Configurable Multiple-Function Gate
SN74LVC1G57
SN74LVC1G58
SN74LVC1G97
SN74LVC1G98
SN74LVC1G99
可配置多功能门 SN74LVC1G57, 1G58, 1G97, 1G98, 1G99
原文:http://www.cnblogs.com/shangdawei/p/3539980.html