SN74161N datasheet, a 25.6 KB PDF for the synchronous presettable 4-bit binary counter with asynchronous clear, supplied in plastic DIP (N suffix).

Datasheet for the HCF4017, the CMOS decade counter and divider with ten decoded outputs, provided as a 380 KB PDF.

ST7066 datasheet, a 318 KB PDF for the Sitronix dot-matrix character LCD controller and driver, commonly found on 16x2 and similar text modules and known as HD44780…

Datasheet for the ST7565S, a dot-matrix LCD controller and driver IC widely used in small monochrome graphic display modules, supplied as a 715 KB PDF.

Another copy of the UG-2828GCEAF02 display module datasheet, this one a 1.31 MB PDF with a trailing dash in its name.

A 537 KB PDF datasheet for the AD7542 from Analog Devices, a 12-bit multiplying DAC designed to load data from a 4-bit microprocessor bus in nibble form.

Panel specification sheet for the VVX31P173F00 display, dated December 2018 in the file name, with no revision label given.

Datasheet for the Fintek F71868A Super I/O controller, a 5.57 MB PDF. Super I/O chips on desktop motherboards handle functions such as hardware monitoring, fan control…

Programming specification from Microchip describing how to program the flash and data EEPROM memory of PIC16F87X microcontrollers, supplied as a 201 KB PDF.

Datasheet for the SN74LS490, revision 5 of the document, stored as a compact 52.6 KB PDF.

Datasheet for a 2x16 character LCD module, meaning two lines of sixteen characters, supplied as an 87.6 KB PDF.

Large PDF guide on LCD and LED television repair, about 35 MB, filed as a datasheet although the name suggests a general training or reference manual rather than a…