Digital Video Broadcasting (DVB); Specification for Service Information (SI) in DVB systems Final draft ETSI EN 300 468 V1.10.1 (2009-07) DVB必备资料 2009最新版
The 74HC/HCT125 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT125 are four non-inverting buffer/line drivers with 3-state outp