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參數資料
| 型號： | ISL4223EIRZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | QFN Packaged, +/-15kV ESD Protected, +2.7V to +5.5V, 150Nanoamp, 250kBps, RS-232 Transmitters/Receivers |
| 中文描述： | DUAL LINE TRANSCEIVER, PQCC20 |
| 封裝： | 5 X 5 MM, LEAD FREE, PLASTIC, QFN-20 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 401K |
| 代理商： | ISL4223EIRZ |
1
FN6045.1
ISL4221E, ISL4223E
QFN Packaged, +/-15kV ESD Protected,
+2.7V to +5.5V, 150Nanoamp, 250kBps,
RS-232 Transmitters/Receivers
The Intersil ISL422XE devices are 2.7V 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,
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 hand-held products where the low
operational, and even lower standby, power consumption is
critical. Efficient on-chip charge pumps, coupled with manual
and automatic powerdown functions, reduce the standby
supply current to a 150nA trickle. Tiny 5mm x 5mm
Quad
Flat No-Lead
(QFN) 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.
The ISL4221E is a 1 driver, 1 receiver device and the
ISL4223E is a 2 driver, 2 receiver device that, coupled with
the 5x5 QFN package, provide the industry’s smallest,
lowest power serial port suitable for PDAs, and hand-held
applications. The 5x5 QFN requires 40% less board area
than a 20 lead TSSOP, and is nearly 20% thinner.
The
ISL422XE
features an
automatic powerdown
function
that powers down the on-chip power-supply and driver
circuits. This occurs when an attached peripheral device is
shut off or the RS-232 cable is removed, conserving system
power automatically without changes to the hardware or
operating system. It powers up again when a valid RS-232
voltage is applied to any receiver input.
Table 1 summarizes the features of the ISL422XE, while
Application Note AN9863 summarizes the features of each
device comprising the 3V RS-232 family.
Features
Available in Near Chip Scale QFN (5mmx5mm) Package
which is 40% Smaller than a 20 Lead TSSOP
ESD Protection for RS-232 I/O Pins to
±
15kV (IEC61000)
Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
RS-232 Compatible with V
CC
= 2.7V
On-Chip Voltage Converters Require Only Four External
0.1
μ
F Capacitors
Manual and Automatic Powerdown Features
Receiver Hysteresis For Improved Noise Immunity
Guaranteed Minimum Data Rate . . . . . . . . . . . . 250kBps
Wide Power Supply Range. . . . . . . Single +2.7V to +5.5V
Low Supply Current in Powerdown State. . . . . . . . .150nA
Pb-free Available as an Option
Applications
Any Space Constrained System Requiring RS-232 Ports
- Battery Powered, and Portable Equipment
- Hand-Held Products (GPS Receivers, Bar Code
Scanners, etc.)
- PDAs and Palmtops, Data Cables
- Cellular/Mobile Phones, Digital Cameras
Related Literature
Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
”Technical Brief TB379 “Thermal Characterization of
Packages for ICs”
Technical Brief TB389 “PCB Land Pattern Design and
Surface Mount Guidelines for QFN Packages”
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
NO. OF
Tx.
NO. OF
Rx.
QFN PKG.
AVAILABLE
DATA RATE
(kBps)
Rx. ENABLE
FUNCTION
MANUAL
POWERDOWN
AUTOMATIC POWERDOWN
FUNCTION
ISL4221E
1
1
YES
250
YES
YES
YES
ISL4223E
2
2
YES
250
YES
YES
YES
Data Sheet
August 2004
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. 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
相關PDF資料 |
PDF描述 |
|---|---|
| ISL4223EIRZ-T | QFN Packaged, +/-15kV ESD Protected, +2.7V to +5.5V, 150Nanoamp, 250kBps, RS-232 Transmitters/Receivers |
| ISL4241EIR-T | QFN Packaged, +/-15kV ESD Protected, +2.7V to +5.5V, 10Nanoamp, 250kbps, RS-232 Transmitters/Receivers |
| ISL4243EIR-T | CON BLOCK 2 ASY |
| ISL4243E | QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 10Nanoamp, 250kbps, RS-232 Transmitters/Receivers(QFN 封裝, ±15kV ESD防護, +2.7V至+5.5V, 10毫微安, 250kbps, RS-232收發器) |
| ISL4241E | QFN Packaged, +/-15kV ESD Protected, +2.7V to +5.5V, 10Nanoamp, 250kbps, RS-232 Transmitters/Receivers |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ISL4223EIRZ-T | 功能描述:IC XMITTER/RCVR ESD RS232 20-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:發射器 驅動器/接收器數:4/0 規程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISL4223EIRZ-T7A | 功能描述:IC TXRX RS232 ESD 20QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:發射器 驅動器/接收器數:4/0 規程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISL4238E | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:QFN Packaged, 【15kV ESD Protected, +2.7V to +5.5V, 10Nanoamp, 250kbps/ 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown |
| ISL4238EIR | 功能描述:IC 5DRVR/3RCVR RS232 3V 32-QFN RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:25 系列:- 類型:收發器 驅動器/接收器數:2/2 規程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應商設備封裝:16-PDIP 包裝:管件 |
| ISL4238EIR-T | 功能描述:IC 5DRVR/3RCVR RS232 3V 32-QFN RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:25 系列:- 類型:收發器 驅動器/接收器數:2/2 規程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應商設備封裝:16-PDIP 包裝:管件 |
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