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ST3241E

更新时间： 2024-11-01 22:36:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
10页	205K
描述
【15KV ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN

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中文翻译

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数据手册

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ST3241E 数据手册

ST3241E

±15KV ESD PROTECTED 3 TO 5.5V, 400KBPS,

RS-232 TRANSCEIVER WITH AUTO-POWERDOWN

■

ESD PROTECTION FOR RS-232 I/O PINS:

±8KV IEC 1000-4-2 CONTACT DISCHARGE

±15KV HUMAN BODY MODEL

1µA SUPPLY CURRENT ACHIEVED WHEN

IN AUTO-POWERDOWN

250Kbps MINIMUM GUARANTEED DATA

RATE

■

GUARANTEED 6V/µs SLEW RATE RANGE

GUARANTEED MOUSE DRIVEABILITY

0.1µF EXTERNAL CAPACITORS

MEET EIA/TIA-232 SPECIFICATIONS DOWN

TO 3V

SOP

■

AVAILABLE IN SO-28, SSOP28 AND

TSSOP28 PACKAGES

DESCRIPTION

SSOP

TSSOP

The ST3241E device consists of 3 drivers, 5

receivers and a dual charge-pump circuit. The

device meets the requirements of EIA/TIA and

V.28/V.24 comunication standards providing high

data rate capability and enhanced electrostatic

discharge (ESD) protection. All transmitter outputs

and receiver input are protected to ±8KV USING

IEC 1000-4-2 contact discharge and ±15KV using

the Human Body Model. The receiver R2 is

always active to implement a wake-up feature for

serial port.

It is a complete serial port (3 drivers, 5 receivers)

intended for notebook or subnotebook computers.

Receivers R1 and R2 have extra outputs in

addition to their standard outputs. These extra

outputa are always active.

Typical application are in notebook, subnotebook,

palmtop computers, battery-powered equipment,

hand-held equipment, peripherals and printers.

The ST3241E has a proprietary low-dropout

transmitter output stage enabling true RS-232

performance from a 3.0V to 5.5V supply with a

dual charge pump. The device is guaranteed to

run at data rates of 250kbps while maintaining

RS-232 output levels.

October 2002

1/10

12 3 4 5 6 7...10

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