PDF application note of 82.3 KB dealing with the LM75, a digital temperature sensor with a two-wire I2C-compatible interface and an overtemperature output.

Analog Devices AD7541 datasheet, a 234 KB PDF for a 12-bit multiplying digital-to-analogue converter with parallel data inputs and current outputs.

Datasheet revision 5 for the SN74LS669, a synchronous 4-bit up/down binary counter from the 74LS low-power Schottky TTL family, as a 74.2 KB PDF.

A 199 KB PDF covering the AD7528, a dual 8-bit multiplying digital-to-analogue converter from Analog Devices with a shared data bus and a select line for each DAC.

Revision 5 datasheet for the SN74LS569A, a synchronous 4-bit up/down binary counter with 3-state outputs from the 74LS low-power Schottky TTL line, in a 108 KB PDF.

Revision 5 datasheet for the SN74LS623, an octal bus transceiver with 3-state outputs in the 74LS low-power Schottky TTL family, provided as a 50.4 KB PDF.

Datasheet for the Richtek RT3609BE, a dual-channel PWM controller with an I2C-style digital interface, filed here under ASRock boards.