GTL stands for Gunning Transceiver Logic. It is an open-drain (NMOS) shunt to ground. Consequently, it is necessary to connect pullups in order to pull the net back HIGH when the NMOS device turns off. -----Original Message----- From: Nimish Aggarwal [mailto:nagarwal@xxxxxxxxxxx] Sent: Monday, June 02, 2003 11:18 PM To: si-list@xxxxxxxxxxxxx Subject: [SI-LIST] gtl signal ? Can anybody through light on what is GTL? Is it always necessary to connect pull-ups to the GTL pin? ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu