---- START NEW MESSAGE --- Received: from cherry.ease.lsoft.com [209.119.0.109] by dpmail10.doteasy.com with ESMTP (SMTPD32-8.05) id A6ACB030266; Sun, 01 Feb 2004 08:17:48 -0800 Received: from PEAR.EASE.LSOFT.COM (209.119.0.19) by cherry.ease.lsoft.com (LSMTP for Digital Unix v1.1b) with SMTP id <14.00CC7C1E@cherry.ease.lsoft.com>; 1 Feb 2004 11:17:41 -0500 Received: from MITVMA.MIT.EDU by MITVMA.MIT.EDU (LISTSERV-TCP/IP release 1.8e) with spool id 9910 for PICLIST@MITVMA.MIT.EDU; Sun, 1 Feb 2004 11:17:35 -0500 Received: from MITVMA (NJE origin SMTP@MITVMA) by MITVMA.MIT.EDU (LMail V1.2d/1.8d) with BSMTP id 9258; Sun, 1 Feb 2004 11:17:10 -0500 Received: from ms-smtp-02-smtplb.ohiordc.rr.com [65.24.5.136] by mitvma.mit.edu (IBM VM SMTP Level 430) via TCP with ESMTP ; Sun, 01 Feb 2004 11:17:09 EST X-Warning: mitvma.mit.edu: Host ms-smtp-02-smtplb.ohiordc.rr.com claimed to be ms-smtp-02-eri0.ohiordc.rr.com Received: from lp3 (cvg-65-29-201-158.cinci.rr.com [65.29.201.158]) by ms-smtp-02-eri0.ohiordc.rr.com (8.12.10/8.12.7) with SMTP id i11GH4aZ009722 for ; Sun, 1 Feb 2004 11:17:05 -0500 (EST) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) X-MIMEOLE: Produced By Microsoft MimeOLE V5.50.4927.1200 Importance: Normal X-Virus-Scanned: Symantec AntiVirus Scan Engine Message-ID: Date: Sun, 1 Feb 2004 11:58:34 -0500 Reply-To: pic microcontroller discussion list Sender: pic microcontroller discussion list From: William Bross Subject: Re: [EE:] Shift registers with drivers To: PICLIST@MITVMA.MIT.EDU In-Reply-To: <6.0.1.1.2.20040131165906.03733e38@pop.telusplanet.net> Precedence: list X-RCPT-TO: Status: U X-UIDL: 371856753 -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Dwayne Reid The '6C595 ("C" variant) has the same pin-out as the 74hc595 and could be dropped into the same socket *EXCEPT* that the data is inverted with respect to the 74hc595: a serial 1 turns on the output FET, which is a low side switch. In summary: the only problem that I've had with the TPIC family is the TPIC6B595 (the "B" variant). dwayne Once again, please check your data sheets! These two chips don't have a single pin assignment in common! Yes, the data is inverted BUT, you can't interchange the chips! Bill -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads .