That's a 128Kx8. UV erasable Eprom - 32 pin in DIP style package. I never had occasion to need anything like that.No, do you remember AM27C010-120DC EPROM? Needed 2, one for MSB, the other for LSB. The Data I/O programmer sat on my desk, since no one else knew how to use it.
The 2716 found in the A9L has a 2Kx8, 24 pin ceramic in DIP style package.