SCLS589B August 2004 – May 2020 SN74LV8154
PRODUCTION DATA.
请参考 PDF 数据表获取器件具体的封装图。
The SN74LV8154 can count any two events up to a count of 65,535 per storage register read. It can also count one event up to a count of 4,294,967,295 per storage register read.