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參數(shù)資料
| 型號(hào)： | SN75LBC776DW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | SINGLE-CHIP GeoPortE TRANSCEIVER |
| 中文描述： | 單芯片GeoPortE收發(fā)器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 208K |
| 代理商： | SN75LBC776DW |
SN75LBC776
SINGLE-CHIP GeoPort
TRANSCEIVER
SLLS221A – NOVEMBER 1995 – REVISED JANUARY 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Single-Chip Interface Solution for the
9-terminal GeoPort
Host (DTE)
Designed to Operate up to 4 Mbit/s Full
Duplex
Single 5-V Supply Operation
6-kV ESD Protection on All Terminals
Backward compatible With AppleTalk
and
LocalTalk
Combines Multiple Components into a
Single-chip Solution
Complements the SN75LBC777 9-Terminal
GeoPort Peripheral (DCE) Interface Device
LinBiCMOS
Process Technology
description
The SN75LBC776 is a low-power LinBiCMOS
device that incorporates the drivers and receivers for a 9-pin
GeoPort host
interface. GeoPort combines hybrid EIA/TIA-422-B and EIA/TIA-423-B drivers and receivers to
transmit data up to four megabits per second (Mbit/s) full duplex. GeoPort is a serial communications standard
that is intended to replace the RS-232, Appletalk, and LocalTalk printer ports all in one connector in addition
to providing real-time data transfer capability. It provides point-to-point connections between
GeoPort-compatible devices with data transmission rates up to 4 Mbit/s full duplex and a hot-plug feature.
Applications include connection to telephony, integrated services digital network (ISDN), digital sound and
imaging, fax-data modems, and other serial and parallel connections. The GeoPort is backwardly compatible
to both LocalTalk and AppleTalk.
While the SN75LBC776 is powered-off (V
CC
= 0) the outputs are in a high-impedance state. When the shutdown
(SHDN) terminal is high, the charge pump is powered down and the outputs are in a high-impedance state. The
driver enable (DEN) terminal sends the outputs of the differential driver into a high-impedance state with a high
input signal. All drivers and receivers have fail-safe mechanisms to ensure a high output state when the inputs
are left open.
A switched-capacitor voltage converter generates the negative voltage required from a single 5-V supply using
four 0.1-
μ
F capacitors, two capacitors between the C+ and C- terminals and two capacitors between V
EE
and
ground.
The SN75LBC776 is characterized for operation over the 0
°
C to 70
°
C temperature range.
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.
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DA1
V
EE
C–
C+
SHDN
DZ2
DY2
GND
DEN
DA2
GND
V
CC
DY1
RY3
RB3
RA2
RY2
RB1
RA1
RY1
DW PACKAGE
(TOP VIEW)
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
1996, Texas Instruments Incorporated
GeoPort, LocalTalk, and AppleTalk are trademarks of Apple Computer, Incorporated.
LinBiCMOS is a trademark of Texas Instruments Incorporated.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN75LBC776DWG4 | 功能描述:總線收發(fā)器 Sngl Chip GeoPort Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型: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 |
| SN75LBC776DWR | 功能描述:總線收發(fā)器 Sngl Chip GeoPort Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型: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 |
| SN75LBC776DWRG4 | 功能描述:總線收發(fā)器 Sngl Chip GeoPort Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型: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 |
| SN75LBC777CW | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN75LBC777DW | 功能描述:總線收發(fā)器 Sngl Chip GeoPort AppleTalk Transceivr RoHS:否 制造商:Fairchild Semiconductor 邏輯類型: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 |
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