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參數(shù)資料
| 型號： | SN75ALS170AJ |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | TRIPLE DIFFERENTIAL BUS TRANSCEIVER |
| 中文描述： | 三路差分總線收發(fā)器 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 243K |
| 代理商： | SN75ALS170AJ |
SN75ALS170, SN75ALS170A
TRIPLE DIFFERENTIAL BUS TRANSCEIVER
SLLS055D – AUGUST 1987 – REVISED SEPTEMBER 1995
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Three Bidirectional Transceivers
Driver Meets or Exceeds ANSI Standard
EIA/TIA-422-B and RS-485 and ITU
Recommendation V.11
Two Skew Limits Available
Designed to Operate Up to 20 Million Data
Transfers per Second (FAST-20 SCSI)
High-Speed Advanced Low-Power Schottky
Circuitry
Designed for Multipoint Transmission on
Long Bus Lines in Noisy Environments
Wide Positive and Negative Input/Output
Bus Voltage Ranges
Driver Output Capacity . . .
±
60 mA
Thermal Shutdown Protection
Driver Positive- and Negative-Current
Limiting
Receiver Input Impedances . . . 12 k
Min
Receiver Input Sensitivity . . .
±
300 mV Max
Receiver Input Hysteresis . . . 60 mV Typ
Operate From a Single 5-V Supply
Glitch-Free Power-Up and Power-Down
Protection
Feature Independent Direction Controls for
Each Channel
description
The SN75ALS170 and SN75ALS170A triple differential bus transceivers are monolithic integrated circuits
designed for bidirectional data communication on multipoint bus transmission lines. It is designed for balanced
transmission lines and the driver meets ANSI Standards EIA/TIA-422-B and RS-485 and both the driver and
receiver meet ITU Recommendation V.11. The SN75ALS170A is designed for FAST-20 SCSI and can transmit
or receive data pulses as short as 30 ns with a maximum skew of 5 ns.
The SN75ALS170 and SN75ALS170A operate from a single 5-V power supply. The drivers and receivers have
active-high and active-low enables, respectively, which are internally connected together to function as a
direction control. The driver differential outputs and the receiver differential inputs are connected internally to
form differential input/output (I/O) bus ports that are designed to offer minimum loading to the bus when the
driver is disabled or V
CC
= 0. These ports feature wide positive and negative common-mode voltage ranges
making the device suitable for party-line applications.
The SN75ALS170 and the SN75ALS170A are characterized for operation from 0
°
C to 70
°
C.
AVAILABLE OPTIONS
SKEW LIMIT
PART NUMBER
10 ns
SN75ALS170DW
SN75ALS170J
5 ns
SN75ALS170ADW
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.
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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1D
1DIR
NC
GND
NC
2D
2DIR
NC
3D
3DIR
1B
1A
NC
NC
V
CC
2B
2A
3B
3A
NC
DW PACKAGE
(TOP VIEW)
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2
3
4
5
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7
14
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8
1D
1DIR
GND
2D
2DIR
3D
3DIR
1B
1A
V
CC
2B
2A
3B
3A
NC – No internal connection
J PACKAGE
(TOP VIEW)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN75ALS170DW | 功能描述:SCSI 接口集成電路 Triple Diff Bus Transceiver RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| SN75ALS170DWE4 | 功能描述:SCSI 接口集成電路 Triple Diff Bus Transceiver RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| SN75ALS170DWG4 | 功能描述:SCSI 接口集成電路 Triple Differential Bus Transceiver RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| SN75ALS170DWR | 功能描述:SCSI 接口集成電路 Triple Diff Bus Transceiver RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| SN75ALS170DWRE4 | 功能描述:SCSI 接口集成電路 Triple Diff Bus Transceiver RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
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