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參數資料
| 型號： | SN75LBC187DB |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | RES FIX, 100M .125W 10% SMD |
| 中文描述： | 多通道環評- 232驅動器/接收電荷泵 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 126K |
| 代理商： | SN75LBC187DB |
SN75LBC187
MULTICHANNEL EIA-232 DRIVER/RECEIVER
WITH CHARGE PUMP
SLLS130C – SEPTEMBER 1991 – REVISED MAY 1995
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Single IC and Single 5-V Supply Interface
for Serial Communication Ports
Meets or Exceeds the Requirements of
ANSI Standards EIA/TIA-232-E-1991,
EIA/TIA-562, and ITU Recommendation V.28
Switched-Capacitor Voltage Converter
Eliminates Need for
±
12-V Supplies
Voltage Converter Operates With Low
Capacitance . . . 0.1
μ
F Min
Designed for Data Rates up to 120 kb/s
Over 3-m Cable
Available in Shrink Small-Outline 25-mil-
Pitch Package
Shutdown Mode to Save Power When Not
in Use
±
30-V Receiver Input Voltage Range
LinBiCMOS
Process Technology
Applications
– Laptop or Notebook Computers
– Portable Terminals
– Single-Board Computers
– Portable Test Equipment
description
The SN75LBC187 is a low-power LinBiCMOS
device containing three drivers, five receivers, and a
switched-capacitor voltage converter. The SN75LBC187 provides a single chip and single 5-V supply interface
between the asynchronous communications element and the serial port connector of the data terminal
equipment (DTE). This device has been designed to conform to ANSI Standards EIA/TIA-232-E, EIA/TIA-562,
and ITU recommendation V.28.
The switched-capacitor voltage converter of the SN75LBC187 uses four small external capacitors to generate
the positive and negative voltages required by EIA/TIA-232-E (and V.28) line drivers from a single 5-V input.
The drivers feature output slew-rate limiting to eliminate the need for external filter capacitors. The receivers
can accept
±
30 V without damage. The device also features a reduced power or shutdown mode that cuts the
quiescent power to the IC when not transmitting data between the CPU and peripheral.
The SN75LBC187 has been designed using LinBiCMOS
technology and cells contained in the Texas
Instruments LinASIC
library. The SN75LBC187 is characterized for operation from 0
°
C to 70
°
C.
NOTE:
This device includes circuit designs and process technologies that have patents pending.
Copyright
1995, Texas Instruments Incorporated
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.
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DY3
DY1
DY2
RA2
RY2
DA2
DA1
RY1
RA1
GND
V
CC
C1+
V
DD
C1–
NC
RA3
RY3
SHUTDOWN
NC
RA4
RY4
NC
DA3
RY5
RA5
V
SS
C2–
C2+
DB PACKAGE
(TOP VIEW)
NC–No internal connection
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.
LinBiCMOS and LinASIC are a trademarks of Texas Instruments Incorporated.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SN75LBC187DBR | 功能描述:RS-232接口集成電路 EIA232 MultiCh RoHS:否 制造商:Exar 數據速率: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: |
| SN75LBC187DBRE4 | 功能描述:RS-232接口集成電路 MultiCh EIA-232 Driver/Receiver RoHS:否 制造商:Exar 數據速率: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: |
| SN75LBC187DBRG4 | 功能描述:RS-232接口集成電路 Multi Ch EIA232 Driver Receiver RoHS:否 制造商:Exar 數據速率: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: |
| SN75LBC241DBLE | 制造商:Texas Instruments 功能描述: |
| SN75LBC241DW | 功能描述:RS-232接口集成電路 LP LinCMOS Mult RoHS:否 制造商:Exar 數據速率: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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