廬
ICL3237
Data Sheet
October 21, 2005
FN6003.3
1 Microamp Supply-Current, +3V to +5.5V,
1Mbps, RS-232 Transmitters/Receivers
The Intersil ICL3237 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. Targeted
applications are cell phones, 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 powerdown
function, reduce the standby supply current to a 1碌A(chǔ) trickle.
Small footprint packaging, and the use of small, low value
capacitors ensure board space savings as well. Data rates
greater than 1Mbps (MBAUD = V
CC
) 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 ICL3237 is a 5 driver, 3 receiver device that also
includes a noninverting always-active receiver for 鈥渨ake-up鈥?/div>
capability.
Table 1 summarizes the features of the device represented
by this data sheet, while Application Note AN9863
summarizes the features of each device comprising the
ICL32XX 3V family.
Features
鈥?/div>
鹵
15kV ESD Protected (Human Body Model)
鈥?Drop in Replacement for MAX3237
鈥?Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
鈥?Latch-Up Free
鈥?On-Chip Voltage Converters Require Only Four External
Capacitors
鈥?Manual Powerdown Features
鈥?Flow Through Pinout
鈥?Receiver Hysteresis For Improved Noise Immunity
鈥?Pin Selectable Data Rate
鈥?Guaranteed Minimum Data Rate . . . . . . . 250kbps/1Mbps
鈥?Guaranteed Minimum Slew Rate . . . . . . . 6V/碌s or 24V/碌s
鈥?Wide Power Supply Range . . . . . . . Single +3V to +5.5V
鈥?Low Supply Current in Powerdown State. . . . . . . . . . .1碌A(chǔ)
鈥?/div>
Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
鈥?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 Phone
Related Literature
鈥?Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?/div>
鈥?AN9863 鈥?V to +5.5V, 250k-1Mbps, RS-232
Transmitters/Receivers鈥?/div>
TABLE 1. SUMMARY OF FEATURES
NO. OF
MONITOR Rx.
(R
OUTB
)
1
(NOTE 1)
DATA
RATE
(kbps)
250/1000
MANUAL
POWER-
DOWN?
YES
AUTOMATIC
POWERDOWN
FUNCTION?
NO
PART
NUMBER
ICL3237
NOTE:
NO. OF NO. OF
Tx.
Rx.
5
3
Rx. ENABLE
FUNCTION?
YES
READY
OUTPUT?
NO
1. Data rate is selectable via the MBAUD pin.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2001-2002, 2004-2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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Low Power, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receiv...
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Low Power, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receiv...
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1 Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Tra...
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1 Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Tra...
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1 Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Tra...
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1 Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Tra...
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1 Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Tra...
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1 Microamp, +3V to +5.5V, 250kbps, RS-232 Transceivers with ...
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1 Microamp, +3V to +5.5V, 1Mbps, RS-232 Transceivers with En...
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1 Microamp, +3V to +5.5V, 1Mbps, RS-232 Transceivers with En...
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1 Microamp, +3V to +5.5V, 250kbps, RS-232 Transceivers with ...
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1 Microamp, +3V to +5.5V, 250kbps, RS-232 Transceivers with ...
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1 Microamp, +3V to +5.5V, 1Mbps, RS-232 Transceivers with En...
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