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參數(shù)資料
| 型號(hào)： | SN75LBC775 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Single-Chip AppleTalk(TM) And LocalTalk(TM) Transceiver |
| 中文描述： | 單片 AppleTalk(TM) 和 LocalTalk(TM) 收發(fā)器 |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 152K |
| 代理商： | SN75LBC775 |
SN75LBC775
SINGLE-CHIP APPLETALK
AND LOCALTALK
TRANSCEIVER
SLLS216A – MAY 1995 – REVISED JANUARY 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
Single-Chip Interface Solution for
AppleTalk
and
LocalTalk
Designed to Operate Up To 1 Mbps In
AppleTalk
and LocalTalk
Switched-Capacitor Voltage Converter
Allows for Single 5-V Operation
4-kV ESD Protection on Bus Terminals
Combines Multiple Components into a
Single Chip Solution
LinBiCMOS
Process Technology
description
The SN75LBC775 is a low-power LinBiCMOS
device that incorporates the drivers and receivers
for an AppleTalk or a LocalTalk interface and a
switched-capacitor voltage converter for a single
5-V supply operation. LocalTalk uses a hybrid of
RS-422 with the transceiver connected to the
network through a small isolation transformer.
The AppleTalk mode provides point-to-point
communications and uses the same differential
driver and receiver as LocalTalk with the addition
of a hybrid RS-423, single-ended handshake
driver (HSK) and receiver. In the AppleTalk mode,
the port connects directly to the receiver with no
isolation transformer.
While the device power is turned off (V
CC
= 0) or
disabled in the LocalTalk mode, the outputs are in
a high-impedance state. When the driver enable
(DEN) terminal is high, both the differential and
serial driver outputs are in a high-impedance
state.
The receiver output can be disabled and becomes
a high impedance when the REN terminal is low.
A switched-capacitor voltage converter generates
the negative voltage required from a single 5-V
supply using two 22-
μ
F capacitors. One capacitor
is between the C+ and C– terminals and the
second is between V
SS
and ground.
The SN75LBC775 is characterized for operating
over the temperature range of 0
°
C to 70
°
C.
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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HSKA
V
SS
C–
C+
DEN
DY
DZ
GND
V
CC
DA
GND
V
CC
HSKY
RY2
RA2
RB2
RB1
RA1
RY1
REN
DW PACKAGE
(TOP VIEW)
functional diagram
HSKY
DY
DZ
RY1
RY2
HSKA
DA
DEN
RA1
RB1
REN
RA2
RB2
Charge Pump
VSS
–5 V
VCC
GND
1
10
5
12
17
11
19
8
18
6
7
13
14
16
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2
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
LocalTalk and AppleTalk are trademarks of Apple Computer, Inc.
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 |
|---|---|
| SN75LBC775DW | 功能描述:RS-422接口集成電路 Sngl Chip AppleTalk LocalTalk Transceivr RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率: 工作電源電壓:5 V 電源電流:35 mA 工作溫度范圍: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-16 封裝:Tube |
| SN75LBC775DWG4 | 功能描述:RS-422接口集成電路 Sngl Chip AppleTalk LocalTalk Transceivr RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率: 工作電源電壓:5 V 電源電流:35 mA 工作溫度范圍: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-16 封裝:Tube |
| SN75LBC775DWR | 功能描述:總線收發(fā)器 Sngl Chip AppleTalk LocalTalk 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 |
| SN75LBC775DWRG4 | 功能描述:總線收發(fā)器 Sngl Chip AppleTalk LocalTalk 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 |
| SN75LBC776DB | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
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