[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"item-data-fopypnut-UPD74HC138GS":3,"review-gallery-feed-v2":201},{"id":4,"slug":5,"stock":6,"similar_count":7,"price":8,"wholesale":9,"marketPrice":8,"name":10,"img":11,"spec":14,"descr_other":21,"descr_ai":22,"descr":23,"tag":24,"unit_text":25,"video":24,"sku":26,"repo_sku":27,"lead_free":28,"rosh":28,"datecode":29,"date_code_id":30,"package":31,"category_id":32,"category_name":20,"brand_id":33,"brand":17,"purchase_min_limit":30,"seo":34,"width":8,"length":8,"height":8,"weight":8,"volume":8,"documents":37,"texts_shipping":38,"texts_delivery":42,"texts_handle":48,"texts_tax":52,"texts_return_lable":56,"texts_return_policy":57,"texts_warranty":67,"texts_review":71,"hotItems":93,"buy_on_ebay":166,"currency":167,"currency_symbol":168,"logi_list":169,"logi_html":193,"delivery":194},9426875,"fopypnut-UPD74HC138GS",985,200,0,[],"UPD74HC138GS -  Brand New NEC IC Chips",[12],{"id":8,"thumb":13,"origin":13},"http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F543329.jpg",[15,18],{"label":16,"value":17},"Manufacturer","NEC",{"label":19,"value":20},"Product Category","IC Chips","","\u003Ch2 class='mt-2'>Description\u003C\u002Fh2>\n\u003Cp>The uPD745HC138GS is an LSI floppy disk controller (FDC) chip used for interfacing a processor to 4 floppy disk drives. It is capable of supporting both the IBM 3740 single density format (FM) and the IBM System 34 double density format (MFM), including double-sided recording. The uPD745HC138GS simplifies the design of an external phase-locked loop and write precompensation circuitry, making it easier to implement a floppy disk interface.\u003C\u002Fp>\n\n\u003Ch4 class='mt-2'>Specifications and features\u003C\u002Fh4>\n\u003Cp>The uPD745HC138GS has internal address mark detection circuitry, which eliminates the need for external phase-locked loop and read electronics. It offers user-programmable features such as track stepping rate, head load time, and head unload time. Additionally, the uPD745HC138GS supports multi-track and multi-side read and write commands, as well as single and double density capabilities.\u003C\u002Fp>\n\u003Cp>Other features of the uPD745HC138GS include:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>FM, MFM Control\u003C\u002Fli>\n\u003Cli>Variable recording length: 128, 256, 8192 bytes\u002Fsector\u003C\u002Fli>\n\u003Cli>IBM-compatible format (single- and double-sided, single- and double-density)\u003C\u002Fli>\n\u003Cli>Multi-sector and multi-track transfer capability\u003C\u002Fli>\n\u003Cli>Support for up to 4 floppy or micro floppy disk drives\u003C\u002Fli>\n\u003Cli>Data scan capability - can scan a single sector or an entire cylinder and compare byte-for-byte with host memory and disk data\u003C\u002Fli>\n\u003Cli>Data transfers in DMA or non-DMA mode\u003C\u002Fli>\n\u003Cli>Parallel seek operations on up to four drives\u003C\u002Fli>\n\u003Cli>Compatible with uPD8080\u002F85, uPD8086\u002F88, V-series, and uPD780 microprocessors\u003C\u002Fli>\n\u003Cli>Single-phase clock: 8 MHz maximum\u003C\u002Fli>\n\u003Cli>3 + 5V only\u003C\u002Fli>\n\u003C\u002Ful>\n\n\u003Ch4 class='mt-2'>Application Scenarios\u003C\u002Fh4>\n\u003Cp>The uPD745HC138GS can be used in various applications where interfacing with floppy disk drives is required. It is compatible with different microprocessors and supports multiple formats and transfer capabilities, making it suitable for a wide range of systems that rely on floppy disk storage.\u003C\u002Fp>\n\n\u003Ch4 class='mt-2'>Comparison\u003C\u002Fh4>\n\u003Cdiv class='mt-3 fw-600'>Advantages\u003C\u002Fdiv>\n\u003Cul>\n\u003Cli>Simplifies the design of floppy disk interfaces\u003C\u002Fli>\n\u003Cli>Supports both single and double density formats\u003C\u002Fli>\n\u003Cli>Provides control signals for external phase-locked loop and write precompensation circuitry\u003C\u002Fli>\n\u003Cli>Offers user-programmable features for customization\u003C\u002Fli>\n\u003Cli>Supports multi-track and multi-side read and write commands\u003C\u002Fli>\n\u003Cli>Compatible with various microprocessors\u003C\u002Fli>\n\u003C\u002Ful>\n\n\u003Cdiv class='mt-3 fw-600'>Disadvantages\u003C\u002Fdiv>\n\u003Cul>\n\u003Cli>Requires 3 + 5V power supply\u003C\u002Fli>\n\u003Cli>Limited to a single-phase clock rate of 8 MHz maximum\u003C\u002Fli>\n\u003C\u002Ful>","\u003Ch3>** Description  **\u003C\u002Fh3>\n\u003Cp>The uPD765A\u002FB is an LSI floppy disk controller (FDC)  chip which contains the\ncircuitry and control functions  for interfacing a processor to 4 floppy disk\ndrives. It is  capableof either  IBM  3740 single density format (FM), or  IBM\nSystem 34 double density format (MFM) including  double-sided recording. The\nuPD765A\u002FB provides con  trol signals which simplify the design of an external\u003Cbr \u002F>\nphase-locked loop and write precompensation circuitry.  The FDC simplifies and\nhandles most of the burdens as  sociated with implementing a floppy disk\ninterface.\u003C\u002Fp>\n\u003Ch3>** Features  **\u003C\u002Fh3>\n\u003Cp>Address mark detection circuitry is internal to the FDC  which simplifies the\nphase-locked loop and read elec  tronics. The track stepping rate, head load\ntime, and  head unload time are user-programmable. The  uPD765A\u002FuPD765B offers\nadditional features such as  multi-track and multi-side read and write\ncommands  and single and double density capabilities.  \u003C\u002Fp>\n\u003Cp>FM, MFM Control\u003Cbr \u002F>\nVariable recording length: 128,256, .8192 bytes\u002F  sector\u003Cbr \u002F>\nIBM-compatible format (single- and double  sided, single- and double-density)\u003Cbr \u002F>\nMulti-sector and multi-track transfer capability\u003Cbr \u002F>\nDrive up to 4 floppy or micro floppydisk drives\u003Cbr \u002F>\nData scan capability-will scan a single sector or  an entire cylinder\ncomparing byte-for-byte host  memory and disk data\u003Cbr \u002F>\nData transfers in DMA or non-DMA mode\u003Cbr \u002F>\nParallel seek operations on up to four drives\u003Cbr \u002F>\nCompatible with uPD8080\u002F85, uPD8086\u002F88, V-series  and uPD780 ( \u003Ca href=\"\u002Fcdn-cgi\u002Fl\u002Femail-protection\"> [email\nprotected] \u003C\u002Fa> ) microprocessors\u003Cbr \u002F>\nSingle-phase clock: 8 MHz maximum  3 +5V only  \u003C\u002Fp>","[]","PCS","UPD74HC138GS","CDS2914 - UPD74HC138GS","Lead free","09+",1,"SOP5.2",2914,4537,{"title":35,"keyword":36,"seo_descr":21},"UPD74HC138GS - NEC - IC Chips Datasheet - chipdatas","UPD74HC138GS,UPD74HC138GS Datasheet,UPD74HC138GS Review,UPD74HC138GS supply,UPD74HC138GS faq",[],[39],{"title":40,"content":41},"Free Economy Shipping","International shipment of items may be subject to customs processincand additional charges.\u003Cbr> locatie in:Shenzhen, China",[43],{"title":44,"content":45,"start":46,"end":47},"Estimated between \u003Cu> Wed, Apr 15 and Thu, Apr 23\u003C\u002Fu>.","International shipment of items may be subject to customs processincand additional charges.","Wed, Apr 15","Thu, Apr 23",[49],{"title":50,"content":51},"Handling time","Will ship within 5 business days of receiving cleared payment.",[53],{"title":54,"content":55},"Return policy","Taxes may be applicable at checkout. If we do not collect taxes, you may need to pay taxes when the items arrive in your country or during customs clearance..","60 days returns. Buyer pays for return shipping.",[58,61,64],{"title":59,"content":60},"After receiving the item, contact seller within","60 days",{"title":62,"content":63},"Returns and exchanges","Money Back, Replacement",{"title":65,"content":66},"Return shipping","Buyer pays for return shipping",[68],{"title":69,"content":70},"Warranty","1 Year",[72,78,82,85,89],{"content":73,"date":74,"star":75,"ip":21,"name":76,"order_slug":21,"country":21,"iso_code":21,"img":77},"Minden nagyon jó","Mar 25",5,"ai***t3",[],{"content":79,"date":74,"star":75,"ip":21,"name":80,"order_slug":21,"country":21,"iso_code":21,"img":81},"Order delivered on time with no issues","tt***Wd",[],{"content":79,"date":74,"star":75,"ip":21,"name":83,"order_slug":21,"country":21,"iso_code":21,"img":84},"Cq***pH",[],{"content":79,"date":86,"star":75,"ip":21,"name":87,"order_slug":21,"country":21,"iso_code":21,"img":88},"Mar 26","RQ***E6",[],{"content":90,"date":74,"star":75,"ip":21,"name":91,"order_slug":21,"country":21,"iso_code":21,"img":92},"Good product. Fast shipping. Thanks.","jH***L3",[],[94,100,106,112,118,124,130,136,142,148,154,160],{"id":95,"slug":96,"title":97,"price":8,"sku":98,"pic":99},8729144,"pgpwbx9a-19-22-R6G6C-A01-2T","19-22\u002FR6G6C-A01\u002F2T -  Brand New EVERLIGHT IC Chips","19-22\u002FR6G6C-A01\u002F2T","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F721092.jpg",{"id":101,"slug":102,"title":103,"price":8,"sku":104,"pic":105},9375584,"cknl62jp-216T9NGBGA13FH","216T9NGBGA13FH -  Brand New ATI IC Chips","216T9NGBGA13FH","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F922093.jpg",{"id":107,"slug":108,"title":109,"price":8,"sku":110,"pic":111},8653713,"9in9zr66-26-000000MHZ","26.000000MHZ -  Brand New TXC IC Chips","26.000000MHZ","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F112685.jpg",{"id":113,"slug":114,"title":115,"price":8,"sku":116,"pic":117},8887378,"2wbup8e5p-2N3819","2N3819 -  Brand New NTE Electronics IC Chips","2N3819","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F598957.jpg",{"id":119,"slug":120,"title":121,"price":8,"sku":122,"pic":123},9113894,"wetdf74r-2SA1460","2SA1460 -  Brand New NEC IC Chips","2SA1460",false,{"id":125,"slug":126,"title":127,"price":8,"sku":128,"pic":129},9170614,"2rkhoajhs-2SC1945","2SC1945 -  Brand New MITSUBISHI IC Chips","2SC1945","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F380621.jpg",{"id":131,"slug":132,"title":133,"price":8,"sku":134,"pic":135},9156155,"h4mnmrbh-2SC3733-K","2SC3733-K -  Brand New NEC IC Chips","2SC3733-K","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F844742.jpg",{"id":137,"slug":138,"title":139,"price":8,"sku":140,"pic":141},9430042,"2udrhvz5n-2SJ179","2SJ179 -  Brand New STMicroelectronics IC Chips","2SJ179","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F546937.jpg",{"id":143,"slug":144,"title":145,"price":8,"sku":146,"pic":147},9427857,"2ucnyqebk-2SK170-BL","2SK170-BL -  Brand New TOSHIBA IC Chips","2SK170-BL","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F547018.jpg",{"id":149,"slug":150,"title":151,"price":8,"sku":152,"pic":153},8814069,"2tkxgayei-2SK2647-01MR","2SK2647-01MR -  Brand New FUJITSU IC Chips","2SK2647-01MR","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F442621.jpg",{"id":155,"slug":156,"title":157,"price":8,"sku":158,"pic":159},9151335,"2gfcqnhrg-2SK30A-Y","2SK30A-Y -  Brand New TOSHIBA IC Chips","2SK30A-Y","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F845208.jpg",{"id":161,"slug":162,"title":163,"price":8,"sku":164,"pic":165},9158002,"3b7cdbnvn-2SK3595-01MR","2SK3595-01MR -  Brand New IXYS IC Chips","2SK3595-01MR","http:\u002F\u002Fupload.chipdatas.com\u002Frepo2part\u002F845244.jpg","https:\u002F\u002Fwww.ebay.com\u002Fstr\u002Fchipdatas","USD","$",[170,177,183,188],{"id":171,"name":172,"descr":173,"pic":174,"start_price":175,"add_price":176},14,"Free Shipping","Estimated 15-30 business days via Registered Air Mail or others","https:\u002F\u002Fchipdatas.com\u002Fimg\u002Ficon\u002FFREE.svg","$0.00","Free",{"id":178,"name":179,"descr":180,"pic":181,"start_price":182,"add_price":176},13,"Expedited Shipping","Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx.","https:\u002F\u002Fchipdatas.com\u002Fimg\u002Ficon\u002FFAST.svg","$27.50",{"id":184,"name":185,"descr":186,"pic":187,"start_price":175,"add_price":176},16,"Buyer cooperating carrier","Using buyer's cooperating carrier.   Buyer should create a shipping label and share it to us. And then we will call carrier for pickup","https:\u002F\u002Fchipdatas.com\u002Fimg\u002Ficon\u002FCOOP.svg",{"id":189,"name":190,"descr":180,"pic":191,"start_price":192,"add_price":176},17,"Expedited Shipping ",null,"$38.00","Please contact us if need",{"title":195,"description":196,"content":197},"Estimated between \u003Cspan class='text-red-500'>Mon, Apr 13\u003C\u002Fspan> and \u003Cspan class='text-red-500'> Wed, Apr 15.\u003C\u002Fspan>","This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.",[198,199,200],"- The transportation time may be delayed due to customs clearance,local holidays or abnormal events","- The estimated time is based on the fastest speed provided by commercial couriers (DHL, Fedex, UPS etc).","- The estimated time does not include the lead time of the item, the lead time of most items is 2-5 business days. If there are more than 5 working days, we will manually confirm with you again.",{"stats":202,"latest":206,"useful":257},{"ebay_positive_rate":203,"ebay_positive_label":204,"source_label":205},"99.8%","99.8% Positive","eBay and repeat-order buyer feedback",[207,213,219,225,231,238,244,251],{"id":208,"user_name":209,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":86,"content":79,"img_list":210,"part_list":211,"like_num":8},1528,"N***A",[],[212],"10PCS  2SC2078-E TO-220 Integrated Circuits IC",{"id":214,"user_name":215,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":86,"content":79,"img_list":216,"part_list":217,"like_num":8},1529,"y***e",[],[218],"1PCS New JRC NJM2120D DIP-8 OP AMP IC",{"id":220,"user_name":221,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":86,"content":79,"img_list":222,"part_list":223,"like_num":8},1530,"P***b",[],[224],"10PCS New KM4164B-10 64K X 1 BIT DYNAMIC RAM WITH PAGE MODE DIP16",{"id":226,"user_name":227,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":86,"content":79,"img_list":228,"part_list":229,"like_num":8},1531,"E***q",[],[230],"1PCS New GK-C-1A-12D 12VDC Relay",{"id":232,"user_name":233,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":86,"content":234,"img_list":235,"part_list":236,"like_num":8},1532,"g***o","Great!",[],[237],"10PCS New TLP250 DIP-8 Photocoupler POWER MOS FET GATE DRIVE",{"id":239,"user_name":240,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":86,"content":79,"img_list":241,"part_list":242,"like_num":8},1533,"n***w",[],[243],"1PCS New SF-HD850 DVD Optical Laser Head Lens",{"id":245,"user_name":246,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":86,"content":247,"img_list":248,"part_list":249,"like_num":8},1534,"p***W","Works perfectly in my 286 system!",[],[250],"1PCS NOS INTEL  C80287XL DIP-40 Math Co-Processor",{"id":252,"user_name":253,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":86,"content":79,"img_list":254,"part_list":255,"like_num":8},1535,"b***K",[],[256],"10Pairs 2SA970 + 2SC2240 A970 + C2240 2SA970-GR +2SC2240-GR Transistor",[258,266,273,280,287,294,301,308],{"id":259,"user_name":260,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":261,"content":262,"img_list":263,"part_list":264,"like_num":8},1572,"w***H","Mar 24","I ordered two of these CPUs, very well packed in anti-static packaging. Unfortunately one was bad and one was good. I requested a partial refund and received it the same day.\ngood service even though one item was faulty.\nthanks,\nMark.",[],[265],"1PCS New MOTOROLA MC6809P DIP-40 IC",{"id":267,"user_name":268,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":74,"content":269,"img_list":270,"part_list":271,"like_num":8},1551,"G***J","Perfect replacement, I had a shipping issue and they offered an immediate refund. I ended up finding the package a few days later. I’ll definitely buy again!",[],[272],"10PCS New ON \u002F Fairchild  KA7805 three-terminal positive voltage regulator",{"id":274,"user_name":275,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":74,"content":276,"img_list":277,"part_list":278,"like_num":8},1556,"O***g","The battery works perfectly. My Pentax MX-1 is now able to remember the date and settings again. Shipping was very fast and it was well packaged.",[],[279],"1PCS NEW ORIGINAL SII\u002FSEIKO MS412FE-FL26E Rechargeable Battery 2.8v to 3.3v",{"id":281,"user_name":282,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":261,"content":283,"img_list":284,"part_list":285,"like_num":8},1564,"n***k","Received as described. I bought these to troubleshoot a couple wonky Atari 2600 consoles and they do function.  ",[],[286],"2PCS New R6532AP Integrated Circuit IC DIP-40",{"id":288,"user_name":289,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":74,"content":290,"img_list":291,"part_list":292,"like_num":8},1544,"d***o","Excellent seller—item exactly as described, well packed, and shipped quickly. Highly recommended!",[],[293],"1PCS ADI  AD1865N-K AD1865NK Complete Dual 18-Bit 16 x Fs Audio DAC  DIP-24",{"id":295,"user_name":296,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":261,"content":297,"img_list":298,"part_list":299,"like_num":8},1589,"M***m","Exactly as described. Shipped and received timely. Well packaged.  Highly recommend this seller!",[],[300],"10PCS New RM6203 6203 DIP-8 IC",{"id":302,"user_name":303,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":261,"content":304,"img_list":305,"part_list":306,"like_num":8},1596,"t***f","good quality, excellent condition, good value, okay appearance",[],[307],"3PCS New NEC UPD63200 D63200 SOP-16 IC 18 BIT DIGITAL AUDIO",{"id":309,"user_name":310,"country":21,"iso_code":21,"avatar":21,"rate":75,"create_at":261,"content":311,"img_list":312,"part_list":313,"like_num":8},1594,"e***r","Good Product as described, good comm, very fast shipping.",[],[314],"10PCS None LM331N DIP-8 Integrated Circuits IC"]