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C128 Neo rev 3 BOM
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Also valid for https://github.com/jgrip/open128
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Any component with no source will need to be salvaged from an existing board or otherwise located
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Please note that no guarantee of accuracy is given for the BOM. Please verify the components are correct before ordering.
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ReferenceQuantityValueDescriptionManufacturerModelMouserDigikeyPolyplayOthersAlternative1Alternative2Remark
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Capacitors
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(Electrolytic)
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C101110 µFElectrolytic 10 µF 35VNichiconUVR1H100MDD1TD647-UVR1H100MDD1TD493-5915-1-ND
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C1041220 µFElectrolytic 220 µF 50VNichiconUVZ1H221MPD1TD647-UVZ1H221MPD1TD493-13467-1-ND
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C1051330 µFElectrolytic 330 µF 50VNichiconUVZ1H331MPD1TD647-UVZ1H331MPD1TD493-13470-1-ND
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C10611000 µFElectrolytic 1000 µF 25V AxialVishay / BCMAL202116102E3594-2222-021-161024040PHBK-ND
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C1071100 µFElectrolytic 100 µF 16VNichiconUVR1J101MPD647-UVR1J101MPD493-1124-ND
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C8012.2 µFElectrolytic 2.2 µF 25VNichiconUMA1V2R2MCD2647-UMA1V2R2MCD2493-17654-ND
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C9111 µFElectrolytic 1 µF 50VNichiconUSA1H010MDD1TE647-USA1H010MDD1TE493-14556-1-ND
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C631100 µFElectrolytic 100 µF 6.3VPanasonicECE-A0JKS101667-ECE-A0JKS101P958-NDMust be shorter than 10mm mounted to fit inside the RF cage (if fitted)
Silk screen on board shows 10µF
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C61 C62 C69 C85 C88 C92 C111710 µFElectrolytic 10 µF 16VPanasonicECE-A1CKS100B667-ECE-A1CKS100BP19473CT-NDMust be shorter than 10mm mounted to fit inside the RF cage (if fitted)
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(Ceramic)
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C108 C10921800 pFCeramic 1800 pF 25VAVXSA101C182KAR581-SA101C182KAR
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C2 C64 C65 C66 C67 C74 C77 C103
C110 C113 C114 C117 C118 C119 C120 C121
C122 C123 C200 C201		200.01 µFCeramic 0.01 µF 25VAVXSA105E103MAA581-SA105E103M
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C1 C3 C4 C5 C7 C8 C9 C10
C11 C12 C13 C14 C15 C16 C17 C18
C19 C22 C24 C26 C27 C29 C30 C31
C32 C33 C34 C35 C36 C37 C54 C55
C56 C57 C58 C60 C68 C70 C71 C76
C86 C93 C96 C97 C98 C99 C100 C102
C115 C116 C124		510.1 µFCeramic 0.1 µF 25VAVXSA105E104MAR581-SA105E104MAR
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C6 C21 C23 C25 C28 C38 C39 C40
C41 C42 C43 C44 C45 C46 C47 C48
C49 C50 C51 C52 C53 C87 C94		230.22 µFCeramic 0.22 µF 25VAVXSA115E224MAR581-SA115E224MAR
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C9510.22 µFCeramic 0.22 µF 100VKemet
C440C224M1U5TA7200
80-C440C224M1U5TATU
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C72 C73 C75 C82 C83 C90 C1127470 pFCeramic 470 pF 50VAVXSA101A471JAR581-SA101A471JARC90 is marked as 360 pF in schematic and on the board. Install 470 pF
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C78 C79 C8131000 pFCeramic 1000 pF 50VAVXSA101C102KAN581-SA101C102KAN
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C841220 pFCeramic 220 pF 50VAVXSA102C221KAA581-SA102C221KAA
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C89151 pFCeramic 51 pF 50VAVXSA102A510JAA
581-SA102A510JAA
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(Trim)
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C20140 pFTrim 4-40pFEW ElectronicsGKG50015399-4525-1-ND (10-50pf)SG9035-ND (10-50pf)Should be 4-40pf but 10-50pf may work.
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EMI components
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EMI1 EMI2 EMI9 EMI10 EMI11547 pF47 pF EMI filterBournsEMI470T-RC652-EMI470T-RCM9938CT-ND
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EMI3 EMI4 EMI5 EMI6 EMI12 EMI13 EMI14 EMI15
EMI16 EMI17 EMI18 EMI19 EMI20 EMI21 EMI22 EMI23
EMI24 EMI25 EMI26 EMI27 EMI28 EMI29 EMI30 EMI31
EMI32 EMI33 EMI34 EMI35 EMI37 EMI38 EMI40 EMI41
EMI42 EMI69		34100 pF100 pF EMI filterMurataDSS1NB32A101Q91A81-DSS1NB32A101Q91A490-9787-1-ND
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EMI391270 pF270 pF EMI filterMurataDSS1NB32A271Q91A81-DSS1NB32A271Q91A490-9791-1-ND
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FB1 FB2 FB3 FB4 FB5 FB6 FB7 FB8
FB9 FB10 FB11 FB12 FB13 FB14 FB15 FB18
FB19 FB20 FB44 FB45 FB46 FB47 FB48 FB49
FB50		25Ferrite beads, smallMurataBL02RN2R1M2B81-BL02RN2R1M2BEoL from Murata, not found a replacement yet
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Resistors
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R3 R11 R12 R47 R100 51k1kKOA SpeerMF1/4LCT52R102J660-MF1/4LCT52R102J
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R1 R29 R30 R40 R102 56868KOA SpeerMF1/4DCT52R68R0F660-MF1/4DCT52R68R0F
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R13 R14 R193330330KOA SpeerMF1/4DCT52R3300F660-MF1/4DCT52R3300FC= specified 1W, been running 1/4W without issues
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R2 R4 R15 R26 R355100100KOA SpeerMF1/4DCT52A1000F660-MF1/4DCT52A1000F
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R1714747KOA SpeerMF1/4DCT52R47R0F660-MF1/4DCT52R47R0F
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R1818282KOA SpeerMF1/4DCT52R82R0F660-MF1/4DCT52R82R0F
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R9 R20 R28 R33 R34 R36 R38 R48810k10kKOA SpeerMF1/4LCT52R103J660-MF1/4LCT52R103J
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R211470k470kKOA SpeerMF1/4LCT52R474J660-MF1/4LCT52R474J
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R23 R25 R31 3100k100kKOA SpeerMF1/4LCT52R104J660-MF1/4LCT52R104J
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R6 R22 R24 347k47kKOA SpeerMF1/4LCT52R473J660-MF1/4LCT52R473J
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R2714.7k4.7kKOA SpeerMF1/4LCT52R472J660-MF1/4LCT52R472J
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R16 R39 2120120KOA SpeerMF1/4DCT52R1200F660-MF1/4DCT52R1200F
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R411680680KOA SpeerMF1/4LCT52R681J660-MF1/4LCT52R681J
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R32 R42 2180180KOA SpeerMF1/4DCT52R1800F660-MF1/4DCT52R1800F
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R4511.2k1.2kKOA SpeerMF1/4LCT52R122J660-MF1/4LCT52R122J
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R8 R10 R43 R44 R46 53.3k3.3kKOA SpeerMF1/4LCT52R332J660-MF1/4LCT52R332J
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R51470470KOA SpeerMF1/4DCT52R4700F660-MF1/4DCT52R4700F
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R71560560KOA SpeerMF1/4DCT52R5600F660-MF1/4DCT52R5600F
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Resistor packs
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RP111kResistorpack 1k, 8-pin SIP, busBourns4608X-101-102LF652-4608X-1LF-1K4608X-1-102LF-ND
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RP2 RP621kResistorpack 1k, 9-pin SIP, busBourns4609X-101-102LF652-4609X-1LF-1K4609X-101-102LF-ND
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RP3 RP4233Resistorpack 33, 8-pin SIP, isolatedBourns4608X-102-330LF652-4608X-2LF-334608X-2-330LF-ND
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RP513.3kResistorpack 3.3k, 8-pin SIP, busBourns4608X-101-332LF652-4608X-1LF-3.3K4608X-1-332LF-ND
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RP8 RP723.3kResistorpack 3.3k, 10-pin SIP, busBourns4610X-101-332LF652-4610X-1LF-3.3K4610X-1-332LF-ND
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RP9 RP10210kResistorpack 10k, 10-pin SIP, busBourns4610X-101-103LF652-4610X-1LF-10K4610X-1-103LF-ND
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Integrated Circuits
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U1 U426526A6526A CIAMOS 6525A (TPI)
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U101Z80Z80 CPUZiLOGZ84C0010PEG692-Z84C0010PEG269-3898-NDUsing Z80 from mouser has not been tested but should work
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U11187218721 PLAMOS 8722R1 (MMU)
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U12 U17274LS37374LS373Texas InstrumentsSN74LS373N595-SN74LS373N296-1660-5-ND
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U14 U15 U26374LS25774LS257Texas InstrumentsSN74LS257BN595-SN74LS257BN296-1656-5-ND
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U16174LS1474LS14Texas InstrumentsSN74LS14N595-SN74LS14N296-1643-5-ND
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U1812364C128 Character ROMGo4Retro - ROM-EL
Go4Retro - 2364 Adapter
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U1912016Colour SRAMSRAM 6116
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U2 U20240664066Texas InstrumentsCD74HCT4066E595-CD74HCT4066E296-2122-5-ND
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U21185648654/66 VIC Iie8564 for NTSC, 8566 for PAL. Remember to match crystal Y2
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U22185638563 VDCMOS 8563R9 (VDC)
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U23 U25244164416/64 DRAMDRAM4464Eslapion - SaRuMan-VDC
Eslapion - SaRuMan-64
Use 4464 for 64kB VDC RAM. 4416 will work but only gives 16 kB
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U13 U24 U62374LS24474LS244Texas InstrumentsSN74LS244N595-SN74LS244N296-1653-5-ND
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U271LM556LM556Texas InstrumentsNA556N595-NA556N296-21755-5-ND
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U28187018701 Clock generatorMOS 8701Polyplay - TOLB NTSC
Eslapion - TOLB NTSC/PAL
Use 8701 replacements
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U3174LS13874LS138Texas InstrumentsSN74LS138N595-SN74LS138N296-1639-5-ND
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U31174LS0074LS00Texas InstrumentsSN74LS00N595-SN74LS00N296-1626-ND
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U32123128C128 ROM 1
Go4Retro - ROM-el 23128/23256
Go4Retro - 23128 Adapter
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U33123128C128 ROM 2
Go4Retro - ROM-el 23128/23256
Go4Retro - 23128 Adapter
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U34123128C128 ROM 3
Go4Retro - ROM-el 23128/23256
Go4Retro - 23128 Adapter
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U351318020-03C128 ROM 4
Go4Retro - ROM-el 23128/23256
Go4Retro - 23128 Adapter
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U36123256Not fittedFunction ROM, emtpy socket
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U38 U39 U40 U41 U42 U43 U44 U45
U46 U47 U48 U49 U50 U51 U52 U53		1641644164 DRAMDRAM 4164Eslapion - SaRuMan-128
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U5165816581 SIDMOS 6581R4 (SID)Polyplay - nano SwinSID bMust be 6581. 8580 will not work and will break if installed
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U54174LS3274LS32Texas InstrumentsSN74LS32N595-SN74LS32N296-1658-5-ND
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U55174LS24574LS245Texas InstrumentsSN74LS245N595-SN74LS245N296-1655-5-ND
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U56174LS7474LS74Texas InstrumentsSN74LS74AN595-SN74LS74AN296-1668-5-ND
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U58174LS0374LS03Texas InstrumentsSN74LS03N595-SN74LS03N296-3620-5-ND
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U591L7812L7812STMicroelectronicsL7812CV511-L7812CV497-1452-5-ND
Mouser - 580-OK78SR12/1W36HEC
Can be replaced with modern DCDC module like the alternative
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U6185028502 CPUMOS 8502R0 (CPU)
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U57 U60 2740774LS07NTexas InstrumentsSN74LS07N595-SN74LS07N296-14878-5-ND
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U29 U30 U37 U63 4740674LS06NTexas InstrumentsSN74LS06N595-SN74LS06N296-15069-5-ND
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U7187228722 PLAMOS 8722R2 (MMU)
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U8 U61274LS0874LS08Texas InstrumentsSN74LS08N595-SN74LS08N296-1633-5-ND
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U9174F3274F32Texas InstrumentsSN74F32N595-SN74F32N296-3583-5-ND
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Transistors