•  Back 
  •  %Main 
  •  Index 
  •  Tree View 
  •  Cross references 
  •  Help page 
  •  Show info about hypertext 
  •  View a new file 
Topic       : Chips 'n Chips
Author      : Michael Ruge
Version     : chips_x.hyp (01/05/2001)
Subject     : Dokumentation/Hardware
Nodes       : 1505
Index Size  : 35662
HCP-Version : 3
Compiled on : Atari
@charset    : atarist
@lang       : 
@default    : 
@help       : 
@options    : -i -s +zz -t4
@width      : 75
View Ref-File
 
   MC3486 (Quad RS-422/RS-423 Line Receiver)


index=1295
General Description The 3486 is an quad RS-422, RS-423 receiver features four indepen- dent receivers which comply with EIA Standards for the electrical characteristics of balanced/unbalanced voltage digital interface circuits. Receiver outputs are 74LS compatible, TRI-STATE structures which are forced to a high impedance state when the appropriate out- put 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 circuitry to improve noise margin and discourage output instability for slowly changing input waveforms. 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, DS3486
index=1294
MC3487 (Quad TRI-STATE Line Driver) General Description The 3487 is an quad RS-422 driver features four independent drivers which comply with EIA Standards for the electrical characteristics of balanced voltage digital interface circuits. The outputs are TRI-STATE structures which are forced to a high impedance state when the appropriate output control pin reaches a logic zero condition. All input pins are PNP buffered to minimize input loading for either logic one or logic zero inputs. Features Four independent drivers TRI-STATE outputs Fast propagation times (typ 10 ns) TTL compatible 5V supply Output rise and fall times less than 15 ns Pin compatible with DS8924, DS3487 and MC3487 Kapitel MC3486 (Line Receiver) und MC3487 (Line Driver), Seite 1