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https://e2e.ti.com/support/switches-multiplexers-group/switches-multiplexers/f/switches-multiplexers-forum/1325542/sn74cb3q32245-sn74cb3q32245gker
器件型号：SN74CB3Q32245
可能的 SN74CB3Q32245ZKER 更改 SN74CB3Q32245GKER 根据数据表未找到差异、封装：无铅
是的；ZKE 无铅是唯一的区别。
(两者都已过时并且不再受支持。)
谢谢！
