SMD-lokerot

SMD-Lokerot

Komponentti Paikka Määrä Tyyppi Pakkaus Kuvaus Kommentti Component Place Amount Type Package Descripton Comment 7400 @10.1.1 17 SMD mikropiiri 74 SO-14 74HC00D 7400 @10.1.1 44 SMD mikropiiri 74 SO-14 HC00 7400 @10.1.1 37 SMD mikropiiri 74 SO-14 HC00A 7402 @10.1.1 19 SMD mikropiiri 74 SO-14 74HC02D 7402 @10.1.1 73 SMD mikropiiri 74 SO-14 PC74HC02T 7404 @10.1.1 150 SMD mikropiiri 74 SO-14 74HC04D 7404 @10.1.1 28 SMD mikropiiri 74 SO-14 HCU04 7404 @10.1.1 1 SMD mikropiiri 74 SO-14 HC04 7408 @10.1.2 16 SMD mikropiiri 74 SO-14 74HC08D 7408 @10.1.2 3 SMD mikropiiri 74 SO-14 74S08D 7408 @10.1.2 28 SMD mikropiiri 74 SO-323 SN74LVC1G08 L2> 7410 @10.1.2 75 SMD mikropiiri 74 SOIC-14 74HC10D 7410 @10.1.2 400 SMD mikropiiri 74 SOIC-14 74ELEXKHC10 7414 @10.1.3 77 SMD mikropiiri 74 SOIC-14 MM74HC14M 7414 @10.1.3 7 SMD mikropiiri 74 SOIC-14 74LV14D 7432 @10.1.3 35 SMD mikropiiri 74 SOIC-14 AC32 7432 @10.1.3 16 SMD mikropiiri 74 SOIC-14 MM74HC32M 7432 @10.1.3 9 SMD mikropiiri 74 SOIC-14 74HC32A 7474 @10.1.4 42 SMD mikropiiri 74 SOIC-14 74AC74 7482 @10.1.4 5 SMD mikropiiri 74 SOIC-8 A82C250 7486 @10.1.4 300 SMD mikropiiri 74 SOIC-14 74HC86A 7486 @10.1.4 350 SMD mikropiiri 74 SOIC-14 74HC86D 7486 @10.1.4 50 SMD mikropiiri 74 SOIC-14 74VHC86 74123 @10.2.1 19 SMD mikropiiri 74 SOIC-16 MM74HC123AM 74123 @10.2.1 1 SMD mikropiiri 74 SOIC-16 MM74HC123AM Breakout Board 74125 @10.2.1 38 SMD mikropiiri 74 SOIC-16 ABT125 74125 @10.2.1 27 SMD mikropiiri 74 SOIC-16 HC125A 74125 @10.2.1 25 SMD mikropiiri 74 SOIC-16 HCT125M 74125 @10.2.1 80 SMD mikropiiri 74 SOIC-16 74VHC125 74126 @10.2.1 8 SMD mikropiiri 74 SOIC-16 74AHCT126D 74132 @10.2.2 46 SMD mikropiiri 74 SOIC-16 HC132 74132 @10.2.2 6 SMD mikropiiri 74 SOIC-16 HC132A 74138 @10.2.2 31 SMD mikropiiri 74 SOIC-16 74AC138 74138 @10.2.2 90 SMD mikropiiri 74 SOIC-16 HC138A 74138 @10.2.2 1 SMD mikropiiri 74 SO-16 74HC138A 74138 @10.2.2 5 SMD mikropiiri 74 SOIC-16 MM74HC138M 74163 @10.2.2 4 SMD mikropiiri 74 ???? 74FCT163ATS0 74175 @10.2.2 20 SMD mikropiiri 74 SOIC-16 74HC175D 74241 @10.2.3 350 SMD mikropiiri 74 SOW20 74AC241 74244 @10.2.3 100 SMD mikropiiri 74 SOW20 MM74HC244WM 74244 @10.2.4 28 SMD mikropiiri 74 SOW20 74LV244D 74244 @10.2.4 15 SMD mikropiiri 74 SOW20 74HC244D 74259 @10.2.4 14 SMD mikropiiri 74 SOIC-16 MM74HC259M 74245 @10.3.1 24 SMD mikropiiri 74 SOW20 ABT245B 74245 @10.3.1 36 SMD mikropiiri 74 SOW20 74ACT245 74245 @10.3.1 13 SMD mikropiiri 74 SOW20 AHCT245 74245 @10.3.1 200 SMD mikropiiri 74 SOIC-20 HC245 74245 @10.3.1 90 SMD mikropiiri 74 SOW20 HC245A 74245 @10.3.1 80 SMD mikropiiri 74 SOW20 74HC245D 74373 @10.3.2 10 SMD mikropiiri 74 TSSOP-20 74LCX373 74373 @10.3.2 2 SMD mikropiiri 74 SOW20 74HCT373D 74374 @10.3.2 90 SMD mikropiiri 74 SOW20 MM74HC374WM 74377 @10.3.2 140 SMD mikropiiri 74 SOW20 74HCT377D 74390 @10.3.2 50 SMD mikropiiri 74 SOIC-16 74HC390D 74541 @10.3.3 36 SMD mikropiiri 74 SOW20 ABT541B 74541 @10.3.3 9 SMD mikropiiri 74 SOW20 HC541 74541 @10.3.3 5 SMD mikropiiri 74 SOW20 74HC541D 74541 @10.3.3 1 SMD mikropiiri 74 SOW20 PC74HC541T 74573 @10.3.4 4 SMD mikropiiri 74 SOW20 ABT573 74573 @10.3.4 1 SMD mikropiiri 74 SOW20 HC573A 74573 @10.3.4 60 SMD mikropiiri 74 SOW20 74HC573D 74573 @10.3.4 4 SMD mikropiiri 74 SOW20 74HCT573 74595 @10.3.4 13 SMD mikropiiri 74 SOIC-16 HC595A 74595 @10.3.4 7 SMD mikropiiri 74 SOIC-16 74HC595D 744051 @10.4.1 39 SMD mikropiiri 74 SOIC-16 HC4051 744060 @10.4.1 30 SMD mikropiiri 74 SOIC-16 MM74HC4060M 744066 @10.4.1 6 SMD mikropiiri 74 SOIC-16 74HC4066AG 744066 @10.4.1 140 SMD mikropiiri 74 SOIC-16 74HCT4066D 744067 @10.4.1 16 SMD mikropiiri 74 SOIC-24 HC4067M 4001 @10.4.2 100 SMD mikropiiri 4000 SOIC-14 CD4001BCM Quad 2-input NOR gate 4011 @10.4.2 100 SMD mikropiiri 4000 SOIC-14 CD4011BCM Quad 2-input NAND gate 4011 @10.4.2 18 SMD mikropiiri 4000 SOIC-14 CD4011UBM Quad 2-input NAND gate 4043 @10.4.2 100 SMD mikropiiri 4000 SOIC-16 14043B Quad NOR R-S latch with tri-state outputs 4046 @10.4.2 200 SMD mikropiiri 4000 SOIC-16 HEF4046BT Phase Locked Loop (VCO) 4049 @10.4.2 100 SMD mikropiiri 4000 SOIC-16 CD4049UBCM - 74LS loads 4051 @10.4.2 100 SMD mikropiiri 4000 SOIC-16 CD4051BCM 8-channel analog multiplexer/demultiplexer 4066 @10.4.2 14 SMD mikropiiri 4000 SOIC-16 CD4066BCM 4081 @10.4.3 100 SMD mikropiiri 4000 SOIC-16 CD4081BCM Quad 2-input AND gate 40106 @10.4.3 18 SMD mikropiiri 4000 SOIC-14 HEF40106BT Hex inverting Schmitt trigger 4520 @10.4.3 100 SMD mikropiiri 4500 SOIC-16 HEF4520BT Dual 4-bit binary up counter 4532 @10.4.3 100 SMD mikropiiri 4500 SOIC-16 14532B 8-bit priority encoder 4541 @10.4.3 1 SMD mikropiiri 4500 SOIC-14 HCF4541 4585 @10.4.3 100 SMD mikropiiri 4500 SOIC-16 HEF4585BT 4-bit digital comparator 45050 @10.4.3 8 SMD mikropiiri 4500 SOW20 MC145050DW MC14505 10-Bit A/D Converter with Serial Interface ADP120-AUJZ33R7 @08.1.3 2400 SMD mikropiiri reg. TO-252 3.3V 100mA LDO REG merkintä L9N817 Datasheet HPL1117-33 @08.1.3 5 SMD mikropiiri reg. TO-252 1A/12V, 3.3V LDO Fast Response Regulator Datasheet LM22672M-ADJ @08.1.3 400 SMD mikropiiri reg. 42-V, 1-A Step-Down Voltage Regulator Datasheet LM317 (57RC N01A) @08.1.3 60 SMD mikropiiri reg. SMD SOT223 Adj. 1.2-37V 1A LM78L05ACM @08.1.3 160 SMD mikropiiri reg. SMD LM9036DT-5.0 @08.1.3 56 SMD mikropiiri reg. SMD LMZ31520 @08.1.3 4 SMD mikropiiri reg. B4QFN 20A/20V, 0.6-3.6V DC/DC Converter Power Module Datasheet LP2980AIMS-3.3 @08.1.4 15 SMD mikropiiri reg. SOT-23 L00A IAC Micropower 50-mA/16V, 3.3V Ultra-Low-Dropout Regulator Datasheet LT3748EMS#PBF @08.1.4 22 SMD mikropiiri reg. REG CTRLR FLYBK ISO CM 16MSOP MAX667CSA @08.1.4 5 SMD mikropiiri reg. SO-8 200mA/16V, 5V or Adj. Low-Dropout Voltage Regulator Datasheet MC5201 @08.1.4 21 SMD mikropiiri reg. LDO Reg 520150B814 200mA/5.0V LDO Reg. MC78L05A @08.1.4 20 SMD mikropiiri reg. SO-8 100mA/5V Positive Voltage Regulators Datasheet MC78L12A @08.1.4 70 SMD mikropiiri reg. SO-8 100mA/12V Positive Voltage Regulators Datasheet NCP1117DTA @08.1.4 6 SMD mikropiiri reg. DPAK/369C NCP1117DTARKG 1.0 A Low−Dropout Positive Fixed and Adjustable Voltage Regulator Datasheet LP2980D15-5.0 LDO @08.1.4 1 SMD mikropiiri reg. SOT23-5 L01B IC REG LINEAR LDO 5V 50MA SOT23-5 LTC3425EUH @08.1.4 5 SMD mikropiiri reg. QFN32 UH 5A, 8MHz, 4-Phase Synchronous Step-Up DC/DC Converter TPS54334DCRT @08.1.4 125 SMD mikropiiri reg. VSON 54334 3A/28V Buck Converter Datasheet 93LC46B @08.1.2 19 SMD muisti SO-8 64x16 Serial EEPROM Datasheet 93C66WP @08.1.2 29 SMD muisti 4k-bit serial eeprom Datasheet AT45DB081E @08.1.2 120 SMD muisti SMD 8-pad UDFN 8M-bit 1.65V SPI Serial Flash Memory Datasheet HM62256BLFP-10T @08.1.2 3 SMD muisti SO-28(TH) 32k x 8 CMOS Static RAM Datasheet KM62256CLRG-7L @08.1.2 5 SMD muisti TSOP-28 32Kx8 bit Low Power CMOS Static RAM Datasheet M5M5256BFP @08.1.2 9 SMD muisti SO-28(TH) 32k x 8 CMOS Static RAM Datasheet LH28F008SAT-85 @08.2.4 20 SMD muisti 40-pin TSOP FLASH 1M*8 1489D @10.4.4 7 SMD mikropiiri SO-14 Quad RS232 line receiver Datasheet 301A @10.4.4 800 SMD mikropiiri Single operational amplifier Datasheet ACS722LLCTR-20AB-T @10.4.4 4 SMD mikropiiri SOIC-8 +-20A 66mV/A Isolated Current Sensor Datasheet AD724 @10.4.4 1 SMD mikropiiri SO-16(TH) RGB to NTSC/PAL Encoder Datasheet ADM2483BRWZ @08.3.3 700 SMD mikropiiri SO-16W RS-485 transceiver with electrical data isolation Datasheet ADS1015 @10.4.4 23 SMD mikropiiri QFN10 ADS10151RUGR 12-Bit Sigma-Delta A/D Converter Datasheet AT90-0263 @10.5.1 3 SMD mikropiiri 32-pin FQFP-N Digital Attenuator Datasheet AT90S2313-10SI @10.5.1 2 SMD mikropiiri SMD SOIC-20 8-bit AVR MCU with 2k Flash Datasheet ATMEGA8-16AU @10.5.1 4 SMD mikropiiri SMD ATTINY15L-1SI @10.5.1 24 SMD mikropiiri SO-8 8-bit Microcontroller with 1K Byte Flash Datasheet C8051F411 @10.5.1 54 SMD mikropiiri QFN-28 8051 compatible MCU Datasheet CY2260SC-2 @10.5.1 34 SMD mikropiiri SOIC-28 Clock Synthesizer/Driver for Pentium Processors Datasheet DG409DY @10.5.1 13 SMD mikropiiri SOIC-16 Single 8-Channel/Differential 4-Channel,CMOS Analog Multiplexers Datasheet DG455EQ @10.5.1 100 SMD mikropiiri 16TSSOP DG455EQ-T1-E3 IC Switch Quad SPST Datasheet DS1259S @10.5.2 33 SMD mikropiiri SMD Battery Manager DS14196WM @10.5.2 9 SMD mikropiiri SO-20(TH) EIA/TIA-232 5- Driver x 3- Receiver Datasheet DS1488M @10.5.2 20 SMD mikropiiri SO-14 Quad RS232 Line Driver Datasheet DS1489AM @10.5.2 19 SMD mikropiiri SO-14 Quad RS-232 Line Receivers Datasheet DS1489M @10.5.2 8 SMD mikropiiri SO-14 Quad RS232 Line Receiver Datasheet FST3257MX @10.5.2 20 SMD mikropiiri SMD Multiplexer/Demultiplexer Bus Switch FT232BL @10.5.3 45 SMD mikropiiri SMD FT232BL 648-1 HIN238CB @10.5.3 8 SMD mikropiiri SO-24(TH) +5V Powered RS-232 Transmitters/Receivers Datasheet ICL7660CSA @10.5.3 8 SMD mikropiiri SO-8 Switched-Capacitor Voltage Converter Datasheet INA333 @10.5.3 13 SMD mikropiiri MSOP-8 Rail-to-rail Instrumentation Amplifier +-2.75V/5.5V 150kHz Datasheet L6201 @10.5.3 16 SMD mikropiiri SMD Datasheet LM324M @10.5.3 17 SMD mikropiiri SO-14 LM324M Quad OPA Datasheet LM75 @10.5.4 135 SMD mikropiiri SMD LM75 BIM-3 LMC6482AIM @10.5.4 350 SMD mikropiiri SO-8 CMOS Dual Rail-To-Rail Input and Output OPA Datasheet LMC7215IM @10.5.4 13 SMD mikropiiri SOT-23-5 Micro-Power, Rail-to-Rail CMOS Comparator with Open-Drain/Push-Pull Outputs Datasheet MAX1232CSA @10.5.4 38 SMD mikropiiri MAX13035E @10.5.4 25 SMD mikropiiri TQFN-16 6-Channel Logic-Level Translator Datasheet MAX16025TE @10.5.4 21 SMD mikropiiri TQFN-16 IC-Supervisor 2.2-28V Datasheet MAX232CWE @10.6.1 19 SMD mikropiiri SO-16(TH) +5V-Powered, Multichannel RS-232 Receivers/Transmitters Datasheet MAX232E @10.6.1 12 SMD mikropiiri SO-16 +5V-Powered, Multichannel RS-232 Receivers/Transmitters Datasheet MAX3221CAE @10.6.1 23 SMD mikropiiri SMD MAX333A @10.6.1 4 SMD mikropiiri SMD MAX7318AWG @10.6.1 1 SMD mikropiiri SMD MAX807LCWE @10.6.1 1 SMD mikropiiri MC68030FE20B @10.6.2 13 SMD mikropiiri SMD MC68302CFC20C @10.6.2 8 SMD mikropiiri SMD MC68HC68T1 @10.6.2 7 SMD mikropiiri SOG-16/751G-01 CMOS Real-Time Clock plus RAM with Serial Interface Datasheet NC7WZ07PCX @10.6.2 100 SMD mikropiiri SC-88 Z071 Dual Buffer 5.5V with open-drain outputs Datasheet NE555 @10.6.2 69 SMD mikropiiri SO-8 Timer Datasheet NE555DT @10.6.2 5 SMD mikropiiri SMD NE555DT OP177GS @10.6.3 4 SMD mikropiiri SMD OPA2134UA @10.6.3 2 SMD mikropiiri SMD PCF8584T @10.6.3 24 SMD mikropiiri SO20 I2C bus controller Datasheet S A8 @10.6.3 25 SMD mikropiiri SMD SM15T18CA @08.4.1 1800 SMD diodi SMD 18V TVS Diodi merkintä G BEE GP619 Datasheet SN75174 @10.6.3 8 SMD mikropiiri SO-20(TH) Quad EIA–485 Line Receivers With Three–State Outputs Datasheet SN75175 @10.6.3 8 SMD mikropiiri SO-16 QUAD EIA–485 LINE RECEIVERS Datasheet SP232AET @10.6.4 7 SMD mikropiiri SMD 16-Pin WSOIC Enhanced RS-232 Line Drivers/Receivers Datasheet SSM2018T @10.6.4 2 SMD mikropiiri SO-16(TH) Trimless Voltage Controlled Amplifier Datasheet STM32F103CBT6A @10.6.4 7 SMD mikropiiri SMD 48-Pin LQFP TDA7309D @10.6.4 1 SMD mikropiiri SMD 20-Pin Digital Controlled Stereo Audio Processor with Loudness Datasheet TL074AC @10.6.4 50 SMD mikropiiri SMD TLC274C @10.6.4 8 SMD mikropiiri SO-14 Quad Precision OPA Datasheet TLE6250G @08.1.1 130 SMD mikropiiri SMD TPS2378 @08.1.1 45 SMD mikropiiri HSOP-8 IEEE 802.3at PoE High-Power PD Interface Datasheet TPS2379 @08.1.1 95 SMD mikropiiri HSOP-8 TPS2379DDAR PoE High-Power PD Interface Datasheet TXS0102 @08.1.1 13 SMD mikropiiri SSOP-8 2-Bit Bidirectional Voltage Level Translator Datasheet UCD90120A @08.1.1 27 SMD mikropiiri VQFN(64) UCD90120ARGCR 12-Rail Power Supply Sequencer and Monitor Datasheet ULN2004A @08.1.1 25 SMD mikropiiri SOIC-16 TTL/5V input Darlington Array Datasheet 32.768kHz @08.2.1 3 SMD kide 32K610B 32K614B 32.768kHz @08.2.1 10 SMD kide MS1V-T1K-12.5pF Datasheet 32.768kHz @08.2.1 13 SMD kide 32KB650 H12.000 MHz @08.2.1 130 SMD kide H12.000 /S 25.0000 MHz @08.2.1 16 SMD kide Kideoskillaattori E 25.0000C SCE B032C 25.000 MHz @08.2.1 18 SMD kide HXO-36B 25.000 TODO: Check frequency: MS3V-T1R @08.2.1 70 SMD kide Custom 32.768 kHz Crystal Datasheet H2019NL @08.2.2 3 SMD muuntaja Pulse PoE Magnetics Datasheet 749119350 @08.2.2 20 SMD muuntaja PoE Power over Ethernet Transformer Datasheet Toroidi @08.2.2 2 SMD kela Power Toroid P0402NL 108.0 uH 15 uH @08.2.2 4 SMD kela 15uH Unshld 5% 0.17A 9.6Ohm 1812CS-153XJLB 68 nH @08.2.2 7 SMD kela 68nH SCA2100-D01 @08.2.2 1 SMD anturi VTI SCA2120-B06 @08.2.2 1 SMD anturi VTI SCA2120-D08 @08.2.2 1 SMD anturi VTI SCA3100-D04 @08.2.2 1 SMD anturi VTI DC-LE11120 @08.2.3 300 SMD led 1210/3528 RGB LED DC-LE11120 RGB LED @08.2.3 90 SMD led LED @08.2.3 40 SMD led LTST-C191KGKT @08.2.3 6 SMD led 1608/0603 Green LED Datasheet SML-310MT @08.2.3 70 SMD led 0603/1608 AVAGO LD000073 SML-310ML Green LED Datasheet ASMB-MTB1-0A3A2 @08.2.3 66 SMD led PLCC-4/MSL-3 RGB Led Datasheet HCPL-070A-500E @08.3.1 1000 SMD opto SMD Opto coupler, merkintä 070A 1450 ZSA Datasheet IL300-F @08.2.4 50 SMD opto SMD Analog/linear opto coupler [1] Datasheet SFH6156-3V @08.2.4 35 SMD opto SMD-4 Optocoupler with phototransistor output Datasheet SOIC-8 Programming adapter @09.1.1 1 SMD muut LEWMAX Programming LTD SOIC Socket Module 8-pin Breakout smd adapters @09.1.1 X SMD muut SMD Sovittimia Piikkirima 2-rivinen @08.3.2 X SMD kannat ja liittimet 2 x 2.54mm SMD liitinrimaa Painokytkimiä @08.2.4 75 SMD kytkimet Painokytkimiä @08.2.4 35 SMD kytkimet Sulakerasia 5x20mm kannella @08.3.2 10 SMD sulake Sulakerasia 5x20mm @08.3.2 10 SMD sulake BC847BPN @08.4.2 3000 SMD transistori SOT363 Double NPN 100mA/45V 300mW/package merkintä 13t BC857BS @08.4.2 3000 SMD transistori SOT363 Double Double PNP 100mA/45V 300mW/package merkintä 3Ft BCP56-16 @08.4.2 1000 SMD transistori SOT223 1A/80V NPN MEDIUM POWER TRANSISTOR LCEPBCP56 merkintä PH02/16 BCP56 FMMT458TA @08.4.2 1000 SMD transistori SOT23 225mA/400V NPN FMMT458TA merkintä 458 FMMT625TA @08.4.2 2000 SMD transistori SOT23 1A/150V 625mW NPN ZETEX FMMT625TA merkintä 625 IRLML6344TRPBF @08.4.3 400 SMD transistori SOT23 5A/30V N-Channel MOSFET IRLML6344TRPBF PVAI1790 ESA merkintä U5QTI NTF3055-100T1G @08.4.3 400 SMD transistori SOT223 3A/60V N-Channel Rds=0.11 Ohm merkintä RMK 3055 SI2308DS-T1 @08.4.3 1500 SMD transistori SOT23 2A/60V 0.22 Ohm N-channel MOSFET SI2308DS-T1 merkintä A8VAA Datasheet TP0610T @08.4.3 1800 SMD transistori SOT23 0.18A/60V P-channel MOSFET TP0610T merkintä T50U ZVP3306FTA @08.4.3 1800 SMD transistori SOT23 90mA/60V 250mW P-Channel MOSFET ZVP3306FTA merkintä ML FDMC2674 @08.4.3 100 SMD Diode MLP 3.3x3.3 1A/220V 0.336 Ohm N-Channel UltraFET Trench MOSFET merkintä FDMC 2674 Datasheet LM4040DIM3-4.1 @08.3.4 3000 SMD mikropiiri SHUNT VOLTAGE REFERENCE 4.1V 1% merkintä R4D Datasheet SCI7701YEA @08.3.4 1800 SMD mikropiiri SOT23 CMOS VOLTAGE DETECTOR 2.5V merkintä 9 CE Datasheet AB1815-T3 @08.3.4 500 SMD mikropiiri QFN16 RTC CLK/CALENDAR SPI merkintä AMBIQ 1815B C1425 BAS16LT1G @08.3.4 2000 SMD Diode SOT23 0.2A/75V 200mW Switching Diode merkintä A6 Datasheet TPS3813K33 @08.3.4 2500 SMD mikropiiri SOT-236 Supervisor With Window-Watchdog merkintä PFAI Datasheet SK36 @08.3.1 350 SMD Diode SMA 3A/60V Schottky Barrier Diode merkintä SK36 Datasheet SMD1200PL @08.4.4 90 SMD diodi SOT223 1A/200V Schottky Barrier Rectifier merkintä D20 Datasheet BSS123 @08.4.4 400 SMD transistori SOT223 0.17A/100V N-Channel MOSFET BSS123-7-F merkintä K23 Datasheet STPS4S200S @08.4.4 100 SMD diodi SMC 4A/200V Power Schottky rectifier merkintä GS42 GP823 Datasheet DI106S @08.4.4 150 SMD diodi SDIP 1A/600V Bridge Rectifier merkintä DI106S Datasheet PESD5V0L4UW @08.4.4 X SMD diodi SOT665 5V unidirectional ESD protection diode arrays Datasheet