Newsgroups: comp.robotics
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From: lgardi@uwovax.uwo.ca
Subject: Re: SGS Thompson H Bridges... Where?
Organization: University of Western Ont, London
Date: Thu, 10 Jun 1993 14:35:41 GMT
Message-ID: <1993Jun10.103541.1@uwovax.uwo.ca>
References: <25233@mindlink.bc.ca>
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In article <25233@mindlink.bc.ca>, Cliff_Lum@mindlink.bc.ca (Cliff Lum) writes:
>> Thomas Benedict writes:
>>
>> Msg-ID: <BENEDICT.93Jun8144112@chaos.utexas.edu>
>> Posted: 8 Jun 93 19:41:12 GMT
>>
>> Org.  : Center for Nonlinear Dynamics, University of Texas at Austin
>>
>> Does anyone know where I could get just two SGS Thompson L293D chips
>> for a Miniboard?  Active Electronics has a $25 minimum order, and they
>> only have one chip left in stock.  They're also not re-ordering until
>> December.  I'd really like to get this thing running this summer.  Are
>> there any equivalents I can safely use?  I've got everything except
>> for those two obnoxious chips.
>>
>> Tom Benedict
>> benedict@chaos.ph.utexas.edu
>> Center for Nonlinear Dynamics
>> University of Texas at Austin
> 
> I am having the same problem myself, SGS L293 are hard to get without a
> minimum order. But I have located two equivalents or better from TI.
> the TI L293D NE is a pin for pin compatible with the SGS L293D.
> the TI SN 754410 is an improved version that can handle 1 amp instead of 600
> ma for the L293's. 

  Is this also pin for pin compatible?

> 
> While i'm mentioning other chips has anyone tried a MC68HC811A8 instead of
> the MC68HC811E2. The 68HC811A8 has 8K + 512 of EEprom while the 11E2 chip has
> only 2K of eeprom. So more memory for better programs using the 68HC811A8
> (note: this is not the 68HC11A8, this is from the M68hc11 ref manual  REV 3)
> 
  I think they discontinued that chip quite a while ago. If you know otherwise
please let me know. (If it still exists, it's probably very expensice).

> 
> hope that helps
-- 
<<<RED FISHY WINS>>>

Lori Gardi	                            
Interesting World Technology
481 Central Ave.
London, ONT. N6B 2G2
LGARDI@UWOVAX.UWO.CA

