SP3243BEY Datasheet

IC型號：
SP3243BEY
PDF描述：
Intelligent +3.0V to +5.5V RS-232 Transceivers
文件大小：
179.81KB
PDF頁數(shù)：
24頁
芯片廠家：
SIPEX

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廬

SP3223B/3243B

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

鈻?/div>

Meets true EIA/TIA-232-F Standards

from a +3.0V to +5.5V power supply

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Interoperable with EIA/TIA-232 and

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

power source

鈻?/div>

AUTO ON-LINE

廬

circuitry automatically

wakes up from a 1碌A(chǔ) shutdown

鈻?/div>

Minimum 250kbps data rate under load

鈻?/div>

Regulated Charge Pump Yields Stable

RS-232 Outputs Regardless of V

Variations

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ESD Specifications:

+2kV Human Body Model

DESCRIPTION

The SP3223B and SP3243B products are RS-232 transceiver solutions intended for portable

or hand-held applications such as notebook and palmtop computers. The SP3223B and

SP3243B use an internal high-efficiency, charge-pump power supply that requires only 0.1碌F

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

SP3223B/3243B series to deliver compliant RS-232 performance from a single power supply

ranging from +3.0V to +5.5V. The SP3223B is a 2-driver/2-receiver device, and the SP3243B

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

SP3243B 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廬 feature allows the device to automatically "wake-up" during a shutdown

state when an RS-232 cable is connected and a connected peripheral is turned on. Otherwise,

the device automatically shuts itself down drawing less than 1碌A(chǔ).

SELECTION TABLE

Device

SP3223B

SP3243B

Power Supplies

+3.0V to +5.5V

RS-232

Drivers

RS-232

Receivers

External

Components

4 capacitors

AUTO ON-LINE

廬

Circuitry

YES

TTL 3-State

YES

No. of

Pins

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

Rev. 6/30/03

SP3223B/3243B +3.0V to +5.5V RS-232 Transceivers

型號

版本

描述

廠商

下載
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Complete +5V-Only V.35 Interface with RS-232 (V.28) Control ...

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