DS3486J National Semiconductor, DS3486J Datasheet

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DS3486J

Manufacturer Part Number
DS3486J
Description
Manufacturer
National Semiconductor
Datasheet

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© 2007 National Semiconductor Corporation
DS3486
Quad RS-422, RS-423 Line Receiver
General Description
National's quad RS-422, RS-423 receiver features four inde-
pendent receivers which comply with EIA Standards for the
electrical characteristics of balanced/unbalanced voltage dig-
ital interface circuits. Receiver outputs are 74LS compatible,
TRI-STATE
state when the appropriate output control pin reaches a logic
zero condition. A PNP device buffers each output control pin
to assure minimum loading for either logic one or logic zero
inputs. In addition, each receiver has internal hysteresis cir-
cuitry to improve noise margin and discourage output insta-
bility for slowly changing input waveforms.
Block and Connection Diagrams
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
®
structures which are forced to a high impedance
5779
577901
Features
Four independent receivers
TRI-STATE outputs
Internal hysteresis −140 mV (typ)
Fast propagation times −19 ns (typ)
TTL compatible outputs
5V supply
Pin compatible and interchangeable with MC3486
See NS Package Number M16A or N16E
Order Number DS3486M or DS3486N
Dual-In-Line Package
Top View
www.national.com
577902
April 2007

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DS3486J Summary of contents

Page 1

... In addition, each receiver has internal hysteresis cir- cuitry to improve noise margin and discourage output insta- bility for slowly changing input waveforms. Block and Connection Diagrams TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2007 National Semiconductor Corporation Features ■ Four independent receivers ■ ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Power Supply Voltage Input Common-Mode Voltage, V ICM Input Differential Voltage TRI-STATE Control Input Voltage Output Sink Current Storage Temperature, T STG Maximum Power Dissipation (Note 1) at 25°C ...

Page 3

Switching Characteristics (Unless otherwise noted and T CC Symbol t Propagation Delay Time—Differential Inputs to Output PHL(D) Output High to Low t Output Low to High PLH(D) t TRI-STATE Control to Output PLZ Output Low to TRI-STATE ...

Page 4

PHZ PLZ 1.5V for t and t PLZ PZL Input pulse characteristics (10% to 90%) TLH THL PRR = 1 MHz, 50% duty cycle www.national.com t PLZ 577906 t ...

Page 5

PZH t PZL FIGURE 2. Propagation Delay TRI-STATE Control Input to Output 5 577908 577909 www.national.com ...

Page 6

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted SO Package (M) Order Number DS3486M NS Package Number M16A Molded Dual-In-Line Package (N) Order Number DS3486N NS Package Number N16E 6 ...

Page 7

Notes 7 www.national.com ...

Page 8

... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...

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