參數(shù)資料
型號: SN75140PS
廠商: Texas Instruments, Inc.
英文描述: DUAL LINE RECEIVER
中文描述: 雙線路接收器
文件頁數(shù): 1/9頁
文件大?。?/td> 143K
代理商: SN75140PS
SN75140
DUAL LINE RECEIVER
SLLS080C – JANUARY 1977 – REVISED APRIL 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Single 5-V Supply
±
100-mV Sensitivity
For Application as:
– Single-Ended Line Receiver
– Gated Oscillator
– Level Comparator
Adjustable Reference Voltage
TTL Outputs
TTL-Compatible Strobe
Designed for Party-Line (Data-Bus)
Applications
Common Reference-Voltage Pin
Common Strobe
description
This device consists of a dual single-ended line receiver with TTL-compatible strobes and outputs. The
reference voltage (switching threshold) is applied externally and can be adjusted from 1.5 V to 3.5 V, making
it possible to optimize noise immunity for a given system design. Due to the low input current (less than 100
μ
A),
the device is suited ideally for party-line (data-bus) systems.
The SN75140 has a common reference-voltage pin and a common strobe.
The SN75140 is characterized for operation from 0
°
C to 70
°
C.
FUNCTION TABLE
(each receiver)
LINE INPUT
Vref – 100 mV
Vref + 100 mV
X
STROBE
OUTPUT
L
H
X
L
H
L
H = high level, L = low level, X = irrelevant
logic symbol
2
COMSTRB
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
3
1LINE
1OUT
1
1
5
2LINE
2OUT
7
1
6
COMREF
Copyright
1998, 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.
1
2
3
4
8
7
6
5
1OUT
COMSTRB
1LINE
GND
V
CC
2OUT
COMREF
2LINE
P OR PS PACKAGE
(TOP VIEW)
The PS package is only available
left-ended taped and reeled (order
SN75140 PSR).
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