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參數資料
| 型號： | ICL3244 |
| 廠商： | Intersil Corporation |
| 英文描述： | 1Microamp, +3V to +5.5V, 250kbps, RS-232 Transceiver with Enhanced Automatic Powerdown |
| 中文描述： | 1Microamp，3V至5.5V，250kbps的，RS - 232接口的增強型自動掉電收發器 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 141K |
| 代理商： | ICL3244 |
4-1
TM
File Number
4876
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 trademark of Intersil Corporation.
Copyright
Intersil Corporation 2000
ICL3244
1Microamp, +3V to +5.5V, 250kbps,
RS-232 Transceiver 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
μ
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. It also includes a noninverting always-active
receiver for “wake-up” capability.
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
ICL3244 powers back up, automatically, whenever it senses
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
ICL3244 3V family.
Features
Manual and Enhanced Automatic Powerdown Features
Drop in Replacement for MAX3244
Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
Latch-Up Free
On-Chip Voltage Converters Require Only Four External
0.1
μ
F Capacitors
Guaranteed Mouse Driveability
Receiver 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. . . . . . . . . . 1
μ
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
- Cellular/Mobile Phones
Related Literature
- Application Note AN9863, “3V to +5.5V, 250k-1Mbps,
RS-232 Transmitters/Receivers”
Pinout
ICL3244 (SOIC, SSOP)
TOP VIEW
Ordering Information
PART NO.
TEMP.
RANGE (
o
C)
PACKAGE
PKG. NO.
ICL3244CA
0 to 70
28 Ld SSOP
M28.209
ICL3244CB
0 to 70
28 Ld SOIC
M28.3
NOTE: Most surface mount devices are available on tape and reel;
add “-T” to suffix.
C2+
C2-
V-
R1
IN
R2
IN
R3
IN
R4
IN
R5
IN
T1
OUT
T2
OUT
T3
OUT
T3
IN
T2
IN
T1
IN
C1+
V
CC
GND
C1-
FORCEON
INVALID
R1
OUT
R2
OUT
R3
OUT
R4
OUT
R5
OUT
V+
FORCEOFF
R2
OUTB
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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
ICL3244
3
5
250
No
No
Yes
Yes
Data Sheet
June 2000
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICL3244CA | 功能描述:IC 3DRVR/5RCVR RS232 3V 28-SSOP 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 |
| ICL3244CA-T | 功能描述:IC 3DRVR/5RCVR RS232 3V 28-SSOP 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 |
| ICL3244CB | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: 制造商:Intersil Corporation 功能描述: |
| ICL3244CV | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ICL3244E | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:+/-15kV ESD Protected, +3V to +5.5V, 1Microamp, 250kbps, RS-232 Transceivers with Enhanced Automatic Powerdown |
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