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| 型号： | SN75ALS170 |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | Triple Differential Bus Transceiver |
| 中文描述： | 三路差动总线收发器 |
| 文件页数： | 1/15页 |
| 文件大小： | 340K |
| 代理商： | SN75ALS170 |
SN75ALS170, SN75ALS170A
TRIPLE DIFFERENTIAL BUS TRANSCEIVER
SLLS055D – AUGUST 1987 – REVISED SEPTEMBER 1995
Copyright
1995, Texas Instruments Incorporated
2–1
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
Operates From a Single 5-V Supply
Glitch-Free Power-Up and Power-Down
Protection
Features 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.
AVAILABLE OPTIONS
SKEW LIMIT
PART NUMBER
10 ns
SN75ALS170DW
SN75ALS170J
5 ns
SN75ALS170ADW
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1D
1DIR
GND
2D
2DIR
3D
3DIR
1B
1A
VCC
2B
2A
3B
3A
OUTPUTS
INPUT
D
DIR
A
B
H
L
X
H
L
H
L
Z
L
H
Z
EACH DRIVER
DIFFERENTIAL INPUTS
A – B
OUTPUT
R
DIR
VID ≥ 0.3 V
L
H
– 0.3 V < VID < 0.3 V
L
?
VID ≤ – 0.3 V
L
XH
Z
EACH RECEIVER
H = high level, L = low level, ? = indeterminate;
X = irrelevant, Z = high impedance (off)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1D
1DIR
NC
GND
NC
2D
2DIR
NC
3D
3DIR
1B
1A
NC
VCC
2B
2A
3B
3A
NC
DW PACKAGE
(TOP VIEW)
NC – No internal connection
Function Tables
Open
LH
J 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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN75ALS170_08 | 制造商:TI 制造商全称:Texas Instruments 功能描述:TRIPLE DIFFERENTIAL BUS TRANSCEIVER |
| SN75ALS170A | 制造商:TI 制造商全称:Texas Instruments 功能描述:TRIPLE DIFFERENTIAL BUS TRANSCEIVER |
| SN75ALS170ADW | 功能描述:SCSI 接口集成电路 Triple Diff Bus RoHS:否 制造商:Texas Instruments 工作电源电压:2.7 V to 5.25 V 电源电流:13 mA 最大工作温度:+ 70 C 最小工作温度:0 C 安装风格:SMD/SMT 封装 / 箱体:SSOP-36 封装:Tube |
| SN75ALS170ADWE4 | 功能描述:SCSI 接口集成电路 Triple Diff Bus Transceiver RoHS:否 制造商:Texas Instruments 工作电源电压:2.7 V to 5.25 V 电源电流:13 mA 最大工作温度:+ 70 C 最小工作温度:0 C 安装风格:SMD/SMT 封装 / 箱体:SSOP-36 封装:Tube |
| SN75ALS170ADWG4 | 功能描述:SCSI 接口集成电路 Triple Differential Bus Transceiver RoHS:否 制造商:Texas Instruments 工作电源电压:2.7 V to 5.25 V 电源电流:13 mA 最大工作温度:+ 70 C 最小工作温度:0 C 安装风格:SMD/SMT 封装 / 箱体:SSOP-36 封装:Tube |
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