SP3243EHET/TR Exar, SP3243EHET/TR Datasheet

SP3243EHET/TR

Manufacturer Part Number

SP3243EHET/TR

Description

RS-232 Interface IC Intelligent 3-5.5V RS-232 Transceiver

Manufacturer

Exar

Datasheet

1.SP3243EHETTR.pdf (25 pages)

Specifications of SP3243EHET/TR

Product Category

RS-232 Interface IC

Mounting Style

SMD/SMT

Package / Case

SOIC-28 Wide

Current page: 1 of 25
Download datasheet (239Kb)

SP3223EHDS/11

DESCRIPTION

The SP3223EH and 3243EH products are RS-232 transceiver solutions intended for portable

or hand-held applications such as notebook and palmtop computers. The "H" series is based

on Sipex's SP3223E/3243E series and has been enhanced for high speed. The data rate is

improved to 460Kbps, easily meeting the demands of high speed RS-232 applications. The

SP3223EH and 3243EH use an internal high-efficiency, charge-pump power supply that

requires only 0.1 F capacitors in 3.3V operation. This charge pump and Sipex's driver

architecture allow the SP3223EH/3243EH series to deliver compliant RS-232 performance from

a single power supply ranging from +3.3V to +5.0V. The SP3223EH is a 2-driver/2-receiver

device, and the SP3243EH is a 3-driver/5-receiver device, ideal for laptop/notebook computer

and PDA applications. The SP3243EH includes one complementary receiver that remains

alert to monitor an external device's Ring Indicate signal while the device is shutdown.

The Auto-Online 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 A.

SELECTION TABLE

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

Meets true EIA/TIA-232-F Standards

Interoperable with EIA/TIA-232 and

Regulated Charge Pump Yields Stable

Enhanced ESD Specifications:

460 Kbps minimum transmission rate

Ideal for High Speed RS-232 Applications

from a +3.0V to +5.5V power supply

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

power source

Auto-Online

wakes up from a 1 A shutdown

RS-232 Outputs Regardless of V

Variations

+8KV IEC1000-4-2 Contact Discharge

+15KV Human Body Model

+15KV IEC1000-4-2 Air Discharge

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