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參數(shù)資料
| 型號(hào)： | ST3243ECPR |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類(lèi)： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發(fā)器與0.1uF電容 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大小： | 300K |
| 代理商： | ST3243ECPR |
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March 2004
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ESD PROTECTION FOR RS-232 I/O PINS:
±8KV IEC 1000-4-2 CONTACT DISCHARGE
±15KV HUMAN BODY MODEL
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, TSSOP28
AND FLIP-CHIP28 PACKAGES
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DESCRIPTION
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 communication standards providing
high
data
rate
capability
electrostatic
discharge
transmitter
outputs
and
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.
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
and
protection.
receiver
enhanced
(ESD)
All
are
input
disabled. If FORCEOFF is set low, both drivers
and receivers (expert R2B) are shut off, and
supply current is reduced to 1
μ
A. 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
ST3243E
±15KV ESD PROTECTED 3 TO 5.5V, 400KBPS,
RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
SSOP
SOP
TSSOP
Flip-Chip28
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ST3243ECTR | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ST3243EBD | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ST3243EBJ | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ST3243EBPR | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ST3243EBTR | 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 |
|---|---|
| ST3243ECTR | 功能描述:緩沖器和線路驅(qū)動(dòng)器 Transcvr 3Drvr/5Rcvr RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(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 |
| ST3243ECTR-E | 功能描述:總線收發(fā)器 Transcvr 3Drvr/5Rcvr RoHS:否 制造商:Fairchild Semiconductor 邏輯類(lèi)型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類(lèi)型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| ST3-24B17 | 功能描述:電源變壓器 SPLIT BOBBIN HORZ MOUNT XFMR RoHS:否 制造商:Triad Magnetics 功率額定值:12 VA 初級(jí)電壓額定值:115 V / 230 V 次級(jí)電壓額定值:12 V / 24 V 安裝風(fēng)格:SMD/SMT 一次繞組:Dual Primary Winding 二次繞組:Dual Secondary Winding 長(zhǎng)度:2.5 in 寬度:2 in 高度:1.062 in |
| ST3-24B171 | 制造商:Pulse Electronics Corporation 功能描述:Split Bobbin Horiz. PC Mount XFMR See Mktg for high volume |
| ST3-24B17NL | 制造商:Pulse Engineering Inc 功能描述:Power Transformer 2500Vrms Single Prim. Dual Sec. 115V Prim. 24V/12V Sec. Through Hole 制造商:Pulse 功能描述:PWR TX 2500VRMS SGL PRIM. DUAL SEC. 115V PRIM. 24V/12V SEC. - Bulk 制造商:Pulse 功能描述:SPLIT BOBBIN HORIZ. PC MOUNT XFMR 制造商:Pulse 功能描述:Power Transformer 2500Vrms Single Prim. Dual Sec. 115V Prim. 24V/12V Sec. Through Hole |
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