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ST3241E PDF预览

ST3241E

更新时间: 2024-11-17 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

ST3241E 数据手册

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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  

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