SP3249EEY-L

更新时间： 2024-11-25 13:00:31

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
14页	130K
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SP3249EEY-L 数据手册

SP3249E

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

ꢀ Minimum 250Kbps data rate under load

ꢀ Regulated Charge Pump Yields Stable

RS-232 Outputs Regardless of V_CC

Variations

ꢀ Enhanced ESD Specifications:

+15KV Human Body Model

+15KV IEC1000-4-2 Air Discharge

+8KV IEC1000-4-2 Contact Discharge

DESCRIPTION

The SP3249E device is an RS-232 transceiver solution intended for portable or hand-held

applications such as notebook and palmtop computers. The SP3249E uses an internal

high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V

operation. This charge pump and Sipex's driver architecture allow the SP3249E device to

deliver compliant RS-232 performance from a single power supply ranging from +3.0V to

+5.0V. The SP3249E is a 5-driver/3-receiver device, ideal for laptop/notebook computer and

PDA applications.

SELECTION TABLE

Part

Power

RS-232

Drivers

RS-232

External

AUTO ON-LINE™

Circuitry

TTL

Number

of Pins

Number

Supplies

Receivers Components

3-State

SP3223E +3.0V to +5.5V

SP3243E +3.0V to +5.5V

SP3238E +3.0V to +5.5V

SP3239E +3.0V to +5.5V

SP3249E +3.0V to +5.5V

4 capacitors

YES

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

Rev.4/08/02

SP3249E Intelligent +3.0V to +5.5V RS-232 Transceivers

12 3 4 5 6 7...14

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