Datasheet > ST3243EC

ST3243EC

更新时间： 2024-11-01 23:34:39

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
14页	298K
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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ST3243EC 数据手册

ST3243E

±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

Flip-Chip28

■

AVAILABLE IN SO-28, SSOP-28, TSSOP28

AND FLIP-CHIP28 PACKAGES

DESCRIPTION

SSOP

TSSOP

The ST3243E 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.

The ST3243E 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.

disabled. If FORCEOFF is set low, both drivers

and receivers (expert R2B) are shut off, and

supply current is reduced to 1µA. Disconnecting

the serial port or turning off the peripheral drives

causes the auto-powerdown condition to occur.

Auto-powerdown can be disabled when

FORCEON and FORCEOFF are high, and should

be done when driving a serial mouse. With

Auto-powerdown enabled, the device is activated

automatically when a valid signal is applied to any

receiver input.

The Auto-powerdown feature functions when

FORCEON is low and FORCEOFF is high. During

this mode of operation, if the device does not

sense a valid RS-232 signal, the driver outputs are

Typical application are in notebook, subnotebook,

palmtop computers, battery-powered equipment,

hand-held equipment, peripherals and printers.

January 2003

1/14

12 3 4 5 6 7...14

中文翻译

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与ST3243EC相关器件

型号	品牌	获取价格	描述	数据表
ST3243ECD	STMICROELECTRONICS	获取价格	?5KV ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
ST3243ECDR	STMICROELECTRONICS	获取价格	?5KV ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
ST3243ECJ	STMICROELECTRONICS	获取价格	?5KV ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
ST3243ECPR	STMICROELECTRONICS	获取价格	?5KV ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
ST3243ECTR	STMICROELECTRONICS	获取价格	?5KV ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
ST3243ECTR-E	STMICROELECTRONICS	获取价格	(,-) 15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto power-down
ST3-24B17	PULSE	获取价格	Low Frequency, Open-Style Laminated, Split Bobbin, Horizontal Plug-In Series
ST3-24B171	PULSE	获取价格	Laminated Transformers Low Frequency Open-Style Laminated Split Bobbin Horizontal Plug-In
ST325	KODENSHI	获取价格	Photo transistors
ST-325	KODENSHI	获取价格	Photo transistors(high sensitivity NPN silicon phototransistor mounted)

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