ST3222E_06 Datasheet

IC型號(hào)：
ST3222E_06
PDF描述：
【 15KV ESD-protected, 3 to 5.5V Low power, up to 250KBps, R...
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STMICROELECTRONICS

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ST3222E

鹵 15KV ESD-protected, 3 to 5.5V

Low power, up to 250KBps, RS-232 drivers and receivers

General features

ESD protection for RS-232 I/O pins 鹵 15KV

human body model, 鹵 8KV IEC 1000-4-2

contact discharge

300碌A(chǔ) supply current

250KBps minimum guarantee data rate

6V/碌s minimum guarantee slew rate

Meet EIA/TIA-232 specification down to 3V

Available in SO-18, SSOP20 and TSSOP20

TSSOP

SOP

SSOP

Description

The ST3222E is a 3V powered EIA/TIA-232 and

V.28/V.24 communications interface with low

power requirements, high data-rate capabilities

and enhanced electrostatic discharge (ESD)

protection to 鹵8kV using IEC1000-4-2 Contact

Discharge and 鹵15kV using the Human Body

Model. ST3222E has a proprietary low dropout

transmitter output stage providing true RS-232

performance from 3 to 5V supplies with a dual

charge pump. The charge pump requires only

four small 0.1mF external capacitors for operation

form 3V supply. The device has two receivers

and two drivers. The ST3222E features a 1mA

shutdown mode that reduces power consumption

and extends battery life in portable systems. Its

receivers can remain active in shutdown mode,

allowing external devices such as modems to be

monitored using only 1mA supply current. The

device is guaranteed to run at data rates of

250Kbps while maintaining RS-232 output levels.

Typical applications are Notebook, Sub-notebook

and Palmtop Computers, Battery Powered

Equipment, Hand-Held Equipment, Peripherals

and Printers.

Order code

Part number

ST3222ECDR

ST3222ECPR

ST3222EBPR

ST3222ECTR

ST3222EBTR

Temperature

range

0 to 70 擄C

-40 to 85 擄C

0 to 70 擄C

-40 to 85 擄C

Package

SO-18 (Tape & Reel)

SSOP20 (Tape & Reel)

TSSOP20 (Tape & Reel)

Comments

1000 parts per reel

1350 parts per reel

2500 parts per reel

March 2006

Rev 6

www.st.com

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