Microchip datasheet for the PIC12C67x series, small 8-pin EPROM/OTP microcontrollers with analog-to-digital conversion, in a 1.90 MB PDF.

Small 113 KB PDF for the Arduino Ethernet Shield, most likely the board schematic or a brief reference sheet rather than a lengthy datasheet.

Datasheet for the Atmel ATxmega A1 series, the 100-pin members of the AVR XMEGA family.

Datasheet in PDF form for the ICL8069, a low-voltage bandgap voltage reference diode of about 1.2 V, historically made by Intersil.

Datasheet in PDF format numbered 6262, about 1.05 MB, with no part number or brand stated in the file name.

Datasheet for the LM741, the classic general-purpose operational amplifier found in countless analog circuits, supplied as a 148 KB PDF.

Datasheet for the LM7805, a fixed 5 V positive three-terminal linear regulator from the widely used 78xx family, provided as a 161 KB PDF.

Preliminary datasheet for the Atmel AT91SAM7S series of ARM7TDMI-based flash microcontrollers, a 10.5 MB PDF.

Datasheet for the Atmel AT89S52, one of the most popular 8051-compatible microcontrollers, with 8 KB of ISP flash, 256 bytes of RAM and three 16-bit timers.

PDF datasheet for the Atmel AT89S51, an 8051-compatible microcontroller with 4 KB of in-system programmable flash and 128 bytes of RAM.

Datasheet for the Atmel AT89C1051U, a 20-pin 8051-compatible microcontroller with 1 KB of flash; the U version adds a UART and second timer compared with the basic…

Datasheet covering the 2N3055, the classic NPN power transistor in a TO-3 metal case, provided as a 171 KB PDF.

IRF640 MOSFET datasheet in PDF format, about 112 KB in size. It should provide electrical ratings, on-resistance, gate threshold, thermal resistance and package drawings…

Datasheet PDF, 74.7 KB, for the PG12864-N, a 128 by 64 dot graphic display module identified by the N variant letter.

Datasheet in PDF for the PG12856FRM-ANN-F-Y2 display module, a graphic LCD part whose suffix letters normally encode options such as backlight, viewing mode and…

PDF datasheet, 165 KB, for the PG12232LRU-CNN-B graphic LCD module. The letters after the base number usually mark build options like backlight type, polarizer mode and…

PDF datasheet, 1.86 MB, for the UG-2828GFEAF01 display module, with SAS1-D001-A in the name likely being a document control number and revision A.

PDF spec sheet for the PG9732LRS-CE3-H graphic LCD module, 162 KB. The base number points to a 97 by 32 dot matrix panel, and LRS-CE3-H selects a specific combination of…

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.

PC1002ARS-AHH-A is documented in this 222 KB PDF, a datasheet for a character display coded in the Powertip manner as a 10-character by 2-line module.

A 158 KB PDF datasheet titled SFTC-TTL, apparently relating to a TTL interface item in the same SF-prefixed product family as several display kits and cables; the name…

PDF datasheet for the SFD104SL5 part, with the INVT suffix in the name most likely marking the inverter-related document of a display module series.

PDF datasheet, 109 KB, for the SFAV50 part in XS form. Beyond that code the name offers nothing about brand, device or revision, so look to the document header for…

Compact 164 KB PDF datasheet covering the PH320240A graphic LCD module, whose part number points to a 320 x 240 pixel resolution.

Datasheet in PDF form for the STK672-080, a member of the STK672 family of hybrid stepper motor driver modules originally from Sanyo.

Datasheet for the 245 octal bus transceiver in the SN54 series, the military temperature range counterpart of the common 74 series part, as a 150 KB PDF.

Datasheet for the SN74164N, an 8-bit serial-in, parallel-out shift register in the 74-series TTL logic family, with the N suffix denoting the plastic DIP package.

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

Datasheet in PDF form, 1.32 MB, carrying a Texas Instruments literature number: SLVS631 at document revision C.

A datasheet PDF of 261 KB whose file name is only a random character string, so neither the manufacturer nor the part number can be determined from it.

Vishay datasheet for the Si7121ADN, a P-channel MOSFET in the PowerPAK 1212-8 package, provided as a 634 KB PDF.

Datasheet for the Texas Instruments TPS51225, a 1.48 MB PDF. This part is a dual synchronous step-down controller with a 5 V LDO, widely used on notebook boards to…

A 1.78 MB PDF datasheet for the tiny2313, consistent with the Atmel AVR ATtiny2313 microcontroller.

Datasheet for the LM556, a dual timer that packs two 555-type timers into one package, as a 158 KB PDF.

Analog Devices datasheet for the AD7845, a 12-bit multiplying digital-to-analogue converter with an on-chip output amplifier, supplied as a 255 KB PDF.

Datasheet for the AD7523 from Analog Devices, an 8-bit multiplying DAC with current outputs, provided as a 178 KB PDF.

Component datasheet covering the IRFP240 MOSFET, supplied as a 104 KB PDF readable in any PDF viewer.

Manufacturer datasheet for the BD139 transistor, with the name indicating the ST (STMicroelectronics) version, supplied as a 152 KB PDF.

Specification sheet for the PG24064LRU-AYA-H graphic display, a 240 x 64 dot module from Powertip, provided as a 178 KB PDF.

Here is the O variant of the PG12864 graphic LCD family, documented in a 59.7 KB PDF. The base number indicates a 128 by 64 pixel matrix.