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https://e2e.ti.com/support/clock-timing-group/clock-and-timing/f/clock-timing-forum/598902/sa555-difference-of-sa555drg4-and-sa555dr-device
您好， 客户想要订购SA555DRG4设备，但很快就不可用。 他还可以使用SA555DR吗？ 有何区别？
此致，Holger
