What does B1 0229APA marking mean in AMD 188 processor?

[Vonn]

MicroProcessor Marking

I have an AMD 188 up and I want to know some thing about the marking code written on the package , I couldn't find this information in datasheet
-------------------
AMD
Am188ES-40KC
B1 0229APA <------------------ ?
(c) AMD 96
(c) INTEL '78'82
--------------------

I need to know the indication of the third line ( B1 0229APA ) ????

Can any body give me a hand on this ??

 

[glenjoy]

MicroProcessor Marking

I think it is the 29th week of 2002

 

[shurilo]

MicroProcessor Marking

B1 means the revision on the silicon inside the package, usually first revision of the silicon is A1, then comes A2 and etc.