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SP3243CA

更新时间： 2024-11-04 22:36:07

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
23页	165K
描述
Intelligent +3.0V to +5.5V RS-232 Transceivers

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中文翻译

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数据手册

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SP3243CA 数据手册

SP3223/3243

Intelligent +3.0V to +5.5V RS-232 Transceivers

■ Meets true EIA/TIA-232-F Standards

from a +3.0V to +5.5V power supply

■ Interoperable with EIA/TIA-232 and

adheres to EIA/TIA-562 down to a +2.7V

power source

■ AUTO ON-LINE^®circuitry automatically

wakes up from a 1µA shutdown

■ Minimum 120Kbps data rate under load

■ Regulated Charge Pump Yields Stable

RS-232 Outputs Regardless of V_CC

Variations

■ ESD Specifications:

+2kV Human Body Model

DESCRIPTION

The SP3223 and SP3243 products are RS-232 transceiver solutions intended for portable or

hand-held applications such as notebook and palmtop computers. The SP3223 and SP3243

useaninternalhigh-efficiency,charge-pumppowersupplythatrequiresonly0.1µFcapacitors

in 3.3V operation. This charge pump and Sipex's driver architecture allow the SP3223/

SP3243 series to deliver compliant RS-232 performance from a single power supply ranging

from +3.3V to +5.0V. The SP3223 is a 2-driver/2-receiver device, and the SP3243 is a

3-driver/5-receiver device ideal for laptop/notebook computer and PDA applications.

The SP3243 includes one complementary receiver that remains alert to monitor an external

device's Ring Indicate signal while the device is shutdown.

The AUTO ON-LINE^®feature allows the device to automatically "wake-up" during a shutdown

statewhenanRS-232cableisconnectedandaconnectedperipheralisturnedon. Otherwise,

the device automatically shuts itself down drawing less than 1µA.

SELECTION TABLE

Device

Power Supplies RS-232

RS-232

External

Components

TTL 3-State

No. of

Pins

AUTO ON-LINE^®

Drivers Receivers

Circuitry

SP3223

SP3243

+3.0V to +5.5V

4 capacitors

YES

Applicable U.S. Patents - 5,306,954; and other patents pending.

Rev. 6/30/03

SP3223 +3.0V to +5.5V RS-232 Transceivers

12 3 4 5 6 7...23

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与SP3243CA相关器件

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