Realtek ALC269 audio codec datasheet in PDF form, 1.25 MB; the extra (1) in the name only marks a duplicate copy.

A 340 KB PDF from Texas Instruments, named solely by its SDLS literature code, the document numbering TI uses for classic TTL logic datasheets.

A 706 KB PDF datasheet identified only by the literature code SDLS192, with no part number or device name in the title.

An 826 KB PDF from Texas Instruments labelled with literature code SDLS134. The larger size suggests a longer or multi-device logic datasheet, but the name does not…

PDF bearing the Texas Instruments literature number SDLS111, a code from the series TI uses for its legacy TTL logic datasheets.

Summary datasheet for the Atmel ATmega48, ATmega88 and ATmega168 family, indicated by the s suffix in the name.