参数资料
| 型号： | ICL3238IAZ-T |
| 厂商： | Intersil |
| 文件页数： | 1/18页 |
| 文件大小： | 0K |
| 描述： | IC 5DRVR/3RCVR RS232 3V 28-SSOP |
| 标准包装： | 1,000 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 5/3 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 带卷 (TR) |
1
ICL3224, ICL3226, ICL3238, ICL3244
1 Microamp, +3V to +5.5V, 250kbps,
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 VCC = 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
A 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 ICL3244 is a 3 driver, 5 receiver device that provides a
complete serial port suitable for laptop or notebook
computers. The ICL3244/38 also include a noninverting
always-active receiver for RING INDICATOR monitoring.
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
30sec. 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
ICL32XX 3V family.
Features
Pb-Free Plus Anneal Available (RoHS Compliant)
±15kV ESD Protected (Human Body Model)
Manual and Enhanced Automatic Powerdown Features
Drop in Replacements for MAX3224, MAX3226,
MAX3238, MAX3244
Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
Latch-Up Free
RS-232 Compatible with VCC = 2.7V
On-Chip Voltage Converters Require Only Four External
0.1
F Capacitors
Flow-Through Pinout (ICL3238)
Guaranteed Mouse Driveability (ICL3244)
“Ready to Transmit” Indicator Output (ICL3224/26)
Receiver Hysteresis For Improved Noise Immunity
Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps
Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . . 6V/
s
Wide Power Supply Range . . . . . . . Single +3V to +5.5V
Low Supply Current in Powerdown State. . . . . . . . . . .1
A
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
- Data Cradles
Related Literature
Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
AN9863, “3V to +5.5V, 250k-1Mbps, RS-232
Transmitters/Receivers”
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
NO. OF
Tx.
NO. OF
Rx.
NO. OF
MONITOR Rx.
(ROUTB)
DATA
RATE
(kbps)
Rx. ENABLE
FUNCTION?
READY
OUTPUT?
MANUAL
POWER-
DOWN?
ENHANCED
AUTOMATIC
POWERDOWN
ICL3224
2
0
250
NO
YES
ICL3226
1
0
250
NO
YES
ICL3238
5
3
1
250
NO
YES
ICL3244
3
5
1
250
NO
YES
Data Sheet
March 1, 2006
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 Intersil Americas Inc. 2001, 2002, 2004-2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
FN4876.10
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| ICL3241 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:One Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers |
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