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參數(shù)資料
| 型號(hào)： | ST3243C |
| 廠(chǎng)商： | 意法半導(dǎo)體 |
| 英文描述： | Stratix FPGA 25K FBGA-672 |
| 中文描述： | 3至5.5V 400kbps的。 RS - 232接口收發(fā)器自動(dòng)掉電 |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 275K |
| 代理商： | ST3243C |
1/11
May 2002
I
1
μ
A SUPPLY CURRENT ACHIEVED WHEN
IN AUTO-POWERDOWN
250Kbps MINIMUM GUARANTEED DATA
RATE
GUARANTEED 6V/
μ
s SLEW RATE RANGE
GUARANTEED MOUSE DRIVEABILITY
0.1
μ
F EXTERNAL CAPACITORS
MEET EIA/TIA-232 SPECIFICATIONS DOWN
TO 3V
AVAILABLE IN SO-28, SSOP-28 AND
TSSOP28
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DESCRIPTION
The ST3243 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.
The receiver R2 is always active to implement a
wake-up feature for serial port.
The ST3243 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.
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
disabled. If FORCEOFF is set low, both drivers
and receivers (expert R2B) are shut off, and
supply current is reduced to 1mA. Disconnecting
the serial port or turning off the peripheral drives
causes the auto-powerdown condition to occur.
Auto-powerdown
can
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.
Typical application are in notebook, subnotebook,
palmtop computers, battery-powered equipment,
hand-held equipment, peripherals and printers.
be
disabled
when
ST3243
3 TO 5.5V, 400KBPS, RS-232
TRANSCEIVER WITH AUTO-POWERDOWN
SSOP
SOP
TSSOP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ST3243E | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ST3243EBDR | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ST3243ECJ | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ST3243ECPR | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ST3243ECTR | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST3243CD | 制造商:STMicroelectronics 功能描述:LINE TRANSMITTER/RCVR 3TR 3TX 5RX 28SOIC - Rail/Tube |
| ST3243CDR | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:3 to 5.5V, 400Kbps, RS-232 Transceiver with auto-powerdown |
| ST3243CPR | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 Transcvr 3Drvr/5Rcvr RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| ST3243CTR | 制造商:STMicroelectronics 功能描述:LINE TRANSMITTER/RCVR 3TR 3TX 5RX 28TSSOP - Tape and Reel |
| ST3243E | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:?5KV ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN |
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