CY7C68320-56LFXC - USB 2.0 ATA Bridge | Cypress
MPN: CY7C68320-56LFXC ✗ اختتامِ زندگیCY7C68320-56LFXC جائزہ
A USB-to-ATA bridge is an interface controller that translates USB traffic into the command, data, and status protocols expected by conventional storage devices. In the product hierarchy, this device is a USB interface IC, a USB-to-ATA bridge controller, and ultimately a semiconductor designed to reduce the host-controller burden of supporting legacy mass-storage peripherals. The bridge can therefore support storage-oriented equipment where an external USB connection must coexist with an internal ATA-style storage subsystem.
The CY7C68320-56LFXC operates as a USB 2.0 high-speed peripheral-side controller at the stated 480 Mbps interface rate. Its 56-VFQFN package provides a compact surface-mount solution for densely populated embedded and industrial equipment. The exposed pad is an important thermal and electrical feature because it provides a direct connection between the device and the PCB copper beneath the package, subject to the manufacturer’s recommended land pattern and assembly requirements.
The exact clocking, supply-voltage, current-consumption, operating-temperature, logic-level, and internal-controller details are not included in the supplied verified extracts and therefore cannot be stated reliably here. Designers should use the manufacturer datasheet for electrical limits, signal timing, ATA/ATAPI protocol details, oscillator requirements, and the complete exposed-pad layout. The verified material also contains closely related CY7C68320C-56LFXC and CY7C68321-56LFXC records, but those records should not be treated as identical without an engineering review of their respective datasheets and ordering information.
Typical applications include industrial storage equipment, embedded data-acquisition systems, legacy computer peripherals, external-storage enclosures, and service or diagnostic systems that need a USB 2.0 bridge to an ATA/ATAPI device. The 480 Mbps USB interface offers materially greater headroom than the earlier USB 1.1 full-speed rate of 12 Mbps, while the dedicated ATA/ATAPI function avoids implementing that storage protocol directly in a host processor.
PCB implementation should follow the exact exposed-pad land pattern and pin-assignment drawing in the manufacturer datasheet. The exposed pad should be connected to the appropriate supply or ground plane indicated by that drawing, with adequate via and copper area for thermal and electrical performance. Signal-routing and platform-interface details require verification because the supplied data does not include the complete pinout, recommended capacitors, or USB routing guidance.
This page combines the verified distributor descriptions, package identification, availability information, source links, and qualified replacement data to support component discovery. It also distinguishes documented facts from fields requiring datasheet confirmation and avoids presenting unverified electrical claims as production specifications.
کے لیے ڈراپ اِن متبادل CY7C68320-56LFXC — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
CY7C68320C-56LFXC
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY7C68321-56LFXC
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY7C68301B-56LFXC
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY7C68320-56LFXC تفصیلات
| Product Type | USB 2.0 to ATA/ATAPI bridge controller |
| USB Interface | USB 2.0 |
| USB Maximum Data Rate | 480 Mbps |
| Storage Interface | ATA/ATAPI |
| پیکیج | 56-VFQFN, 8 mm x 8 mm |
| Package Pin Count | 56 pins |
| Exposed Pad | Present |
| ماؤنٹنگ ٹائپ | Surface mount |
| Supplier Classification | Controller |
| Manufacturer Documentation | CY7C68320-56LFXC datasheet |
CY7C68320-56LFXC 56 pins پن کنفیگریشن گائیڈ
CY7C68320-56LFXC (56 pins پیکیج) کے لیے پن کنفیگریشن۔ پن نمبرنگ، فنکشنز اور کنکشن ڈایاگرامز مینوفیکچرر کے ڈیٹا شیٹ میں بیان کیے گئے ہیں۔ درست فٹ پرنٹ اور سولڈرنگ رہنما ہدایات کے لیے اسی سے رجوع کریں۔
کے لیے تفصیلی پن آؤٹ ڈیٹا دستیاب نہیں CY7C68320-56LFXC.
رجوع کریں ڈیٹا شیٹ مکمل پن کنفیگریشن کے لیے۔
عام استعمالات
CY7C68320-56LFXC کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Storage Equipment, USB-to-ATA Storage Enclosure, Embedded Data-Acquisition System, Legacy Computer Peripheral Adapter, External Diagnostic Service Unit, Portable Media Player.
Industrial Storage Equipment
The CY7C68320-56LFXC fits industrial systems that retain an ATA/ATAPI storage path while also requiring a USB 2.0 service or data-transfer connection. Its documented USB 2.0 interface operates at up to 480 Mbps, while the integrated bridge function allows the host processor to manage USB traffic rather than reproduce the storage protocol directly. The 56-VFQFN package occupies substantially less board area than a typical discrete storage-interface implementation. Engineers should implement the manufacturer’s exposed-pad land pattern, confirm the supported ATA command and power-management behavior, and validate recovery from bus, cable, and device faults. Industrial temperature, EMC, and regulatory suitability remain dependent on the missing electrical and qualification data.
تجویز کردہ
USB-to-ATA Storage Enclosure
The CY7C68320-56LFXC is suited to a storage enclosure that exposes an internal ATA or ATAPI device through USB 2.0. The bridge supplies the protocol conversion between the USB host and the conventional storage device, while the 480 Mbps interface provides substantially more theoretical bandwidth than USB 1.1 full-speed operation. Its 56-VFQFN construction supports compact portable products where board area and component count matter. The design must account for ATA power sequencing, cable insertion effects, media-removal reporting, and the storage controller’s command set. Do not treat 480 Mbps as guaranteed file-transfer speed because disk throughput and protocol overhead also constrain performance.
تجویز کردہ
Embedded Data-Acquisition System
The CY7C68320-56LFXC can connect a legacy ATA/ATAPI storage subsystem to the USB port of an embedded data-acquisition platform. This arrangement is useful when a system must retain an established storage architecture while offering configuration download, service access, or data extraction over USB 2.0. The bridge’s documented 480 Mbps interface rate allows the storage subsystem to remain a recognizable block device rather than requiring a redesign around a different medium. Firmware should test enumeration, hot-plug behavior where applicable, error recovery, and data integrity. Supply and temperature ratings must be confirmed from the manufacturer datasheet before deployment in harsh environments.
تجویز کردہ
Legacy Computer Peripheral Adapter
The CY7C68320-56LFXC can be used in an adapter that lets a modern USB 2.0 host access an ATA or ATAPI peripheral designed for a legacy storage architecture. Its dedicated bridge function reduces the amount of protocol and media-access logic required in the adapter controller. The 56-VFQFN package is appropriate for compact adapter hardware, and the exposed pad must follow the manufacturer’s recommended PCB implementation. Firmware compatibility, ATA command support, device timing, and power-state behavior must be validated against the exact peripheral because those details are not present in the supplied verified extracts.
تجویز کردہ
External Diagnostic Service Unit
The CY7C68320-56LFXC is applicable to diagnostic and service equipment that retains ATA/ATAPI media but needs USB 2.0 connectivity for configuration, firmware loading, or log transfer. Using the bridge allows service personnel to use a standardized USB host connection while the equipment keeps its established internal storage architecture. The documented 480 Mbps USB rate supports practical maintenance workflows, and the compact 56-VFQFN footprint leaves board space for other interface circuitry. Access-control, file-system behavior, ATA security commands, and error reporting must be implemented and tested at the system level. The unavailable electrical and lifecycle records prevent a blanket production-release decision.
تجویز کردہ
Portable Media Player
The CY7C68320-56LFXC can support a portable media device that uses ATA/ATAPI storage internally and provides USB 2.0 synchronization or connectivity. Its 480 Mbps interface is useful for moving media between a computer and an embedded player, while the small 56-VFQFN package supports space-constrained portable hardware. Mechanical shock, connector reliability, battery transitions, and hot insertion are central engineering concerns in this application. The bridge must be paired with a power source and host controller that coordinate USB enumeration and ATA power states. Verify current consumption, operating-temperature limits, and the manufacturer’s recommended capacitors before a portable design is released.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا CY7C68320-56LFXC — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | CY7C68320C-56LFXC | CY7C68321-56LFXC | CY7C68301B-56LFXC |
|---|---|---|---|---|
| Package | 56-VFQFN (8x8) with exposed pad | 56-VFQFN (8x8) | 56-VFQFN (8x8) | 56-VFQFN (8x8) |
| Brand | Cypress Semiconductor | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Product Type | USB 2.0 to ATA/ATAPI bridge controller | USB 2.0 ATA interface | USB 2.0 ATA interface | USB 2.0 ATA interface |
| USB Interface | USB 2.0 | USB 2.0 | USB 2.0 | USB 2.0 |
| Maximum USB Data Rate | 480 Mbps | 480 Mbps | 480 Mbps | 480 Mbps |
| Storage Interface | ATA/ATAPI | ATA/ATAPI | ATA/ATAPI | ATA/ATAPI |
| Replacement Evidence | Original target MPN | Closely related revision; exact equivalence requires datasheet review | Verified comparison states complete replacement without circuit modification | Same family and package; functional equivalence requires verification |
اہم امتیازی خصوصیات
- Exact original source configuration (بمقابلہCY7C68320C-56LFXC)
- Directly documented complete-replacement relationship (بمقابلہCY7C68321-56LFXC)
- Documented supplier stock evidence (بمقابلہCY7C68301B-56LFXC)
ڈیزائن نوٹس
Implement the exposed-pad land pattern exactly as shown in the manufacturer package drawing. Provide the recommended via pattern and copper connection to the pad’s designated supply or ground plane; changing pad dimensions or via placement can alter electrical return behavior and thermal performance. Keep the USB and ATA traces away from unrelated switching regulators and noisy clock sources. Because the complete pinout was not available in the verified extracts, verify every connection against the ordering-code-specific datasheet before release.
Verify the device’s supply range, absolute maximum ratings, startup sequence, and ATA power requirements from the manufacturer datasheet. Do not assume that USB bus power can directly operate the bridge and an attached ATA load. Evaluate the available input separately against the bridge’s own current and the storage device’s startup current, then include margin for capacitor inrush and repeated enumeration. The supplied data contains no verified voltage or current figures, so numerical power calculations would be speculative.
Apply the manufacturer’s USB and ATA routing guidance rather than treating both interfaces as ordinary low-speed digital nets. Use a continuous reference plane, minimize stubs and layer transitions, place required termination or protection devices near the relevant connector, and confirm differential USB impedance against the fabricator’s stack-up. For ATA-style signals, verify source-synchronous timing, series damping, and connector crosstalk in system simulation. The supplied extracts do not provide edge rates or timing limits.
Do not substitute the similarly named CY7C68320C-56LFXC merely because distributor pages show similar descriptions. Confirm the exact base part number, silicon revision, package suffix, firmware support, and current lifecycle status. Likewise, although the cross-reference result calls CY7C68321-56LFXC a complete replacement, production substitution should still include USB enumeration, ATA command, power-cycle, data-integrity, and temperature testing. Record the approved supplier and traceability information.
تعمیل کی معلومات
The supplied verified web extracts do not contain explicit compliance declarations. Compliance must be confirmed from the current manufacturer product documentation or the supplier’s declaration for the exact ordering code.
