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參數(shù)資料
| 型號： | ICL3238ECA-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | TRIPLE LINE TRANSCEIVER, PDSO28 |
| 封裝： | PLASTIC, MO-150AH, SSOP-28 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 319K |
| 代理商： | ICL3238ECA-T |
1
FN6012.3
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 Intersil Americas Inc. 2003, 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ICL3238E
±
15kV ESD Protected, +3V to +5.5V, 10nA,
250kbps, RS-232 Transceiver with
Enhanced Automatic Powerdown
The Intersil ICL3238E 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. Additionally, it
provides
±
15kV ESD protection (IEC61000-4-2 Air Gap and
Human Body Model) on transmitter outputs and receiver
inputs (RS-232 pins). Targeted applications are cell phones,
Palmtops, and data cables 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 10nA 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 providing
compatibility with popular PC communication software.
The ICL3238E is a 5 driver, 3 receiver device optimized for
DCE applications with full hardware handshaking. It also
includes a noninverting always-active receiver for RING
INDICATOR monitoring.
This device, features 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. The
ICL3238E powers back up, automatically, whenever it
senses a transition on any transmitter or receiver input.
The transmitter and logic inputs include active feedback
resistors that retain the input state once driven to a valid
logic level.
Table 1 summarizes the features of the ICL3238E, while
Application Note AN9863 summarizes the features of each
device comprising the ICL32XXE 3V family.
Features
Pb-Free Available as an Option (see Ordering Info)
ESD Protection for RS-232 I/O Pins to
±
15kV (IEC61000)
Active Feedback Resistors on T
X
and Logic Inputs.
Manual and Enhanced Automatic Powerdown Features
Pin Compatible Replacement for MAX3238E, MAX3238,
SP3238E
Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
RS-232 Compatible Outputs at 2.7V Supply
Flow Through Pinout
Latch-Up Free
On-Chip Voltage Converters Require Only Four External
Capacitors
Receiver and Transmitter Hysteresis For Improved Noise
Immunity
Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps
Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . . 6V/
μ
s
Wide Power Supply Range . . . . . . . Single +3V to +5.5V
Low Supply Current in Powerdown State. . . . . . . . . 10nA
Applications
Any System Requiring RS-232 Communication Ports
- Battery Powered, Hand-Held, and Portable Equipment
- Data Cradles
- Modems, Printers and other Peripherals
- Cellular/Mobile Phones, Data Cables
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
NO. OF
Tx.
NO. OF
Rx.
NO. OF
MONITOR Rx.
(R
OUTB
)
1
DATA
RATE
(kbps)
Rx. ENABLE
FUNCTION
READY
OUTPUT
MANUAL
POWER-
DOWN
ENHANCED
AUTOMATIC
POWERDOWN
FUNCTION
ICL3238E
5
3
250
No
No
Yes
Yes
Data Sheet
July 2004
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相關代理商/技術參數(shù) |
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| ICL3238ECAZ | 功能描述:RS-232接口集成電路 RS232 3V 5D/3R 15KV E-DWN COM RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| ICL3238ECAZ-T | 功能描述:RS-232接口集成電路 RS232 3V 5D/3R 15KV E-DWN COMEL RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| ICL3238ECB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ICL3238ECV | 制造商:Rochester Electronics LLC 功能描述:RS232 3V 5D/3R 15KV E-DWN 28TSSOP COM - Bulk |
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