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ICL3225CP Datasheet

  • ICL3225CP

  • 1 Microamp, +3V to +5.5V, 1Mbps, RS-232 Transceivers with En...

  • 518.71KB

  • 20页

  • INTERSIL   INTERSIL

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ICL3225, ICL3227, ICL3245
Data Sheet
June 2003
FN4878.4
1 Microamp, +3V to +5.5V, 1Mbps, RS-232
Transceivers with Enhanced Automatic
Powerdown
The Intersil ICL32XX 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 V
CC
= 3.0V. 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 1碌A trickle. Small footprint packaging, and the
use of small, low value capacitors ensure board space
savings as well. Data rates greater than 1Mbps 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 ICL3245 is a 3 driver, 5 receiver device that provides a
complete serial port suitable for laptop or notebook
computers. It also includes a noninverting always-active
receiver for 鈥渨ake-up鈥?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
30s. These devices power back up, automatically, whenever
they sense a transition on any transmitter or receiver input.
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>
卤
15kV ESD Protected (Human Body Model)
鈥?Manual and Enhanced Automatic Powerdown Features
鈥?Drop in Replacements for MAX3225, MAX3227,
MAX3245
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
0.1碌F Capacitors
鈥?Guaranteed Mouse Driveability (ICL3245)
鈥?鈥淩eady to Transmit鈥?Indicator Output (ICL3225, ICL3227)
鈥?Receiver Hysteresis For Improved Noise Immunity
鈥?Guaranteed Minimum Data Rate . . . . . . . . . . . . . . 1Mbps
鈥?Low Skew at Transmitter/Receiver Input Trip Points. . . 10ns
鈥?Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . 24V/碌s
鈥?Wide Power Supply Range . . . . . . . Single +3V to +5.5V
鈥?Low Supply Current in Powerdown State. . . . . . . . . . .1碌A
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 Phones
Related Literature
鈥?Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?/div>
TABLE 1. SUMMARY OF FEATURES
NO. OF
MONITOR Rx.
(R
OUTB
)
0
0
1
DATA
RATE
(kbps)
1000
1000
1000
MANUAL
POWER-
DOWN?
Yes
Yes
Yes
ENHANCED
AUTOMATIC
POWERDOWN
FUNCTION?
Yes
Yes
Yes
PART
NUMBER
ICL3225
ICL3227
ICL3245
NO. OF NO. OF
Tx.
Rx.
2
1
3
2
1
5
Rx. ENABLE
FUNCTION?
No
No
No
READY
OUTPUT?
Yes
Yes
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 漏 Intersil Americas Inc. 2003. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

ICL3225CP 产品属性

  • 18

  • 集成电路 (IC)

  • 接口 - 驱动器，接收器，收发器

  • -

  • 收发器

  • 2/2

  • RS232

  • 3 V ~ 5.5 V

  • 通孔

  • 20-DIP（0.300"，7.62mm）

  • 20-PDIP

  • 管件

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