ST3241EC_10 datasheet, PDF - EEWORLD Datasheet

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ST3241EC_10: DescriptionÂ±15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down; File Size249KB，13 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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Â±15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down

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ST3241EB

ST3241EC

±15 kV ESD protected 3 to 5.5 V, 400 kbps,

RS-232 transceiver with auto-power-down

Features

■

ESD protection for RS-232 I/O pins:

±8 kV IEC 1000-4-2 contact discharge

±15 kV human body model

1 µA supply current achieved when in auto-

power-down

250 kbps minimum guaranteed data rate

Guaranteed 6 V/ms slew rate range

Guaranteed mouse drive ability

0.1 µF external capacitors

Meets EIA/TIA-232 specifications down to 3 V

Available in SSOP-28 package

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

intended for notebook or sub-notebook

computers. Receivers R1 and R2 have extra

outputs in addition to their standard outputs.

These extra outputs are always active.

Typical applications are in notebooks, sub-

notebooks, palmtop computers, battery-powered

equipment, hand-held equipment, peripherals and

printers.

SSOP-28

■

Description

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 communication standards providing

high data rate capability and enhanced

electrostatic discharge (ESD) protection. All

transmitter outputs and receiver inputs are

protected to ±8 kV using IEC 1000-4-2 contact

discharge and ±15 kV using the human body

model. The receiver R2 is always active to

implement a wake-up feature for serial port.

The ST3241E has a proprietary low-dropout

transmitter output stage enabling true RS-232

performance from a 3.0 V to 5.5 V supply with a

dual charge pump. The device is guaranteed to

run at data rates of 250 kbps while maintaining

RS-232 output levels.

Table 1.

Device summary

Temperature range

0 to 70°C

–40 to 85°C

Order code

ST3241ECPR

ST3241EBPR

Package

SSOP-28 (tape and reel)

Packaging

1350 parts per reel

September 2010

Doc ID 9066 Rev 5

1/13

www.st.com

ST3241EC_10 Related Products

	ST3241EC_10	ST3241EB_10
Description	Â±15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down	Â±15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down

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