Vintage Simmons Drums (UK) Users Group

Hi, 
You also will need a battery to hold memory for the 6264 on the card otherwise the ram wont hold its memory. ;)http://users.ece.utexas.edu/~valvano/Datasheets/HM6264.pdf
Here is the data sheet for the 6264 http://soundcloud.com/wifiwww.facebook.com/matanateknik                             


     On Monday, November 24, 2014 9:25 PM, "edrose1@... [Simmons_Drums]" <Simmons_Drums@yahoogroups.com> wrote:



     Thanks for the info, everyone - very much appreciated.
The schematic I found for the Siel uses a 6116 which is only 16k and requires a battery to hold memory. Let me know if that's the wrong schematic.
Regarding Phil's post, what value of capacitor is required for decoupling? And, would it be as simple as a straight 1:1 wiring with the resistors and capacitor between the PCB and 6264?  #yiv1490423245 #yiv1490423245 -- #yiv1490423245ygrp-mkp {border:1px solid #d8d8d8;font-family:Arial;margin:10px 0;padding:0 10px;}#yiv1490423245 #yiv1490423245ygrp-mkp hr {border:1px solid #d8d8d8;}#yiv1490423245 #yiv1490423245ygrp-mkp #yiv1490423245hd {color:#628c2a;font-size:85%;font-weight:700;line-height:122%;margin:10px 0;}#yiv1490423245 #yiv1490423245ygrp-mkp #yiv1490423245ads {margin-bottom:10px;}#yiv1490423245 #yiv1490423245ygrp-mkp .yiv1490423245ad {padding:0 0;}#yiv1490423245 #yiv1490423245ygrp-mkp .yiv1490423245ad p {margin:0;}#yiv1490423245 #yiv1490423245ygrp-mkp .yiv1490423245ad a {color:#0000ff;text-decoration:none;}#yiv1490423245 #yiv1490423245ygrp-sponsor #yiv1490423245ygrp-lc {font-family:Arial;}#yiv1490423245 #yiv1490423245ygrp-sponsor #yiv1490423245ygrp-lc #yiv1490423245hd {margin:10px 0px;font-weight:700;font-size:78%;line-height:122%;}#yiv1490423245 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