What is a "TestPIN"?

[Lac]

I just got hold of a DS32KHZ chip , it is a 32KHz oscillator ic, This chip have got 2 TPIN pins (TestPIN) what are these for? how to they work?

 

[Sebi]

I don't know this chip, but most of case on time-base IC-s the test pin an audio freq. rectangular output.(in this case e.g. 320Hz)

 

[pandaemonium]

I don't know if these pins have any practical use but under normal conditions, both of there pins must be grounded.