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Intersil Electronic Components Datasheet



ICL3224E

(ICL3224E - ICL3244E) RS-232 Transceivers



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ICL3224E pdf
®
Data Sheet
ICL3224E, ICL3226E, ICL3244E
February 27, 2006
FN4899.6
+/-15kV ESD Protected, +3V to +5.5V,
1Microamp, 250kbps, RS-232
Transceivers with Enhanced Automatic
Powerdown
The Intersil ICL32XXE devices are 3.0V to 5.5V powered
RS-232 transmitters/receivers which meet ElA/TIA-232 and
V.28/V.24 specifications, even at VCC = 3.0V. Additionally,
they provide ±15kV ESD protection (IEC61000-4-2 Air Gap
and Human Body Model) on transmitter outputs and receiver
inputs (RS-232 pins). Targeted applications are PDAs,
Palmtops, and notebook and laptop computers 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 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, mixed 3.3V and 5.0V systems, and 5.0V only
systems.
The ICL3244E is a 3 driver, 5 receiver device that provides a
www.DataSheet4U.cocmomplete serial port suitable for laptop or notebook
computers. It also includes a noninverting always-active
receiver for “wake-up” capability.
These devices, feature 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
30 seconds. These devices power back up, automatically,
whenever they sense a transition on any transmitter or
receiver input.
Table 1 summarizes the features of the devices represented
by this data sheet, while Application Note AN9863
summarizes the features of each device comprising the
ICL32XXE 3V family.
Features
Pb-Free Plus Anneal Available (RoHS Compliant)
• ESD Protection for RS-232 I/O Pins to ±15kV (IEC61000)
• Manual and Enhanced Automatic Powerdown Features
• Drop in Replacements for MAX3224E, MAX3226E,
MAX3244E
• Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
• RS-232 Compatible with VCC = 2.7V
• Latch-Up Free
• On-Chip Voltage Converters Require Only Four External
0.1µF Capacitors
• Guaranteed Mouse Driveability (ICL3244E)
• “Ready to Transmit” Indicator Output (ICL3224E/26E)
• Receiver Hysteresis For Improved Noise Immunity
• Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps
• Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . . 6V/µs
• Wide Power Supply Range. . . . . . . . Single +3V to +5.5V
• Low Supply Current in Powerdown State . . . . . . . . . . .1µA
Applications
• Any System Requiring RS-232 Communication Ports
- Battery Powered, Hand-Held, and Portable Equipment
- Laptop Computers, Notebooks, Palmtops
- Modems, Printers and other Peripherals
- Digital Cameras
- Cellular/Mobile Phones
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
ICL3224E
ICL3226E
ICL3244E
NO. OF NO. OF
Tx. Rx.
22
11
35
NO. OF
MONITOR Rx.
(ROUTB)
0
0
1
DATA
RATE
(kbps)
250
250
250
Rx. ENABLE
FUNCTION?
No
No
No
READY
OUTPUT?
Yes
Yes
No
MANUAL
POWER-
DOWN?
Yes
Yes
Yes
ENHANCED
AUTOMATIC
POWERDOWN
FUNCTION?
Yes
Yes
Yes
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2000, 2001, 2003-2006. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.



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ICL3224E pdf
ICL3224E, ICL3226E, ICL3244E
Ordering Information
PART NO.
ICL3224ECAZ (Note)
ICL3224ECAZ-T (Note)
ICL3224EIA
ICL3224EIA-T
PART MARKING
3224ECAZ
3224ECAZ
ICL3224EIA
ICL3224EIA
TEMP. RANGE (°C)
0 to 70
0 to 70
-40 to 85
-40 to 85
PACKAGE
20 Ld SSOP (Pb-free)
20 Ld SSOP Tape and Reel (Pb-free)
20 Ld SSOP
20 Ld SSOP Tape and Reel
PKG. DWG. #
M20.209
M20.209
M20.209
M20.209
ICL3224EIAZ (Note)
ICL3224EIAZ-T (Note)
ICL3226ECA
ICL3226ECA-T
ICL3226ECAZ (Note)
ICL3226ECAZ-T
ICL3226EIA
ICL3226EIA-T
ICL3226EIAZ
ICL3226EIAZ-T
ICL3244ECA
3224EIAZ
3224EIAZ
ICL3226ECA
ICL3226ECA
3226ECAZ
3226ECAZ
ICL3226EIA
ICL3226EIA
3226EIAZ
3226EIAZ
ICL3244ECA
-40 to 85
-40 to 85
0 to 70
0 to 70
0 to 70
0 to 70
-40 to 85
-40 to 85
-40 to 85
-40 to 85
0 to 70
20 Ld SSOP (Pb-free)
20 Ld SSOP Tape and Reel (Pb-free)
16 Ld SSOP
16 Ld SSOP Tape and Reel
16 Ld SSOP (Pb-free)
16 Ld SSOP Tape and Reel (Pb-free)
16 Ld SSOP
16 Ld SSOP Tape and Reel
16 Ld SSOP (Pb-free)
16 Ld SSOP Tape and Reel (Pb-free)
28 Ld SSOP
M20.209
M20.209
M16.209
M16.209
M16.209
M16.209
M16.209
M16.209
M16.209
M16.209
M28.209
ICL3244ECA-T
ICL3244ECAZ (Note)
ICL3244ECAZ-T (Note)
ICL3244ECA
ICL3244ECAZ
ICL3244ECAZ
0 to 70
0 to 70
0 to 70
28 Ld SSOP Tape and Reel
28 Ld SSOP (Pb-free)
28 Ld SSOP Tape and Reel (Pb-free)
M28.209
M28.209
M28.209
ICL3244EIA
ICL3244EIA
-40 to 85
28 Ld SSOP
M28.209
ICL3244EIA-T
ICL3244EIA
-40 to 85
28 Ld SSOP Tape and Reel
M28.209
ICL3244EIAZ (Note)
ICL3244EIAZ
-40 to 85
28 Ld SSOP (Pb-free)
M28.209
ICL3244EIAZ-T (Note) ICL3244EIAZ
-40 to 85
28 Ld SSOP Tape and Reel (Pb-free)
M28.209
ICL3244EIB
ICL3244EIB
-40 to 85
28 Ld SOIC
M28.3
NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which are RoHS compliant and 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-020.
Pinouts
ICL3224E (SSOP)
TOP VIEW
READY 1
C1+ 2
V+ 3
C1- 4
C2+ 5
C2- 6
V- 7
T2OUT 8
R2IN 9
R2OUT 10
20 FORCEOFF
19 VCC
18 GND
17 T1OUT
16 R1IN
15 R1OUT
14 FORCEON
13 T1IN
12 T2IN
11 INVALID
ICL3226E (SSOP)
TOP VIEW
READY 1
C1+ 2
V+ 3
C1- 4
C2+ 5
C2- 6
V- 7
R1IN 8
16 FORCEOFF
15 VCC
14 GND
13 T1OUT
12 FORCEON
11 T1IN
10 INVALID
9 R1OUT
2



Part Number ICL3224E
Description (ICL3224E - ICL3244E) RS-232 Transceivers
Maker Intersil Corporation - Intersil Corporation
Total Page 20 Pages
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