
T
3 OUT
5
6
7
8
9
10
11
12
T
3 IN
3
2
1
28
27
26
25
24
23
22
21
20
19
GND
C1-
FORCEON
FORCEOFF
INVALID
R
2OUTB
R
1 OUT
T1 OUT
T2 OUT
T3 OUT
R1 IN
R2 IN
T4 OUT
R3 IN
5
6
7
8
9
10
11
4
3
2
1
13
T
2 IN
14
T
1 IN
15
R
5 OUT
16
R
4 OUT
17
R
3 OUT
18
R
2 OUT
FN6297 Rev 1.00
November 3, 2011
V+
27
V-
Page 2 of 10
5962-0620701, 5962-0620702, 5962-0620703, 5962-0620704
Pin Descriptions
PIN
V
CC
V+
V-
GND
C1+
C1-
C2+
C2-
T
IN
T
OUT
R
IN
R
OUT
R
OUTB
INVALID
EN
FORCEOFF
FORCEON
NOTE:
1. The ICL3238E 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.
TABLE 1. POWER-DOWN LOGIC TRUTH TABLE
RCVR OR
XMTR
EDGE
WITHIN 30
SEC?
ICL3238E
No
No
Yes
Yes
No
No
X
X
H
H
H
H
H
H
L
L
H
H
L
L
L
L
X
X
Active
Active
Active
Active
High-Z
High-Z
High-Z
High-Z
Active
Active
Active
Active
Active
Active
High-Z
High-Z
Active
Active
Active
Active
Active
Active
Active
Active
No
Yes
No
Yes
No
Yes
No
Yes
L
H
L
H
L
H
L
H
Normal Operation (Enhanced
Auto Power-down Disabled)
Normal Operation (Enhanced
Auto Power-down Enabled)
Power-down Due to Enhanced
Auto Power-down Logic
Manual Power-down
RS-232
LEVEL
PRESENT
AT
RECEIVER
INPUT?
System power supply input (3.0V to 3.6V).
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.
Active low receiver enable control; doesn’t disable R
OUTB
outputs.
Active low control to shut down transmitters and on-chip power supply. This overrides any automatic circuitry and FORCEON
(See Tables 1 & 2, Note 1).
Active high input to override automatic powerdown circuitry thereby keeping transmitters active. (FORCEOFF must be high,
Note 1).
FUNCTION
FORCEOFF FORCEON TRANSMITTER RECEIVER
INPUT
INPUT
OUTPUTS
OUTPUTS
R
OUTB
OUTPUT
INVALID
OUTPUT
MODE OF OPERATION
FN6297 Rev 1.00
November 3, 2011
Page 3 of 10
5962-0620701, 5962-0620702, 5962-0620703, 5962-0620704
TABLE 1. POWER-DOWN LOGIC TRUTH TABLE (Continued)
RCVR OR
XMTR
EDGE
WITHIN 30
SEC?
RS-232
LEVEL
PRESENT
AT
RECEIVER
INPUT?
FORCEOFF FORCEON TRANSMITTER RECEIVER
INPUT
INPUT
OUTPUTS
OUTPUTS
R
OUTB
OUTPUT
INVALID
OUTPUT
MODE OF OPERATION
INVALID DRIVING FORCEON AND FORCEOFF
(EMULATES AUTOMATIC POWER-DOWN)
X
X
NOTE:
2. Input is connected to INVALID Output.
TABLE 2. POWER-DOWN AND ENABLE LOGIC TRUTH TABLE
RS-232
SIGNAL
PRESENT
AT
RECEIVER
INPUT?
ICL3221E
No
No
Yes
Yes
No
No
Yes
Yes
No
No
ICL3243E
No
Yes
No
Yes
No
NOTE:
3. Applies only to the ICL3243E.
H
H
H
L
L
H
L
L
X
X
N.A.
N.A.
N.A.
N.A.
N.A.
Active
Active
High-Z
High-Z
High-Z
Active
Active
Active
High-Z
High-Z
Active
Active
Active
Active
Active
L
H
L
H
L
Normal Operation
(Auto Power-down Disabled)
Normal Operation
(Auto Power-down Enabled)
Power-down Due to Auto Power-down
Logic
Manual Power-down
Manual Power-down
H
H
H
H
H
H
L
L
L
L
H
H
L
L
L
L
X
X
X
X
L
H
L
H
L
H
L
H
L
H
Active
Active
Active
Active
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
Active
High-Z
Active
High-Z
Active
High-Z
Active
High-Z
Active
High-Z
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
L
L
H
H
L
L
H
H
L
L
Normal Operation
(Auto Power-down Disabled)
Normal Operation
(Auto Power-down Enabled)
Power-down Due to Auto Power-down
Logic
Manual Power-down
Manual Power-down w/Rcvr. Disabled
Manual Power-down
Manual Power-down w/Rcvr. Disabled
Note 2
Note 2
Note 2
Note 2
Active
High-Z
Active
High-Z
Active
Active
Yes
No
H
L
Normal Operation
Forced Auto Power-down
(NOTE 3)
FORCEOFF FORCEON
R
OUTB
EN
TRANSMITTER RECEIVER
INVALID
INPUT
INPUT
INPUT
OUTPUTS
OUTPUTS OUTPUTS OUTPUT
MODE OF OPERATION
FN6297 Rev 1.00
November 3, 2011
Page 4 of 10
5962-0620701, 5962-0620702, 5962-0620703, 5962-0620704
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, EN . . . . . . . . . . . . . . . -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 (Receiver Input and Transmitter Output Pins) . . .±15kV
Thermal Information
Thermal Resistance (Typical)
JA
(°C/W)
20 Ld CLCC Package . . . . . . . . . . . . . . . . . . . . . . .
90
28 Ld CLCC Package . . . . . . . . . . . . . . . . . . . . . . .
70
Maximum Junction Temperature (Ceramic Package) . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C
Operating Conditions
Temperature Range
ICL32XXE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to 125°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.
Electrical Specifications
ICL3221E, ICL3232E, ICL3243E
Test Conditions: V
CC
= 3V to 3.6V, C1 - C4 = 0.1
m
F; Unless Otherwise
Specified. Typicals are at T
A
= 25°C, V
CC
= 3.3V
TEST CONDITIONS
TEMP
(°C)
MIN
TYP
MAX
UNITS
PARAMETER
DC CHARACTERISTICS
Supply Current, Automatic Power- All R
IN
Open, FORCEON = GND, FORCEOFF = V
CC
down
(ICL3221E, ICL3243E Only)
Supply Current, Power-down
Supply Current, Power-up
FORCEOFF = GND (Except ICL3232E)
V
CC
= 3.15V,
All Outputs Unloaded,
FORCEON = FORCEOFF = V
CC
ICL3221E/ICL3232E
V
CC
= 3.0V, ICL3243E
LOGIC AND TRANSMITTER INPUTS AND RECEIVER OUTPUTS
Input Logic Threshold Low
Input Logic Threshold High
Input Leakage Current
Output Leakage Current
(Except ICL3232E)
Output Voltage Low
Output Voltage High
T
IN
, FORCEON, FORCEOFF, EN
T
IN
, FORCEON, FORCEOFF, EN
T
IN
, FORCEON, FORCEOFF, EN
FORCEOFF = GND or EN = V
CC
I
OUT
= 1.6mA
I
OUT
= -1.0mA
Powers Up
Powers Down
I
OUT
= 1.6mA
I
OUT
= -1.0mA
Full
Full
Full
Full
-
-
-
-
1
1
0.3
0.3
10
10
1.8
1.8
A
A
mA
mA
Full
Full
Full
Full
Full
Full
-
2.0
-
-
-
-
-
±0.01
±0.05
-
0.8
-
±10
±10
0.4
-
V
V
A
A
V
V
V
CC
-0.6 V
CC
-0.1
-2.7
-0.3
-
V
CC
-0.6
-25
0.6
-
3
-
-
-
-
AUTOMATIC POWER-DOWN
(ICL3221E, ICL3243E Only, FORCEON = GND, FORCEOFF = V
CC
)
Receiver Input Thresholds to
Enable Transmitters
Receiver Input Thresholds to
Disable Transmitters
INVALID Output Voltage Low
INVALID Output Voltage High
RECEIVER INPUTS
Input Voltage Range
Input Threshold Low
Input Threshold High
Input Resistance
TRANSMITTER OUTPUTS
Output Voltage Swing
Output Resistance
All Transmitter Outputs Loaded with 3kW to Ground
V
CC
= V+ = V- = 0V, Transmitter Output = ±2V
Full
Full
±5.0
300
±5.4
10M
-
-
V
Full
Full
Full
Full
-
1.2
1.5
5
25
-
2.4
7
V
V
V
k
Full
Full
Full
Full
2.7
0.3
0.4
-
V
V
V
V
FN6297 Rev 1.00
November 3, 2011
Page 5 of 10
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