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

Datasheet for the HJ1602A, a 16x2 character LCD module, provided as a 320 KB PDF. It covers the module dimensions, pin assignment, electrical characteristics and the…

PDF datasheet for the Microchip PIC16F628 flash microcontroller, 1.68 MB in size. It describes the pin functions, internal oscillator, comparators, USART, timers…

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

PDF datasheet, 1.17 MB, for the Microchip PIC16C62x series of 8-bit EPROM-based microcontrollers.

Datasheet for the Microchip PIC16C433, provided as a 2.43 MB PDF file. The document contains the device pinout, memory organisation, peripheral descriptions, instruction…

Short-form summary datasheet covering the Atmel ATmega329, ATmega3290, ATmega649 and ATmega6490 microcontrollers, AVR parts with integrated LCD controllers.

AT command reference for the SIM900 GSM/GPRS module, provided as a 1.53 MB PDF. The manual lists the commands used to control calls, SMS, network registration, GPRS data…

PDF datasheet covering the MT8880C, an integrated DTMF transceiver with a microprocessor bus interface, able both to decode and to generate dual-tone signalling.

A 91 KB PDF datasheet covering the AT89C51, the Atmel 8051-compatible microcontroller with flash program memory that turns up in many older industrial and consumer…

PDF datasheet (337 KB) for the AD7533, a 10-bit multiplying DAC from Analog Devices often used for programmable gain, attenuation and voltage setting in older…

A 237 KB PDF datasheet for the PG12864LRF-NRA-H, one configuration of the 128 by 64 pixel PG12864 graphic LCD module.

A 52.1 KB PDF specification for the PG12232-B graphic LCD module variant. Like other base sheets in this series, it most likely summarises outline, pinout and electrical…

PDF datasheet of 191 KB for the PF12864ARF-ANN-H display module. Its 12864 number usually denotes a 128 by 64 dot graphic LCD, one of the most common sizes in embedded…

PDF specification sheet for display module PG240160ERF-CNNHA1, 263 KB in size. The PG prefix with 240160 points to a 240 x 160 dot graphic LCD, and the long suffix…

Specification sheet for the PC2004LRU-AEA-B character LCD module, supplied as a 142 KB PDF.

PDF datasheet, about 140 KB, for the PC0802LRS-LHO-H, a small character display coded after the Powertip pattern for an 8 by 2 layout.

Preliminary datasheet for the PM042OX1 display panel, provided as a 483 KB PDF. Being marked preliminary, figures inside may have changed in the final release, so treat…

Datasheet in PDF format for the SM3509 part, 48.5 KB. The file name gives only the bare part number, so the maker and function must be confirmed from the content.

PDF datasheet named SM5K3-5, roughly 234 KB, which appears to cover a range of related SM5K parts from 3 to 5, though the name alone does not confirm the exact scope.

PDF datasheet, 206 KB, for the SG3525A regulating PWM controller, revision 2F of the document according to the name.

PDF datasheet of 692 KB named only SDLS191, a literature code that tells nothing about the exact component inside.

Small 177 KB PDF datasheet labelled SDLS147, with no device name in the title. The code matches the Texas Instruments literature series for standard logic integrated…

Datasheet from Alpha and Omega Semiconductor for the AOE6936, a power device of the kind used in DC to DC converters on notebook and desktop boards.

Generic PDF datasheet of 326 KB whose name says nothing about the component, manufacturer or part number, so you must open it to find out what it covers.

Datasheet for the Intersil ISL95836HRTZ, supplied as a 962 KB PDF. The ISL95836 is a multiphase voltage regulator controller used for CPU and GPU core power in…

Datasheet for the BTA16-600BW, a 16 A, 600 V triac in the insulated-tab BTA family, the B and W indicating its gate sensitivity and snubberless rating class.

Datasheet for the Microchip ENC28J60, a stand-alone 10Base-T Ethernet controller with an SPI interface, as a 480 KB PDF.

Microchip datasheet for the PIC16C745 and PIC16C765, PIC16 microcontrollers with an integrated low-speed USB interface, supplied as a 4.83 MB PDF.

A general PIC reference document in PDF form, 869 KB in size. The name gives only a generic book title and no specific device, author or edition, so its exact contents…

Datasheet for the tiny22, a name pointing to the Atmel AVR ATtiny22 microcontroller, provided as a 933-935 KB class PDF of 935 KB.

Combined datasheet for the Atmel ATmega48, ATmega88 and ATmega168 AVR microcontrollers, which share one pin-compatible family and differ mainly in flash, EEPROM and SRAM…

Datasheet covering the Atmel ATxmega D3 series, 64-pin parts in the cost-reduced AVR XMEGA D family.

Datasheet for the ULN2004, a seven-channel Darlington transistor array with built-in clamp diodes, part of the ULN200x family used to drive relays, solenoids, lamps and…

Datasheet for the LM45, an analog Celsius temperature sensor whose output voltage rises linearly with temperature, at about 10 mV per degree.

Datasheet for the 79XX family of fixed negative three-terminal linear regulators, a 167 KB PDF.

Datasheet for the Atmel AT89S8252, an 8051-family microcontroller with 8 KB of downloadable flash, 2 KB of EEPROM and an SPI interface used for in-system programming.

Atmel datasheet for the AT89C55WD, an 8051-compatible microcontroller with 20 KB of flash, 256 bytes of RAM, three timers and a watchdog timer, as reflected by the WD…

Datasheet in PDF (236 KB) for the TL081, a single JFET-input operational amplifier widely found in audio gear, filters, power supply control loops and instrumentation.

PG12864LRF-YRA-H graphic display module datasheet, provided as a 249 KB PDF. The base number indicates a 128 by 64 dot matrix, and the LRF and YRA-H codes define the…