If I can't test it fully I will say so. This is not correct. provided the box doesn't get too large or heavy.
Texas Instruments 256kb EEPROM ( UV erasable)
Linear & Interface Circuits Product Application Volume 2 Texas Instruments 1986
Linear & Interface Circuits Product Application Volume 1 Texas Instruments 1986
Texas Instruments MOS Memory Data Book Commercial and Military Specs 1989
Texas Instruments Testability Primer 1991, vintage manual
Texas Instruments GPL Scope Products Application/Data Manual 1993, vintage