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參數(shù)資料
| 型號： | SN75LPE185DW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LOW-POWER MULTIPLE RS-232 DRIVERS/RECEIVERS WITH ENABLE |
| 中文描述： | 低功耗多重的RS - 232驅(qū)動器/使能的接收機 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 182K |
| 代理商： | SN75LPE185DW |
SN75LPE185
LOW-POWER MULTIPLE RS-232 DRIVERS/RECEIVERS
WITH ENABLE
SLLS256D – DECEMBER 1996 – REVISED OCTOBER 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Single-Chip RS-232 Interface for IBM
PC
Compatible Serial Port
Designed to Transmit and Receive 4-
μ
s Pulses
(Equivalent to 256 kbit/s)
Standby Power Is Less Than 750
μ
W Maximum
Wide Supply-Voltage Range . . . 4.75 V to 15 V
Driver Output Slew Rates Are Internally
Controlled to 30-V/
μ
s Maximum
RS-232 Bus-Pin ESD Protection Exceeds:
– 15 kV, Human-Body Model
– 8-kV IEC1000-4-2, Contact
– 15-kV IEC1000-4-2, Air Gap
Receiver Input Hysteresis . . . 1000 mV Typical
Three Drivers and Five Receivers Meet or
Exceed the Requirements of TIA/EIA-232-F and
ITU v.28 Standards
Complements the SN75LP196
One Receiver Remains Active During WAKE-UP
Mode (100
μ
A Maximum)
Matches the Flow-Through Pinout of the
Industry-Standard SN75185, SN75C185, and
SN75LP185, With Additional Control Pins
Package Options Include Plastic Shrink
Small-Outline (DB), Small-Outline (DW), Thin
Shrink Small-Outline (PW), and Standard
Plastic (NT) DIPs
description
The SN75LPE185 is a low-power bipolar device containing three drivers and five receivers, with 15-kV ESD
protection on the bus pins, with respect to each other. Bus pins are defined as those pins that tie directly to the
serial-port connector, including GND. The pinout matches the flow-through design of the industry-standard
SN75185, SN75C185, and SN75LP185, with the addition of four pins for control signals. The flow-through
pinout of the device allows easy interconnection of the UART and serial-port connector of the IBM PC
compatibles. The SN75LPE185 provides a rugged, low-cost solution for this function with the combination of
bipolar processing and 15-kV ESD protection.
The SN75LPE185 has an internal slew-rate control to provide a maximum rate of change in the output signal
of 30 V/
μ
s. The driver output swing is clamped at
±
6 V to enable the higher data rates associated with this device
and reduce EMI emissions. Although the driver outputs are clamped, the outputs can handle voltages up to
±
15 V without damage.
The device has flexible control options for power management when the serial port is inactive. A common
disable for all of the drivers and receivers is provided with the active-low enable (EN) input. The mode control
(MODE) input selects between the STANDBY and WAKE-UP modes. With a low-level input on the MODE pin
and a high-level input on the EN pin, one receiver remains active while the remaining drivers and receivers are
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
V
DD
RA1
RA2
RA3
DY1
DY2
RA4
DY3
RA5
V
SS
EN
MODE
V
CC
RY1
RY2
RY3
DA1
DA2
RY4
DA3
RY5
GND
NC
NC
DB, DW, NT, OR PW PACKAGE
(TOP VIEW)
NC – No internal connection
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PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
1998, Texas Instruments Incorporated
IBM and PC are trademarks of International Business Machines Corporation.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN75LPE185DWE4 | 功能描述:RS-232接口集成電路 Low-Power Multiple Driver/Receiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SN75LPE185DWG4 | 功能描述:RS-232接口集成電路 Lo Pwr Multi Drivers & Receivers RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SN75LPE185DWR | 功能描述:RS-232接口集成電路 Low-Power Multiple Driver/Receiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SN75LPE185DWRE4 | 功能描述:RS-232接口集成電路 Low-Power Multiple Driver/Receiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SN75LPE185DWRG4 | 功能描述:RS-232接口集成電路 Lo Pwr Multi Drivers & Receivers RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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