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Description
The uPD74HCT00G-T1 is an electronic component model categorized as an IC chip. It is an LSI floppy disk controller (FDC) chip that contains the circuitry and control functions for interfacing a processor to 4 floppy disk drives. It is capable of either IBM 3740 single density format (FM) or IBM System 34 double density format (MFM) including double-sided recording. The uPD74HCT00G-T1 provides control signals that simplify the design of an external phase-locked loop and write precompensation circuitry. The FDC simplifies and handles most of the burdens associated with implementing a floppy disk interface.
Specifications and features
Address mark detection circuitry is internal to the FDC, simplifying the phase-locked loop and read electronics. The track stepping rate, head load time, and head unload time are user-programmable. The uPD74HCT00G-T1 offers additional features such as multi-track and multi-side read and write commands, as well as single and double density capabilities.
Other key features include:
- FM, MFM Control
- Variable recording length: 128, 256, .8192 bytes/sector
- IBM-compatible format (single- and double-sided, single- and double-density)
- Multi-sector and multi-track transfer capability
- Drive up to 4 floppy or micro floppy disk drives
- Data scan capability - will scan a single sector or an entire cylinder comparing byte-for-byte host memory and disk data
- Data transfers in DMA or non-DMA mode
- Parallel seek operations on up to four drives
- Compatible with uPD8080/85, uPD8086/88, V-series, and uPD780 microprocessors
- Single-phase clock: 8 MHz maximum, 3+5V only
Application Scenarios
The uPD74HCT00G-T1 electronic component model can be used in various applications that require interfacing a processor to floppy disk drives. Some possible application scenarios include:
- Computers and computer systems
- Data storage and retrieval systems
- Floppy disk drive systems
- Floppy disk emulation projects
Comparison
Advantages- Supports both IBM 3740 FM format and IBM System 34 MFM format
- Offers multi-track and multi-side read and write capabilities
- Can handle single and double density recordings
- User-programmable track stepping rate, head load time, and head unload time
- Compatible with various microprocessors
Disadvantages- Only operates on a single-phase clock with a maximum frequency of 8 MHz
- Limited to 3+5V power supply
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
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- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
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Popular parts of the same kind
- Datasheet: Download UPD74HCT00G-T1
- Chipdatas Part: CD94-UPD74HCT00G-T1
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 07:58 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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Registered Mail(www.singpost.com)
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