Manufacturer datasheet in PDF for the UGN3144 from Allegro MicroSystems, a Hall-effect switch sensor, 143 KB in size.

Official datasheet for the Allwinner H5 system-on-chip, document version 1.0, supplied as a large PDF of about 23.7 MB.

Allwinner H3 SoC datasheet, version 1.0, in PDF format at roughly 7.24 MB. The document describes the processor's pinout and package, operating voltages for core and I/O…

Datasheet in PDF, 1.36 MB, carrying document code SDNS033B; the B suffix typically marks a revised edition.

Datasheet in PDF, 273 KB, named with literature code SDLS208 and nothing else. The SDLS prefix points toward Texas Instruments logic documentation, though the specific…

A 14.8 KB PDF datasheet for the SN7430N, a single 8-input positive NAND gate in a plastic DIP package.

Datasheet for the SN7427N, a triple 3-input positive NOR gate in plastic DIP, supplied as a 13.3 KB PDF.

Datasheet for the MQ-3 gas sensor, a tin dioxide semiconductor sensor sensitive to alcohol vapour, widely used in breathalyser kits and hobby modules.

PDF datasheet for the SED1278, 165 KB. The SED1278 is an Epson dot-matrix character LCD controller, broadly compatible with the HD44780 used in common alphanumeric text…

The B variant of the PG12864 graphic display is covered in this short 52.1 KB PDF datasheet.

PDF reference for the SN7405N, a hex inverter from the 7400 TTL family with open-collector outputs, supplied in plastic DIP.

Combined datasheet for the Microchip PIC16C63A, PIC16C65B, PIC16C73B and PIC16C74B microcontrollers, provided as a 2.18 MB PDF.

Datasheet for the MQ2 gas sensor, a heated semiconductor sensor sensitive to combustible gases such as LPG, propane, hydrogen, smoke and similar vapours.

Alpha and Omega Semiconductor AON6554 datasheet, a 441 KB PDF. Like other AON-series devices it is a power MOSFET in a DFN 5x6 footprint used in synchronous buck stages…

Microchip PIC16HV540 datasheet in PDF, 1.48 MB. The HV designation refers to a high-voltage variant of the baseline PIC family designed to run from a wider supply range…

Full Atmel datasheet for the AT89S8253, an 8051-compatible microcontroller with 12 KB of in-system programmable flash and 2 KB of onboard EEPROM.

An 842 KB PDF describing the LCD1602, the common 16-character by 2-line alphanumeric character display module.

Final version 0 specification for the M270QAN05 panel, dated 2020-06-17 per the name, in a 2.40 MB PDF.

PDF datasheet of 110 KB for the PG640480 family, revision A, without a variant suffix. The number denotes a 640 by 480 dot graphic LCD module.

Datasheet covering the SN7408N quad 2-input positive AND gate, a standard TTL device in a plastic dual in-line package.

Datasheet for the SN7402N quad 2-input positive NOR gate, part of the classic TTL logic family and packaged in plastic DIP.

PDF datasheet of 369 KB for the AON6380, an Alpha and Omega Semiconductor power MOSFET.

Short 95.2 KB PDF datasheet for the PG9832 family, revision letter A, without a specific variant suffix in the name.

Specification datasheet in PDF for the MV270QUM-NM0 display panel; the 270 in the part number suggests a 27-inch class panel, though the name itself states nothing more.

Datasheet for the ON Semiconductor NCP81218, a fairly large 2.83 MB PDF. NCP812xx parts are multiphase controllers used in CPU and GPU core voltage regulators.

BAT54 Schottky diode datasheet, an 86.4 KB PDF document. The BAT54 is a small-signal Schottky diode available in single, dual, common-anode and common-cathode variants…

LM340RW1-SSA1 panel specification, version 0.1 dated 2018-09-18 as stated in the file name, stored as a 1.19 MB PDF.