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SN75140

更新时间： 2024-11-06 22:53:35

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
9页	145K
描述
DUAL LINE RECEIVER

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数据手册

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SN75140 数据手册

SN75140

DUAL LINE RECEIVER

SLLS080C – JANUARY 1977 – REVISED APRIL 1998

†

P OR PS PACKAGE

Single 5-V Supply

(TOP VIEW)

±100-mV Sensitivity

For Application as:

– Single-Ended Line Receiver

– Gated Oscillator

1OUT

COMSTRB

1LINE

2OUT

COMREF

2LINE

– Level Comparator

GND

Adjustable Reference Voltage

TTL Outputs

†

The PS package is only available

left-ended taped and reeled (order

SN75140 PSR).

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 µA),

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

≤ V – 100 mV

STROBE OUTPUT

ref

≥ V + 100 mV

ref

H = high level, L = low level, X = irrelevant

‡

logic symbol

COMSTRB

1LINE

≥1

1OUT

2OUT

COMREF

2LINE

‡

This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

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.

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.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...9

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