| If the data sheet you're looking for is not here, you'll have to do a bit of searching using keywords such as the manufacturer's name and any relevant ID number you can find on the part. The information provided here is provided as convenience, but please note that the manufacturer's website should be consulted to ensure that information is up-to-date and accurate. |
Microchip PICs | |
| PIC16F87XA Datasheet (authoritative source) | Microchip |
| PIC16F87XA Datasheet | 16F87XA.pdf (4370K) |
| PIC Midrange Microcontroller Manual (old) | PICMidrangeMicro.pdf (2711K) |
| PIC Midrange Microcontroller Manual (index page only) (authoritative source) | Microchip |
| PIC16F877A Device Errata | 16F877A_errata.pdf (159K) |
| PIC16F87X to PIC16F87XA Migration | 16F87XtoA_migration.pdf (54K) |
Atmel AVR | |
| Atmega644 Datasheet | Atmega644.pdf (4724K) |
| Atmega32 Datasheet (Authoritative Source) | Atmel |
| Atmega32 Datasheet | Atmega32.pdf (3200K) |
| Atmega32 Summary (Authoritative Source) | Atmel |
| Atmega32 Summary | Atmega32_summary.pdf (255K) |
Microchip PICs - Deprecated (Used in Older Designs) | |
| PIC16F87x micro-controller | PIC16F87x.pdf (3827K) |
| PIC16F87x micro-controller (authoritative source) | Microchip |
| PIC12C67x micro-controller | PIC12C67x.pdf (1919K) |
| PIC12C67x micro-controller (authoritative source) | Microchip |
Other Commonly-Used Integrated Circuits | |
| L293D Motor-Driver Chip (Texas Instruments) | L293D_ti.pdf (92K) |
| L293D Motor-Driver Chip (SGS-Thomson) | L293D_st.pdf (72K) |
| ICL7662 Inverter Chip | ICL7662.pdf (88K) |
| ICL7660/2 Application Notes | ICL7660-2.pdf (110K) |
| NCP7662 Inductorless Voltage Converter | NCP7662.pdf (152K) |
| 74HC595 8-bit Shift Register (Fairchild) | 74HC595_fairchild.pdf (93K) |
| 74HC595 8-bit Shift Register (Texas Instruments) | 74HC595_ti.pdf (143K) |
| MAX232 RS-232 Serial Chip | MAX232.pdf (442K) |
| 78xx voltage regulators | 78xx.pdf (155K) |
| TC4421 MOS-FET driver 2A/9Apk | TC4421.pdf (72K) |
ADCs and DACs | |
| LTC1448 dual 12-bit DAC | LTC1448.pdf (241K) |
| ADS8320 16-bit SPI ADC | ADS8320.pdf (105K) |
| TLC2543 11-channel 12-bit SPI ADC | TLC2543.pdf (412K) |
Op-Amps and Rectifiers | |
| MC33171/MC33172/MC33174 Op Amp | MC33171-D.pdf (163K) |
| LM324 Quad OpAmp | LM324.pdf (453K) |
| TL072/4 Dual/Quad OpAmp | TL072-4.pdf (281K) |
| 1N400x Axial Lead Standard Recovery Rectifier (ON Semiconductor) | TL072-4.pdf (281K) |
Transistors and Diodes | |
| 2N2219A Si NPN transistor | 2N2219A.pdf (80K) |
| 2N2905A Si PNP transistor | 2N2905A.pdf (69K) |
| TIP12x Si power transistors (ST Microchips) | TIP12x_st.pdf (53K) |
| TIP140 Si NPN power transistor | TIP140.pdf (70K) |
| TIP145 Si PNP power transistor | TIP145.pdf (69K) |
| 2N4401 NPN general-purpose amplifier (Fairchild) | 2N4401_fairchild.pdf (732K) |
| 2N4401 NPN switching transistor (Philips) | 2N4401_philips.pdf (52K) |
| 2N4403 PNP general-purpose amplifier (Fairchild) | 2N4403_fairchild.pdf (721K) |
| 2N4403 PNP switching transistor (Philips) | 2N4403_philips.pdf (52K) |
| 1N4148/1N4448 high-speed diode (Philips) | 1N4148_3.pdf (57K) |
DC Motors | |
| DCM-110 | DCM-110.pdf (31K) |
| DCM-139 | DCM-139.pdf (828K) |
| DCM-97 | DCM-97.pdf (23K) |
LCD Screens | |
| DMC-50218 (Amtex) | LCD_DMC-50218_amtex.pdf (156K) |
| DMC-50218 (Optrex) | LCD_DMC-50218.pdf (166K) |
| Dot Matrix Character (DMC) LCD Manual (Optrex) | LCD_DMCmanual.pdf (201K) |
Infra Red Information | |
| IS1U60 IR Receiver (Sharp) | IS1U60.pdf (46K) |
| IR Emitter (Pink Colored QED523) | QED522.pdf (383K) |
| IR Emitter (Purple Colored LD271) | ld271.pdf (105K) |
| PNA460xM IR Receiver (Panasonic) | PNA460xM.pdf (49K) |
| PNA461xM IR Receiver (Panasonic) | PNA461xM.pdf (85K) |
| AIRRS (Analog Infra-Red Ranging System) User Manual Revison 1.1 | AIRRS_1_1.pdf (131K) |
| AIRRS (Analog Infra-Red Ranging System) User Manual Revison 1.1 (authoritative source) | HVWTech |
| DIRRS (Digital Infra-Red Ranging System) User Manual Revison 1.4 | DIRRS_1_4.pdf (64K) |
| DIRRS (Digital Infra-Red Ranging System) User Manual Revison 1.4 (authoritative source) | HVWTech |
| IrDA-Control PEK | IrDA-Control_PEK.pdf (75K) |
| IrDA Control Host Controller | IrDA_Control_Host.pdf (219K) |
Miscellaneous Documents | |
| Airpax Stepper Motor Catalog | AirpaxCatalog.pdf (1504K) |
| Introduction to the Phase-Lock Loop | PLLIntro.pdf (91K) |
| Dallas DAL1050 5-bit PWM 2-wire serial | DAL1050.pdf (54K) |
| 1-wire Rain Gauge | RainGauge.pdf (385K) |