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CY7C68300C-56LTXC USB 2.0 ATA Bridge | Infineon
CY7C68300C-56LTXC

CY7C68300C-56LTXC USB 2.0 ATA Bridge | Infineon

Infineon Technologies CY7C68300C-56LTXC is a USB 2.0 to ATA/ATAPI bridge controller operating from a 3.3 V supply in a 56-pin QFN package measuring 8 mm by 8 mm. The device provides a full-speed/high-speed USB 2.0 host-to-ATA interface for portable storage, card-reader, and embedded storage systems. Its 56-QFN construction includes an exposed pad for improved package-level heat dissipation, while the compact 8 mm by 8 mm footprint supports space-constrained portable equipment. A USB-to-ATA bridge is an interface controller that translates USB transactions into ATA and ATAPI commands. It sits between a USB host and a disk drive or storage subsystem, allowing equipment that lacks a native ATA interface to communicate with conventional mass-storage devices. Within the hierarchy of USB interface controllers, the CY7C68300 family belongs to the broader category of USB-to-storage bridge controllers and mass-storage interface semiconductors. The CY7C68300C-56LTXC supports USB 2.0 full-speed and high-speed operation, ATA/ATAPI bridging, and a 3.3 V supply. The commercial-temperature ordering code corresponds to an operating range of 0°C to 70°C. The 56-pin QFN package exposes a high number of ATA data, control, and power connections while maintaining a compact board area suitable for portable storage products. The exposed thermal pad also provides a direct heat-transfer path into the PCB copper plane. Typical uses include USB external enclosures, personal-media players, portable disk systems, industrial data-acquisition equipment, and embedded ATA storage. The bridge is most appropriate when an existing USB host must communicate with an ATA or ATAPI peripheral through a cable rather than mounting the drive directly on a host bus. Its design converts a general-purpose USB connection into the command and data protocol expected by the storage device. Circuit design should preserve the voltage, signal-integrity, and decoupling requirements specified by the manufacturer datasheet. The ATA interface is a high-speed parallel bus, so controlled impedance routing, short point-to-point connections, solid ground-plane continuity, and careful separation between sensitive supply paths and fast data lines are essential. Place the required input, output, and interface capacitors close to their associated pins, and connect the exposed pad to the recommended ground-plane construction. This product page combines the exact ordering information, package details, and verified listing links for CY7C68300C-56LTXC with practical USB-to-ATA implementation guidance. It also identifies the confirmed same-family alternatives that can support sourcing evaluation while emphasizing that firmware support, ATA protocol details, exposed-pad layout, and signal timing must be checked before any replacement is approved.

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CY7C68301B-56LFXC - USB 2.0 ATA Bridge | Infineon
CY7C68301B-56LFXC

CY7C68301B-56LFXC - USB 2.0 ATA Bridge | Infineon

The Infineon Technologies CY7C68301B-56LFXC is a USB 2.0 to ATA/ATAPI interface bridge housed in a 56-pin QFN package measuring 8 mm by 8 mm. It provides the bridge function between a USB 2.0 host interface and an ATA or ATAPI storage device, supporting the transfer of storage commands and data across the two interfaces. A USB-to-ATA bridge is an interface controller that translates USB transactions into ATA commands and returns ATA responses through USB. These devices are used to connect USB storage systems to embedded computers, industrial equipment, test systems, and legacy storage peripherals. The CY7C68301B belongs to the EZ-USB AT2LP product family, combining a full-speed or high-speed USB bridge with ATA interface logic in one integrated circuit. The device's defining specifications are its USB 2.0 ATA bridge function, 56-QFN package, and 8 mm by 8 mm body size. A comparison associated with the part lists an operating-voltage range of 3.15 V to 3.45 V and a temperature grade beginning at 0 degrees Celsius. The QFN package supports compact PCB layouts while exposing the bridge's power, USB, ATA, and control connections through a high pin count. The CY7C68301B is intended for systems that need a dedicated USB storage interface rather than a general-purpose host controller. Its USB side connects to an external host, while the ATA side connects to compatible storage devices. The bridge architecture allows existing ATA/ATAPI storage subsystems to be accessed through a USB connection without implementing the full storage stack in host firmware. Typical uses include USB-connected embedded storage, industrial data-acquisition equipment, legacy disk systems, test and measurement fixtures, and portable computing products. System designers should match the power rails, USB signaling requirements, ATA connector arrangement, clocking, and firmware configuration to the manufacturer datasheet before laying out the PCB. Because the package uses a dense 56-pin QFN footprint, PCB planning requires careful escape routing and uninterrupted ground-plane placement. The manufacturer datasheet should be used for the authoritative pin assignments, exposed-pad connection, decoupling requirements, clock source, and ATA interface details. This page also compares related EZ-USB AT2LP devices and highlights where a different bridge variant may require design review. For a new USB-to-ATA design, the CY7C68301B is most relevant when its documented USB, ATA, voltage, temperature, and package requirements match the target system. For an existing board, verify that the footprint, exposed pad, signal functions, firmware configuration, and electrical limits remain unchanged before considering a related bridge as a replacement.

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CY7C68301B-56PVXC USB 2.0 ATA Bridge | Infineon
CY7C68301B-56PVXC

CY7C68301B-56PVXC USB 2.0 ATA Bridge | Infineon

Infineon Technologies CY7C68301B-56PVXC is a USB 2.0 to ATA/ATAPI mass-storage bridge controller in a 56-pin SSOP package. The device bridges USB storage connectivity to ATA/ATAPI-compatible drives and is associated with battery-powered portable-storage designs. It operates from a 3.3 V supply identified by the product documentation, while the associated datasheet search record identifies a 3.15 V to 3.45 V operating range. A USB-to-ATA bridge is a controller within the USB interface-controller and mass-storage interface hierarchy. Its purpose is to translate USB host transactions into ATA or ATAPI commands for compatible storage devices. This USB-to-ATA bridge category falls under interface ICs, semiconductor controllers, and data-transfer interface devices. Such controllers are used to connect external storage hardware to a USB-capable computer, embedded system, or portable electronics platform without requiring a conventional internal storage interface. The CY7C68301B family supports USB 2.0 mass-storage applications and is offered in lead-free 56-pin SSOP and 56-pin QFN package options. The CY7C68301B-56PVXC is the SSOP configuration, while the separate -56LFXC ordering code identifies a QFN package. Its USB 2.0 ATA-interface positioning makes it suitable for portable and embedded storage equipment requiring a host-side USB connection to an ATA or ATAPI-compatible drive. The controller is intended for ATA/ATAPI-6 compliant mass-storage devices, including portable storage applications associated with battery-powered designs. A typical system places the bridge between a USB connector and an ATA-compatible drive interface, allowing a USB host to enumerate and transfer data to the attached storage device. The 56-pin SSOP package supports compact, surface-mount assembly while providing enough pins for the USB, ATA, storage-interface, clock, power, and configuration functions defined by the family. Potential uses include USB-connected portable drives, card-reader systems, embedded data loggers, industrial storage equipment, and legacy ATA storage adapters. Because it targets ATA and ATAPI storage rather than modern SATA or NVMe interfaces, system compatibility must be confirmed before deployment. The bridge should also be checked against the host operating system, drive interface, power requirements, and required USB enumeration behavior. A key design consideration is that the -56PVXC and -56LFXC suffixes identify different package constructions rather than electrically identical drop-in land patterns. Confirm the mechanical drawing, pin assignment, PCB footprint, and exposed or non-exposed package details before schematic capture. Review the manufacturer pin-description table when assigning ATA signals, USB data lines, control inputs, and supply pins. This page consolidates the verified USB 2.0 ATA-interface description, package distinctions, related controller options, and design guidance into an engineer-focused component reference. It also distinguishes same-footprint family alternatives from QFN variants and separates documented specifications from parameters that still require confirmation against the manufacturer datasheet.

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CY7C68301C-56LFXC - USB 2.0 ATA Bridge | Cypress Semiconductor
CY7C68301C-56LFXC

CY7C68301C-56LFXC - USB 2.0 ATA Bridge | Cypress Semiconductor

The Cypress Semiconductor CY7C68301C-56LFXC is a USB 2.0 high-speed peripheral controller and USB-to-ATA/ATAPI bridge packaged in a 56-pin VFQFN measuring 8 x 8 mm. It is intended to provide a USB interface for storage devices that use the ATA or ATAPI command set, allowing legacy storage peripherals to communicate through a USB 2.0 host. A USB-to-ATA bridge is an interface controller that translates USB transactions into ATA commands and transfers data between a USB host and an ATA-compatible storage device. Within the interface-controller hierarchy, this device belongs to the USB high-speed peripheral-controller class and bridges USB connectivity with the ATA storage ecosystem. The bridge can therefore be used in storage peripherals, adapters, embedded systems, and legacy-device modernization designs. The principal identified characteristics are USB 2.0 high-speed operation, a USB-to-ATA/ATAPI bridge function, and a compact 56-VFQFN package with an exposed pad. Its surface-mount package supports high-density PCB layouts while providing a thermal and electrical connection between the device and the board. The exposed-pad construction requires careful PCB layout and thermal management to achieve reliable operation without excessive junction temperature. This controller is associated with the EZ-USB AT2LP family of USB-to-ATA solutions. Its position between the USB host and an ATA device means that system designers must account for USB enumeration, ATA signaling, storage timing, power management, and connector requirements. The device is therefore more specialized than a general-purpose USB hub or serial interface controller: it is intended specifically for bridging USB connectivity to ATA or ATAPI storage functions. Typical applications include USB external-storage enclosures, USB-to-ATA storage adapters, embedded data-storage systems, industrial equipment with legacy ATA peripherals, and compact industrial or retrofitted storage products. In these applications, the CY7C68301C-56LFXC centralizes protocol translation while allowing the storage subsystem to retain the ATA command and electrical architecture used by legacy devices. For PCB implementation, follow the manufacturer's pin-assignment and reference-layout guidance exactly. Place the exposed pad on a continuous ground plane, connect USB and ATA differential pairs with controlled impedance and matched routing, and provide local decoupling at the supply pins. Keep high-current and high-speed routing areas separated where practical, and verify the complete interface with USB compliance, signal-integrity, and power-integrity testing. This product summary combines the device identity, USB-to-ATA function, package information, sourcing context, and practical PCB guidance. It also distinguishes the identified same-package family references so engineers can evaluate migration options while checking device revisions, electrical ratings, firmware requirements, and pin-level compatibility before making a replacement.

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CY7C68301C-56LTXC - USB 2.0 ATA Bridge | Infineon
CY7C68301C-56LTXC

CY7C68301C-56LTXC - USB 2.0 ATA Bridge | Infineon

The Infineon Technologies CY7C68301C-56LTXC is a USB 2.0 interface bridge for connecting an ATA or ATAPI device through a USB port. It operates from a 3.3 V supply, supports bulk, interrupt, and isochronous data transfers, and provides seven endpoints. The device is housed in a 56-pin QFN package measuring 8 mm by 8 mm, with an exposed pad identified in product documentation. A USB-to-ATA bridge is an interface controller that translates USB host transactions into ATA and ATAPI commands used by hard-disk drives, optical storage, and related peripherals. This device belongs to the USB interface controller hierarchy, which connects USB host controllers to storage media and provides the electrical and protocol translation required for removable or externally connected storage systems. The principal feature set includes USB 2.0 operation, ATA and ATAPI support, seven endpoints, and three supported transfer types. Bulk transfers suit disk data movement, interrupt transfers support status or control traffic, and isochronous transfers provide time-sensitive channels. The 3.3 V operating supply and compact 8 mm by 8 mm QFN package support space-constrained external storage equipment. The AT2LP implementation is intended for high-speed USB storage interfaces. Its endpoint structure provides multiple channels for command, status, and data traffic between the USB host and an attached ATA device. Because the controller handles protocol translation, the storage subsystem can use USB connectivity without implementing the USB-to-ATA transaction layer directly. Typical uses include USB-to-IDE adapters, external storage enclosures, compact disk systems, and legacy ATA equipment connected to a modern USB host. The named CY4615B development kit is associated with the device for design evaluation. System integration also requires careful USB routing, power-supply design, ATA signal conditioning, and thermal management around the exposed-pad package. For a new layout, route USB and ATA differential pairs on controlled-impedance layers, keep bypass capacitors close to the supply pins, and provide uninterrupted ground references around the package. Confirm voltage levels, connector orientation, power-source requirements, and ATA master or slave configuration against the manufacturer datasheet before releasing production hardware. This page combines the device specifications, protocol capabilities, application guidance, package information, and documented family comparisons needed to evaluate the CY7C68301C-56LTXC. The alternatives section is limited to same-package family candidates identified through cross-reference records, and each substitution still requires firmware, electrical, and footprint validation before use.

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CY7C68301C-56PVXC USB 2.0 ATA Bridge | Infineon
CY7C68301C-56PVXC

CY7C68301C-56PVXC USB 2.0 ATA Bridge | Infineon

The Infineon Technologies CY7C68301C-56PVXC is a USB 2.0 ATA/ATAPI bridge controller packaged as a 56-SSOP device. It provides the interface between a USB 2.0 host and an ATA/ATAPI storage device, supporting the transfer of USB high-speed peripheral data to the ATA storage domain. The controller is identified as an EZ-USB AT2LP USB 2.0 to ATA/ATAPI bridge in the manufacturer documentation. A USB-to-ATA bridge is an interface controller within the broader semiconductor hierarchy of USB interface ICs, interface controllers, and system connectivity devices. Its role is to translate commands and data between the packet-based Universal Serial Bus architecture and the parallel command and data conventions used by ATA storage devices. This allows a storage subsystem using a legacy ATA/ATAPI connection to be accessed through a USB 2.0 host interface. The verified product information identifies USB 2.0 support, ATA/ATAPI bridging, and high-speed USB peripheral operation as the principal functional characteristics. The ordering code CY7C68301C-56PVXC denotes a 56-lead SSOP package. The suffix also distinguishes the device revision, temperature and qualification options, and shipping format, so a replacement should be selected by the complete ordering code rather than by the base device name alone. Technically, the bridge is designed for systems that need protocol conversion and USB connectivity for an ATA or ATAPI device. Its implementation includes USB-side and ATA-side logic, command handling, data transfer paths, and package-level support for the associated storage interface. Because the exact electrical timing, current, voltage, and environmental limits are not stated in the retrieved product records, designers should confirm those values against the manufacturer datasheet before finalizing a power, layout, or signal-integrity design. Typical uses include legacy ATA storage adapters, USB-to-ATA equipment, embedded data acquisition systems, industrial storage controllers, and test equipment that must present an ATA/ATAPI device through USB 2.0. In these systems, the bridge reduces the need for a host to understand ATA electrical signaling and provides a standardized USB connection to the storage peripheral. The primary design consideration is exact replacement compatibility. Board designers should verify the lead count, exposed or routed pins, supply requirements, ATA-side pin assignments, USB routing, crystal or clock requirements, and supported ATA device type against the manufacturer pin description table. Signal-routing and power-layout decisions should not be inferred solely from the family name. This product page consolidates the confirmed USB 2.0 ATA/ATAPI interface information, package identity, source links, comparison candidates, and application guidance. It also separates confirmed facts from electrical details that still require datasheet verification, helping engineers evaluate this legacy bridge without treating generic controller assumptions as part-specific guarantees.

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CY7C68310-80AXC USB 2.0 ATA Bridge | Infineon
CY7C68310-80AXC

CY7C68310-80AXC USB 2.0 ATA Bridge | Infineon

The Infineon Technologies CY7C68310-80AXC is a low-power USB 2.0 to ATA/ATAPI bridge integrated circuit with a 2.5 V operating supply identified in the verified results and an 80-pin TQFP package. It is designed to provide a bridge between a USB 2.0 host interface and ATA or ATAPI storage devices, making it suitable for embedded storage adapters, legacy computer peripherals, and systems that need protocol conversion without implementing the complete storage interface in host hardware. The verified sources identify the part as an ISD-300LP Low-Power USB 2.0 to ATA/ATAPI Bridge IC. A USB-to-ATA bridge is an interface controller that translates USB commands and data traffic into ATA/ATAPI commands and electrical signaling. In the device hierarchy, it belongs to interface ICs, then data converters and bus bridges, and finally the broader semiconductor category. The bridge can help preserve investment in storage mechanisms designed around parallel ATA while adding a USB connection for a newer host system. Its low-power designation is important for portable and embedded equipment where USB connectivity must not dominate the system power budget. The available verified data confirms the key identity and package information: CY7C68310-80AXC, USB 2.0, ATA/ATAPI bridge operation, 2.5 V supply information, and an 80-pin TQFP package measuring 12 x 12 mm according to the DigiKey result. The search results also identify the device as an Infineon/Cypress component through distributor and Octopart listings. Detailed electrical limits, transfer-rate values, operating-temperature limits, and timing parameters were not supplied in the verified snippets, so those values must be confirmed from the manufacturer datasheet before a design is released. Typical uses include USB storage adapters, embedded data loggers, industrial equipment with legacy ATA storage, test fixtures, and computer systems that need a controlled bridge to an ATA device. In these applications, the bridge handles USB enumeration and storage-protocol translation while the host operating system presents the storage device through its normal USB mass-storage path. Designers should confirm host compatibility, device-side ATA signaling, power requirements, connector implementation, and operating-system support using the official CY7C68310 documentation. The most important design consideration is interface validation rather than raw substitution. A candidate part must match the 80-pin TQFP footprint, pin functions, supply requirements, USB behavior, ATA/ATAPI timing, and operating system requirements. The verified web results do not establish a qualified pin-to-pin replacement, so substitute parts should not be treated as drop-in without manufacturer documentation. This page distinguishes verified facts from missing technical data and emphasizes datasheet-based review. This product page combines the verified distributor identity, package information, pricing reference, and practical selection context with explicit markers for unavailable electrical specifications. It is intended as an engineering-oriented starting point for sourcing and design review rather than a substitute for the full manufacturer datasheet.

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CY7C68320-100AXC - USB 2.0 to ATA Bridge | Infineon
CY7C68320-100AXC

CY7C68320-100AXC - USB 2.0 to ATA Bridge | Infineon

The Infineon Technologies CY7C68320-100AXC is a USB 2.0 to ATA/ATAPI interface bridge controller packaged in a 100-lead LQFP. The device is designed to bridge a USB high-speed host connection to an ATA or ATAPI storage interface, reducing the need for a discrete host-controller and storage-interface implementation. The verified product records identify the device as a USB Bridge with a USB 2.0 ATA interface and a 100-TQFP package measuring 14 x 20 mm. A USB-to-ATA bridge is a storage-interface controller within the broader USB interface-controller and data-conversion IC hierarchy. Its primary role is to translate USB transactions and descriptors into ATA or ATAPI commands, allowing compatible storage equipment to appear as a USB peripheral. This device class is useful when legacy or removable storage interfaces must be connected through a standardized USB high-speed host port. The verified listings identify the CY7C68320-100AXC as a Cypress Semiconductor EZ-USB AT2LP USB 2.0 to ATA/ATAPI bridge. Related listings describe the corresponding CY7C68320C-100AXC as a 100-pin USB-to-ATA bridge, providing confirmation of the interface function, family positioning, and package format. The commercial-grade operating-temperature information listed for the closely identified CY7C68320C-100AXC is 0°C to 70°C, while the exact specification for the non-C target order code remains to be confirmed from its manufacturer datasheet. Architecturally, this controller sits between a USB host and an ATA/ATAPI storage device. USB provides the external connection and enumeration boundary, while ATA commands operate internally through the bridge's ATA-compatible interface. The integration can shorten firmware and hardware development for USB storage products by consolidating protocol handling in a dedicated controller instead of implementing the complete bridge function in a separate microcontroller. Typical use cases include USB-connected external storage, embedded data-logging systems, industrial storage adapters, legacy ATA equipment modernization, and test fixtures that require a USB front end for an ATA peripheral. In each case, system design must still provide the required USB termination, ATA signal routing, storage connector, power architecture, and firmware support for the selected device configuration. The primary design consideration is package verification. Distributor records alternate between CY7C68320-100AXC and CY7C68320C-100AXC, and the available search results do not provide a verified pin-by-pin comparison for every order code. Engineers should therefore confirm the exact MPN, pinout, electrical limits, supported ATA modes, and firmware compatibility against the applicable manufacturer datasheet before releasing a PCB or production order. This page consolidates verified distributor and manufacturer-document discovery records with package-aware selection guidance, practical integration considerations, and an explicit separation of confirmed facts from unresolved data. It is intended to accelerate engineering review while avoiding unsupported claims about lifecycle, pricing, pin assignments, or drop-in substitution.

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CY7C68320-56LFXC - USB 2.0 ATA Bridge | Cypress
CY7C68320-56LFXC

CY7C68320-56LFXC - USB 2.0 ATA Bridge | Cypress

The Cypress Semiconductor CY7C68320-56LFXC is a USB 2.0 to ATA/ATAPI bridge controller with a 480 Mbps host interface, supplied in a 56-VFQFN package measuring 8 mm by 8 mm with an exposed pad. It is designed for systems that require an internal mass-storage connection between a USB host and an ATA or ATAPI device. The verified distributor information identifies the device as a USB Bridge with a USB 2.0 ATA interface and describes the original package as 56-VFQFN with an exposed pad. 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.

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CY7C68320C-100AXA - USB 2.0 ATA Bridge | Infineon
CY7C68320C-100AXA

CY7C68320C-100AXA - USB 2.0 ATA Bridge | Infineon

The Infineon Technologies CY7C68320C-100AXA is a 3.3 V USB 2.0-to-ATA/ATAPI interface controller used to connect a USB host to an IDE storage device. It is identified as an EZ-USB AT2LP USB 2.0 ATA bridge and belongs to the broader line and bus controller category. The component is listed in a 100-pin TQFP package measuring 14 x 14 mm, providing a high pin count for host, storage, control, and auxiliary interface connections. A USB-to-ATA bridge is a specialized interface IC that translates USB transactions into ATA and ATAPI commands. This capability allows legacy parallel storage equipment to operate through a USB connection without redesigning the storage subsystem. The device therefore belongs to the hierarchy of USB interface controllers, peripheral interface ICs, interface adapters, and general-purpose semiconductors used in data-transfer and storage applications. The CY7C68320C-100AXA operates from a 3.3 V supply and supports full-speed and high-speed USB 2.0 operation. Its ATA/ATAPI side provides the command and data interface expected by compatible storage devices, while the USB side manages enumeration and data transfer with a USB host. The 100-pin TQFP package offers ample routing capacity for signal, control, power, and interface functions in systems that require a dedicated USB storage interface rather than a simpler general-purpose USB-to-serial converter. Typical uses include USB-connected external storage, industrial data acquisition systems, kiosk peripherals, legacy equipment modernization, and embedded systems that need to expose an ATA device through USB. The controller can also be considered for service and recovery equipment intended to read, initialize, or diagnose ATA-compatible media. Implementation requires careful USB signal routing, controlled 3.3 V power delivery, and firmware or operating-system support for the selected USB mass-storage behavior. Designers should verify the complete pin assignment, supported ATA device modes, USB enumeration behavior, and required external components against the manufacturer datasheet before layout release. USB differential pairs should be routed as controlled-impedance, length-matched traces, while the ATA and ATAPI signals require adequate grounding and short return paths. Power sequencing and signal-integrity margins are especially important when the bridge is placed between a host connector and external storage media. This page consolidates the exact package, voltage, interface, temperature, and sourcing details for CY7C68320C-100AXA with engineering-focused implementation guidance, commercial information, and a clear explanation of replacement-part verification requirements.

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CY7C68320C-100AXC USB 2.0 ATA Bridge | Infineon Technologies
CY7C68320C-100AXC

CY7C68320C-100AXC USB 2.0 ATA Bridge | Infineon Technologies

The Infineon Technologies CY7C68320C-100AXC is a USB 2.0 to ATA and ATAPI interface controller in a 100-lead TQFP package measuring 14 mm by 20 mm. The device operates from a 3.3 V supply, supports a commercial temperature range of 0 °C to 70 °C, and is designed for USB high-speed peripheral storage applications. A USB-to-ATA bridge is an interface controller that translates USB transactions into ATA or ATAPI commands for storage peripherals. It belongs to the USB interface controller family, where USB host connectivity is paired with an embedded storage interface. This bridging function allows a USB port to operate with compatible disk, tape, or removable-media equipment while preserving the established ATA command set. The CY7C68320C-100AXC provides a USB 2.0 high-speed peripheral interface, ATA interfacing, a 3.3 V supply requirement, and a 100-pin surface-mount package. Its commercial operating range covers 0 °C to 70 °C, making it appropriate for equipment intended to operate in controlled indoor or industrial-enclosure environments. The 14 mm by 20 mm TQFP format provides enough external pins for host, storage-side, clock, control, and power connections. The controller is used as the protocol-conversion element between a USB system and an ATA-compatible peripheral. Signal integrity at the USB and ATA edges depends on correct impedance-controlled routing, continuous return paths, and placement of the required decoupling capacitors. Its 100-pin package leaves sufficient perimeter space for fanout into these two interfaces, but the relatively large footprint must be considered when compact equipment designs are compared with smaller controller packages. Typical implementations include USB storage adapters, removable cartridge readers, embedded disk systems, legacy-portable-computer peripherals, and industrial data-acquisition equipment that retains an ATA interface. In these systems, the CY7C68320C-100AXC handles USB traffic and converts it into the appropriate ATA or ATAPI command sequence while the attached storage device supplies the physical data storage. PCB design should prioritize short USB differential traces, controlled impedance, solid ground-plane continuity, and decoupling close to the supply pins. Because this controller bridges two high-speed digital domains, connector and trace geometry should avoid unnecessary stubs. Prototype layouts should also follow the pin-description table and reference circuitry in the manufacturer datasheet rather than inferring connections from the package outline. This page consolidates the controller identity, interface details, package information, replacement guidance, and application guidance into one engineering reference. It also highlights the trade-off between protocol versatility and package size, helping designers determine whether the 100-lead TQFP implementation meets the mechanical, environmental, and connectivity requirements of a USB storage system.

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CY7C68320C-56LFXC - USB 2.0 ATA Bridge | Cypress
CY7C68320C-56LFXC

CY7C68320C-56LFXC - USB 2.0 ATA Bridge | Cypress

Cypress Semiconductor Corporation CY7C68320C-56LFXC is a USB 2.0 to ATA/ATAPI bridge controller in a 56-pin QFN package measuring 8 x 8 mm. The device belongs to the EZ-USB AT2LP family and is intended to bridge a USB 2.0 host interface with an ATA or ATAPI storage device. Its commercial-temperature operating range is 0°C to 70°C, and the cataloged package configuration includes an exposed pad and tray packaging. A USB-to-ATA bridge is an interface controller that translates USB host transactions into ATA commands and responses for compatible storage peripherals. This bridge controller belongs to the broader USB interface-controller, peripheral-interface, and semiconductor hierarchy. Its practical purpose is to simplify the host-side protocol conversion required when attaching an ATA-compatible disk, compact-flash interface, or related storage subsystem to a USB 2.0 system. The key documented characteristics are USB 2.0 host-side support, an ATA/ATAPI device interface, 56-QFN construction with an 8 x 8 mm body, and an exposed thermal pad. The exposed pad provides a direct thermal and electrical path from the controller to the PCB, making careful land-pattern and thermal-layout implementation important. The LFXC ordering form denotes the 56-pin QFN configuration, while the final C character identifies this cataloged revision. The CY7C68320C belongs to a controller family designed for storage-interface bridging rather than general-purpose signal conditioning or data acquisition. Its architecture places the USB interface, ATA interface, control logic, and associated I/O resources in one integrated package. This integration reduces the component count required to implement a USB storage adapter, provided the system also supports the required USB enumeration, storage protocol, power-management, and operating-system behavior. Typical uses include USB storage adapters, embedded data-acquisition equipment, industrial control systems, backup appliances, and legacy ATA equipment modernization. The device is particularly relevant where a new USB 2.0 host must communicate with an ATA or ATAPI peripheral already designed into the system. Its commercial temperature range of 0°C to 70°C suits equipment expected to operate in controlled indoor environments rather than exposed automotive or extreme industrial installations. The primary PCB-design consideration is the exposed-pad thermal path. Place the device according to the manufacturer land pattern, provide solder paste coverage for the exposed pad, and use an uninterrupted ground or thermal plane beneath the package. Validate the completed assembly for adequate heat spreading under the maximum expected ATA, USB, and auxiliary interface activity before applying it to a new design. This product record combines the manufacturer-family description, package information, lifecycle classification, sourcing context, and practical implementation considerations into one engineering reference. It also distinguishes true same-package bridge alternatives from broad functional equivalents, helping designers identify candidates that still require pin, firmware, protocol, and timing verification before replacement.

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CY7C68320C-56PVXC USB 2.0 to ATA/ATAPI Bridge | Infineon
CY7C68320C-56PVXC

CY7C68320C-56PVXC USB 2.0 to ATA/ATAPI Bridge | Infineon

The Infineon Technologies CY7C68320C-56PVXC is the EZ-USB AT2LP USB 2.0 to ATA/ATAPI bridge controller, a dedicated interface IC that translates USB 2.0 traffic into ATA/ATAPI commands for a single CompactFlash or hard-disk device, operating at a 56 MHz internal clock in a 56-pin SSOP package. What is a USB-to-ATA bridge? A USB storage bridge sits in the hierarchy of USB interface controllers and mass-storage adapters, converting a host USB port into an ATA/ATAPI device-side bus. Without such a bridge, a USB port cannot talk directly to an IDE disk, so the controller must generate ATA command timing, data strobes, and drive the 40/80-wire parallel ATA cable while presenting a standard USB mass-storage device class to the host. The AT2LP architecture places a low-power microcontroller core inside the bridge, which allows protocol handling and board-level manufacturing test to be performed entirely through the USB interface without external equipment. Key features include support for CompactFlash plus one ATA/ATAPI device, full-speed/high-speed USB 2.0 peripheral operation, a Hi-Z ATA interface that can be placed in a high-impedance state so the ATA bus can be shared with another controller such as an IEEE-1394 device, and board-level manufacturing test using the USB interface. Package options in this family include SSOP and LQFP, with the -56PVXC ordering code identifying the 56-pin SSOP, commercial-temperature configuration. Typical applications include legacy IDE and CompactFlash storage adapters, industrial and in-flight entertainment data recorders, USB-to-IDE dongles, multi-format card readers, and legacy PC or embedded platforms that retain an ATA bus but need a modern USB 2.0 host connection. Because the ATA side is a parallel bus, board layout must keep the ATA traces short and properly terminated, and USB differential routing must follow controlled-impedance layout rules. When designing with this device, confirm that the USB host supplies the bus voltage needed for the attached ATA drive, provide the required USB transceiver and passives from the reference schematic, and verify that the ATA cable length stays within the limits stated in the manufacturer datasheet. This page consolidates distributor availability, drop-in alternatives, pin and package guidance, and practical design notes for engineers who need to source or replace this legacy-to-modern storage interface bridge.

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CY7C68321-100AXC USB 2.0 ATA Bridge | Cypress
CY7C68321-100AXC

CY7C68321-100AXC USB 2.0 ATA Bridge | Cypress

The Cypress Semiconductor CY7C68321-100AXC is a fixed-function EZ-USB AT2LP USB 2.0 to ATA/ATAPI bridge integrated circuit in a 100-pin TQFP package. It provides one USB port and support for one or two ATA- or ATAPI-based devices, including CompactFlash storage, while offering an ATA interface high-impedance mode for shared-bus designs. The device is identified in the verified distributor data as a USB Bridge with a USB 2.0 ATA interface and a 100-TQFP (14 x 20 mm) package. The CY7C68321 belongs to the EZ-USB AT2LP family of USB storage interface controllers. An interface IC is a semiconductor category used to connect host buses and peripheral protocols; in this case, the bridge translates the USB 2.0 host interface into ATA/ATAPI signals used by compatible storage devices. Its position within the broader hierarchy is interface IC, then USB interface controller, then fixed-function USB-to-ATA bridge. Verified listing information identifies the part as a 480 Mbps USB 2.0 interface solution with a 3.15 V minimum and 3.45 V maximum operating voltage. The ATA side can support CompactFlash and one ATA/ATAPI device. Its high-impedance ATA interface is useful when another controller, such as an IEEE 1394 device, must share the ATA bus. These details make the bridge relevant to legacy USB storage appliances, embedded ATA systems, and CompactFlash equipment. The 100-pin TQFP package provides the board interface required for host, storage, power, control, and signal-conditioning connections. Because this legacy bridge targets USB 2.0 and ATA/ATAPI rather than modern USB storage standards, designers should verify host operating-system support, device compatibility, signal integrity, power sequencing, and connector requirements before releasing a new design. The verified distributor pages do not publish detailed timing, thermal, or environmental values, so those parameters remain to be confirmed from the manufacturer datasheet. This page consolidates the verified product identity, package information, sourcing links, interface capability, and engineering selection criteria. It also distinguishes confirmed facts from parameters that require datasheet verification, helping engineers evaluate the CY7C68321-100AXC without treating catalog snippets as a complete electrical specification. Designs should reserve adequate placement and routing flexibility for the 100-pin TQFP footprint, validate the ATA and USB signal-integrity requirements, and confirm device-support policy before production. For a new USB-to-ATA product, assess whether a modern USB mass-storage controller provides better long-term platform support. For maintaining an existing ATA/CompactFlash design, the bridge may remain suitable if its timing, power, and compatibility requirements are unchanged.

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CY7C68321-56LFXC - USB 2.0 to ATA Bridge | Infineon
CY7C68321-56LFXC

CY7C68321-56LFXC - USB 2.0 to ATA Bridge | Infineon

The Infineon Technologies CY7C68321-56LFXC is a USB bus controller and USB 2.0-to-ATA interface bridge designed to connect USB storage equipment with ATA or ATAPI devices. It is a CMOS integrated circuit supplied in a 56-QFN package measuring 8 mm by 8 mm. The controller bridges the USB 2.0 host interface and ATA storage interface, supporting the transfer of data between a USB-equipped computer and ATA-based mass-storage systems. A USB-to-ATA bridge is an interface controller within the broader USB interface IC category. It translates USB traffic and ATA storage commands so that a legacy ATA device can appear as a USB peripheral without requiring a host-side protocol converter to understand the ATA command set. This function places the CY7C68321-56LFXC in the storage-controller hierarchy: USB interface controller, mass-storage bridge, ATA/ATAPI interface controller, and ultimately a CMOS semiconductor. The verified distributor information identifies the device as a USB Bridge with a USB 2.0 ATA interface in a 56-QFN (8x8) package. Its EZ-USB AT2LP family designation is also visible in distributor listings for the same MPN. The compact 56-QFN package supports space-constrained external storage, portable media, docking, and embedded USB storage designs where a larger through-hole or leaded bridge package would be undesirable. The CY7C68321-56LFXC belongs to a family of related controllers including CY7C68321C-56LFXC, CY7C68300C-56LFXC, and CY7C68300B-56LFXC. The C suffix identifies different family revisions or ordering variants, but the supplied web data does not expose a verified electrical comparison table, operating-voltage range, or USB speed difference for each suffix. Engineers should therefore confirm the complete datasheet and firmware requirements before treating a related suffix as a drop-in substitution. A key design consideration is that the device is a protocol bridge rather than a general-purpose USB host controller. The surrounding board must provide compliant USB 2.0 signal routing, ATA power management, storage-side connectivity, and the decoupling appropriate for its supply rails. USB differential-pair routing, ATA signal integrity, and the exposed-pad grounding arrangement of the QFN package require close attention in multilayer PCB layouts. Typical implementation roles include an ATA flash-memory reader, a USB storage adapter, a portable storage enclosure, and a compact embedded USB-to-disk interface. Because the verified data does not provide the operating voltage, transfer rate, temperature range, or absolute maximum ratings, those values must be taken directly from the applicable manufacturer datasheet before schematic sign-off. This page consolidates verified distributor listings, related family members, package information, and application-specific engineering guidance. It adds selection context and design notes beyond the basic catalog description while clearly separating verified facts from parameters that still require manufacturer documentation.

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CY7C68321C-100AXC - USB 2.0 ATA Bridge | Cypress
CY7C68321C-100AXC

CY7C68321C-100AXC - USB 2.0 ATA Bridge | Cypress

The Cypress Semiconductor CY7C68321C-100AXC is an EZ-USB AT2LP USB 2.0 to ATA/ATAPI bridge controller designed for storage peripherals and USB-to-ATA interface designs. The device supports USB 2.0 high-speed operation, one ATA or ATAPI device, Compact Flash support, board-level manufacturing test through the USB interface, and a high-impedance ATA interface mode for sharing the ATA bus with another controller such as an IEEE-1394 controller. The component is specified in a 100-pin LQFP package and operates from a 3.15 V to 3.45 V supply range. A USB-to-ATA bridge is an interface controller that translates USB host transactions into ATA or ATAPI commands for storage devices. The CY7C68321C-100AXC sits between a USB system and an ATA storage bus, providing protocol bridging rather than operating as a general-purpose microcontroller or storage device itself. Its USB 2.0 interface makes it suitable for legacy and embedded systems requiring a host-side connection to IDE or compatible storage peripherals. The main functional features include support for Compact Flash and one ATA or ATAPI device, support for board-level manufacturing testing through USB, and an ATA interface high-impedance state. The high-impedance capability is useful in multi-controller systems because it can electrically isolate the ATA bus while another controller, including an IEEE-1394 controller, is active. This feature helps reduce bus contention and supports controlled ownership of the shared storage interface. The CY7C68321C-100AXC is identified by the verified manufacturer and distributor listings as an EZ-USB AT2LP USB 2.0 to ATA/ATAPI bridge in a 100-LQFP package, with an operating temperature range of 0 °C to 70 °C and a 3.15 V to 3.45 V operating supply range. The product is listed as obsolete or end-of-life in the available product information, so new designs should verify lifecycle status and consider a redesign or an explicitly qualified replacement rather than assuming a current production commitment. Typical applications include USB-to-IDE storage adapters, embedded data acquisition systems with legacy ATA storage, Compact Flash equipment, board-level production test systems, and shared ATA-bus designs involving more than one storage controller. For new USB storage products, the design should account for the legacy ATA electrical interface and verify the bridge firmware, cable, connector, power, and operating-system compatibility. The verified information identifies the package and core interface functions, while a complete pin description, electrical timing details, and a manufacturer application reference should be confirmed in the official device documentation before layout release.

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CY7C68321C-56LFXC - USB 2.0 to ATA Bridge | Infineon
CY7C68321C-56LFXC

CY7C68321C-56LFXC - USB 2.0 to ATA Bridge | Infineon

The Infineon Technologies CY7C68321C-56LFXC is a USB 2.0 to ATA/ATAPI bridge controller based on the EZ-USB AT2LP architecture, with USB high-speed peripheral connectivity, CompactFlash support, and a 56-pin VQFN package measuring 8 x 8 mm. The device bridges USB storage traffic to an ATA or ATAPI interface while providing board-level manufacturing-test support through its USB interface. A USB-to-ATA bridge is an interface controller that translates commands and data between a USB host and an ATA-compatible storage device. Within the broader hierarchy, it is a USB interface IC, peripheral controller, storage-interface bridge, and semiconductor. Its principal design role is to allow a USB-equipped computer or embedded system to communicate with an ATA or ATAPI peripheral without implementing the complete protocol conversion in system firmware or external logic. Key features include support for CompactFlash and one ATA or ATAPI device, USB 2.0 operation, and a manufacturing-test mode accessible through the USB interface. The controller can place its ATA interface in a high-impedance state, allowing the ATA bus to be shared with another controller such as an IEEE-1394 controller. This bus-isolation capability is valuable in systems that need to transfer ownership of the storage bus between interfaces. The 56-VQFN arrangement supports compact integration in storage adapters, dock equipment, portable media systems, and industrial data-acquisition products. Its surface-mount construction reduces board area compared with a larger leaded package, although exposed-pad thermal management and careful high-speed USB layout remain important. The C suffix identifies the specific ordered device configuration, while the 56 suffix identifies its 56-pin package configuration. Typical applications include USB-to-CompactFlash readers, ATA storage adapters, industrial removable-media systems, manufacturing-test fixtures, and legacy equipment that adds a USB storage interface. In each case, the bridge consolidates protocol conversion in a dedicated controller and leaves the host software with a standard USB storage interface. Designers should follow the manufacturer datasheet when assigning the 56-pin footprint, USB routing, ATA or ATAPI traces, power rails, decoupling capacitors, and exposed-pad connections. USB differential routing and the ATA interface require controlled impedance and short return paths, while adequate input and output bypassing helps prevent conducted noise from disturbing attached storage devices. This page combines the documented bridge features, package information, compatible family references, comparison data, and practical integration guidance into a focused engineering resource for USB-to-ATA storage designs.

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CY8C20110-SX2I - 10-Input CapSense Controller | Infineon
CY8C20110-SX2I

CY8C20110-SX2I - 10-Input CapSense Controller | Infineon

The Infineon Technologies CY8C20110-SX2I is a CapSense Express touch-sensing controller with 10 configurable CapSense I/O pins, support for 4 to 10 capacitive buttons, and an I2C control interface in a 16-pin SOIC package. It operates from a 2.4 V to 2.9 V supply and is specified for ambient temperatures from -40°C to 85°C. A capacitive touch controller is a specialized input interface IC that detects changes in capacitance caused by a user's finger or conductive object. It belongs to the broader capacitive-sensing controller category, which combines analog front-end measurement, configurable button logic, and digital communication. Unlike a mechanical switch, a CapSense controller can provide sealed user interfaces, compact layouts, and configurable behavior without exposing moving electrical contacts. The CY8C20110 supports four to ten capacitive buttons through its 10 CapSense I/O resources. Its I2C interface provides a straightforward connection to a host microcontroller for configuration and status communication. Configuration is stored in onboard nonvolatile memory so that the controller can load its operating configuration automatically at power-on. The device is also optimized for LED dimming in backlight applications through 15 selectable duty cycles. The CY8C20110-SX2I combines sensing and control functions without requiring a separate host processor to perform basic touch detection. Its operating range of 2.4 V to 2.9 V suits low-voltage embedded systems where supply headroom is constrained. The industrial temperature rating of -40°C to 85°C supports operation across commercial and industrial ambient environments when the complete assembly is designed and tested for those conditions. Typical uses include appliance control panels, compact capacitive keypads, lighting controls, backlight dimming interfaces, and embedded touch buttons. In a keypad, multiple CY8C20110 I/O resources can support individual electrodes, while the host reads touch events over I2C. The device is particularly useful when the mechanical design requires a flush panel, sealed enclosure, or a product appearance based on illuminated capacitive controls rather than discrete switches. Designers should account for electrode geometry, guard components, environmental compensation, connector capacitance, and the effect of enclosure materials. The I2C bus must also be checked for address availability and pull-up requirements on the assembled system. Because the verified product information does not provide a complete public pin map, PCB designers should use the manufacturer pinout and reference design rather than infer connections from the package outline. This page combines verified manufacturer and distributor information, package and interface constraints, drop-in alternatives, application guidance, and design notes. It highlights where the CY8C20110-SX2I fits within capacitive user-interface designs and where replacement decisions require additional firmware, firmware-compatibility, and board-level validation.

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CY8C20111-SX1I - One-Button Capacitive Touch | Infineon
CY8C20111-SX1I

CY8C20111-SX1I - One-Button Capacitive Touch | Infineon

The Infineon Technologies CY8C20111-SX1I is a CapSense Express capacitive-touch controller for one touch button, featuring one general-purpose output and I2C/2-Wire connectivity in an 8-SOIC package. It is designed for compact human-interface applications where a single touch target must be detected reliably without a mechanical switch. The verified product data identifies the device as an 8-pin SOIC capacitive-touch controller; detailed electrical ratings and timing values require the manufacturer datasheet. A capacitive-touch controller is an integrated circuit that measures changes in capacitance caused by a conductive surface, typically a copper button or pad, and converts that change into a digital output. The CY8C20111 belongs to the broader hierarchy of capacitive sensing integrated circuits, touch controllers, interface controllers, and embedded mixed-signal semiconductors. CapSense controllers are useful in appliance controls, access panels, medical equipment, and industrial interfaces where sealed or low-profile controls are preferred. The verified listing identifies the CY8C20111 as the one-button member of the CapSense Express family. The same source states that CY8C20121 supports two capacitive sensing buttons and two general-purpose outputs, while CY8C20111 supports one capacitive sensing button and one general-purpose output. This distinction is important when comparing the devices: the one-button CY8C20111 may be the simpler choice for a single touch zone, whereas CY8C20121 provides additional sensing and output resources. The I2C/2-Wire interface allows the controller to participate in a host-controlled embedded system rather than operating as a completely independent user interface. Designers should confirm host address, serial timing, pull-up requirements, firmware behavior, and electrical limits against the manufacturer datasheet before finalizing the interface. The 8-SOIC package supports conventional surface-mount assembly, although the verified material does not provide dimensions or pin numbering. Typical use cases include touch panels for household appliances, compact control modules, equipment front panels, and low-profile controls where a conventional mechanical switch would be undesirable. The capacitive sensing electrode should be designed with the controller’s recommended layout, guarding, shield, and grounding techniques. Environmental factors such as moisture, nearby conductors, enclosure materials, and human-body loading can affect sensor performance. The CY8C20111-SX1I is best suited to designers seeking a dedicated one-button touch controller with serial connectivity in an established SOIC footprint. Before purchasing, verify current lifecycle status, pricing, availability, temperature range, supply voltage, operating current, output timing, and the exact pinout using the latest manufacturer documentation. This page combines verified distributor identification, package and interface information, source traceability, and application guidance. It does not infer electrical limits, pricing, pin names, or compliance claims that are absent from the supplied data.

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CY8C20121-SX1I - 10-IO Touch Controller | Infineon
CY8C20121-SX1I

CY8C20121-SX1I - 10-IO Touch Controller | Infineon

Infineon CY8C20121-SX1I is a CapSense Express capacitive-sensing controller with 10 configurable I/Os, including support for one 10-segment capacitive slider, in an 8-pin SOIC package. The device combines capacitive touch detection with general-purpose I/O functions for buttons, LEDs, and interrupt signals, making it suitable for compact human-interface control boards. A capacitive controller is a semiconductor that detects changes in capacitance caused by a conductive object approaching or touching a sensor electrode. CapSense Express controllers belong to the capacitive-sensing controller hierarchy, where programmable I/Os, sensing electrodes, and application-specific control logic are integrated into a single device. This reduces the number of discrete components required for keys, sliders, lighting, and interface signaling. The verified product information identifies 10 configurable I/Os. These can support one capacitive sensing slider with 10 segments, while the remaining I/Os can operate as buttons or GPIOs for functions such as driving LEDs or producing interrupt signals based on button conditions. The available documentation also associates the family with configurable touch-button and touch-interface functions. The CY8C20121-SX1I is identified as an industrial-temperature variant in the part-number documentation. Its 8-pin SOIC format supports conventional surface-mount PCB assembly and is appropriate for compact control modules where component height and routing simplicity matter. Because the verified excerpts do not provide operating voltage, flash size, clock rate, or electrical timing values, those parameters remain subject to the manufacturer datasheet and device characterization. Typical uses include consumer touch controls, appliance interfaces, industrial panels, access controls, compact keypads, and LED-feedback touch buttons. In a slider design, the controller evaluates the distributed capacitance among sensor segments and reports the selected position through its configurable interface. In a button design, the same device can combine touch detection with direct GPIO behavior and conditional interrupt signaling. Designers should confirm the exact pin assignments, sensor configuration method, supported operating voltage, and firmware requirements before layout release. A two-layer implementation should preserve short sensor traces, provide an unobstructed sensor-to-electrode connection, and follow the grounding and reference layout specified by the manufacturer datasheet. The package's exposed functions should also be checked against the intended button, slider, LED, and interrupt allocation. This product page consolidates verified distributor pricing, package information, configuration capabilities, and practical design considerations. It also separates documented facts from unavailable electrical details and avoids presenting unverified drop-in equivalents as guaranteed replacements.

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CY8C20132-LQXI - CapSense Express Microcontroller | Infineon Technologies
CY8C20132-LQXI

CY8C20132-LQXI - CapSense Express Microcontroller | Infineon Technologies

Infineon Technologies CY8C20132-LQXI is a CapSense Express embedded microcontroller in a 24-QFN package. The verified distributor listings identify the device as a microcontroller IC, while application-specific details such as program memory, RAM, I/O count, clocking, and electrical ratings were not included in the supplied source records. Its CapSense Express designation places it in the capacitive-sensing and embedded-control market, where the device is intended to combine touch sensing, control logic, and embedded processing in one integrated component. The exact electrical and functional characteristics should therefore be confirmed in the manufacturer datasheet before schematic capture, firmware development, or production release. What is a CapSense Express microcontroller? It is an embedded microcontroller category designed to support capacitive-touch user interfaces together with digital control functions. In the broader hierarchy, a microcontroller is a programmable semiconductor containing a processor core, memory, peripherals, and I/O; a CapSense device adds touch-sensing capabilities intended for buttons, sliders, trackpads, and similar interfaces. This makes the part relevant to human-interface and control designs where touch sensing and embedded logic are consolidated rather than implemented as separate components. The most reliable package information available from the supplied results is 24-QFN. The exact body dimensions, pin assignments, exposed-pad arrangement, and recommended land pattern were not provided, so those values remain datasheet-dependent. The verified sources identify Infineon Technologies and Cypress Semiconductor Corp. in different distributor records, reflecting the product’s manufacturer and legacy branding history. Firmware compatibility, peripheral availability, memory size, and lifecycle status should be checked against the current manufacturer documentation. Typical design uses include capacitive touch controls, human-interface modules, industrial panels, consumer controls, and embedded products requiring a compact sensing-and-control solution. The part should not be selected solely from the distributor category label; engineers should verify the required touch channels, scan method, ADC or comparator resources, communication peripherals, memory, and GPIO count in the datasheet. Those missing parameters are especially important when replacing an existing Cypress or PSoC-family design. For robust implementation, preserve the manufacturer-recommended decoupling, exposed-pad thermal layout, and pin-specific routing guidance. Confirm the exact suffix interpretation before ordering, because the LQXI package and ordering code may encode qualification, temperature, and production options that are not visible in the supplied search results. This page distinguishes verified listing data from specification fields that require manufacturer-documentation confirmation.

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CY8C20134-12SXI - 8-Bit 12MHz CapSense PSoC 1 MCU | Cypress
CY8C20134-12SXI

CY8C20134-12SXI - 8-Bit 12MHz CapSense PSoC 1 MCU | Cypress

The Infineon Technologies (formerly Cypress Semiconductor) CY8C20134-12SXI is a CAPSENSE CSA PSoC 1 programmable system-on-chip microcontroller built around the M8C 8-bit CPU core, clocked at 12 MHz, with 8 KB (8K x 8) of flash program memory, 0.5 KB (512 x 8) of SRAM, and 6 general-purpose I/O in an 8-pin SOIC (0.154 in / 3.90 mm width) package. A microcontroller is the central embedded control element of a product: it executes firmware, reads sensors, drives outputs, and manages power sequencing. The PSoC (Programmable System-on-Chip) family extends that role by integrating configurable analog and digital peripherals - counters, timers, comparators, serial interfaces, and capacitive sensing - onto the same die as the CPU. In the product hierarchy, CY8C20134-12SXI sits at MCU -> 8-bit microcontroller -> mixed-signal PSoC -> capacitive sensing controller -> power management and sensing subsystem. Key differentiators include the dedicated CAPSENSE capacitive sensing array (CSA), which supports buttons, sliders, touchpads and proximity sensors with configurable sense elements, plus on-chip flash for in-circuit firmware storage, an internal oscillator, and a low pin count that keeps the footprint to 8 leads. These features let a designer replace a discrete button, metal pad, or proximity target with a glass or plastic user interface while keeping the BOM and PCB area small. Technically the device combines an 8-bit M8C core with 8 KB flash and 512 bytes of SRAM, and its I/O pins are multiplexed with the CapSense block so that sensing channels can be traded against general-purpose pins. Because the CSA operates with the same silicon as the digital logic, the sensing front end avoids the discrete bridge or resistive ladder networks used in older touch designs. Programming is handled through the PSoC Creator tool chain, and the same family covers capacitive sensing, general mixed-signal control, and low-cost user interface tasks. Typical applications include capacitive control panels for kitchen and home appliances, proximity-activated backlights in automotive interiors, touch-sensing remote controls, low-cost sensor conditioning nodes, and small appliance motor or dimming control boards. The 8-SOIC outline makes it directly usable in through-hole industrial control boards where a larger QFN package would be impractical. When designing around this device, plan the CapSense PCB layer with clean, well-defined sensor pads, keep the CSA sensor traces short and away from switching nodes, and confirm that the firmware's tuning parameters match the physical electrode geometry. Note also that the 8-pin footprint limits the number of independent CapSense electrodes, so applications needing more channels should be routed to a larger member of the CY8C20xxx family. This page consolidates manufacturer ordering information, memory and package specifications, drop-in alternatives, comparison parameters and practical design guidance into one engineering reference so you can qualify the part quickly.

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CY8C20140-SX21 - CapSense Express Touch Controller | Cypress
CY8C20140-SX21

CY8C20140-SX21 - CapSense Express Touch Controller | Cypress

The Cypress Semiconductor CY8C20140-SX21 is a CapSense Express-10 configurable I/O controller for capacitive touch buttons and sliders, packaged in a surface-mount SOIC-16 package. The device supports up to 10 configurable I/O channels that can be assigned to capacitive sensing buttons, a 10-segment slider, general-purpose I/O, LED driving, or interrupt signaling according to the verified manufacturer and distributor descriptions. Its capacitive-sensing architecture is intended to replace mechanical switches in compact consumer, industrial, and appliance interfaces. A capacitive touch controller is a specialized semiconductor that detects changes in capacitance caused by a user's finger or conductive object. The CY8C20140-SX21 belongs to the CapSense Express family, a configurable touch-control and GPIO platform within the broader microcontroller and human-interface IC category. Compared with mechanical switches, capacitive sensing supports sealed panels, flexible control surfaces, LED feedback, and programmable button behavior without exposing moving contacts to dust, moisture, or wear. The verified data identifies support for four to ten capacitive sensing buttons, one configurable 10-segment capacitive slider, and additional I/O resources for LEDs or interrupt outputs. Configuration is performed through an I2C interface, and operating parameters can be stored in onboard nonvolatile memory so that the controller can load its configuration automatically at power-on. This combination supports both development flexibility and production designs requiring deterministic startup behavior. The CY8C20140-SX21 is particularly useful when a product needs a small number of touch inputs without using a general-purpose MCU. A slider can provide directional or level control, while remaining channels can serve as buttons or GPIOs. The verified sources identify the controller as a CapSense Express-10 device and describe configurable I/O behavior, but they do not provide a complete electrical limit table, recommended capacitor values, temperature range, or detailed timing characteristics. Typical applications include appliance control panels, consumer-electronics keypads, compact industrial interfaces, and embedded products that combine capacitive buttons with LED indication. The controller can be placed beside a PCB-mounted or panel-mounted sensor electrode and connected to a host controller through I2C. Designers should verify the complete datasheet electrical characteristics, electrode configuration, power sequencing, and firmware configuration method before finalizing a new PCB. This page distinguishes verified product facts from unavailable detailed parameters, links the original manufacturer and distributor references, and provides application guidance, comparison parameters, and replacement considerations for engineers evaluating the CY8C20140-SX21. Detailed values not present in the supplied sources are explicitly marked as unavailable rather than inferred.

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CY8C20140-SX2I - 4-Key CapSense Controller | Infineon
CY8C20140-SX2I

CY8C20140-SX2I - 4-Key CapSense Controller | Infineon

The Infineon CY8C20140-SX2I is a CapSense Express capacitive-touch button controller with four configurable I/O inputs, a 3 V supply, and a 16-pin SOIC package. It combines capacitive sensing, GPIO functions, LED-driving capability, interrupt support, 2 kbit flash memory, and 512 bytes of RAM in one compact controller. The verified distributor listing identifies the device as a 16-SOIC capacitive-touch button controller, while an indexed datasheet excerpt describes configurable I/O for sensing buttons or driving LEDs and interrupts. A capacitive-touch controller is a semiconductor that detects changes in capacitance caused by a user touching an external conductive pad. In the broader hierarchy, the CY8C20140 belongs to capacitive sensing controllers, interface ICs, and embedded control devices. Its sensing algorithm is designed for high sensitivity and low noise, with claimed immunity to RF and AC noise and low radiated EMC noise. This makes it useful where physical buttons must remain reliable on sealed, compact, or cosmetic control surfaces. The device supports applications with four, six, eight, or ten capacitive inputs according to the verified product description, although the selected CY8C20140 listing is specifically categorized as a 16-SOIC part. Firmware and configuration are handled through an I2C interface, and configuration can be stored in onboard nonvolatile memory for automatic loading at power-on. The available data identifies 2 kbits of density and 2 KB of flash storage; these values are retained exactly as provided rather than inferred into unsupported detail. The controller is suitable for appliance control panels, access controls, audio equipment, industrial interfaces, and consumer products. A four-button panel can use the configurable I/O for sensing electrodes or auxiliary functions, while the host processor reads status and handles higher-level behavior. Designers should confirm the exact pin functions, electrical limits, configuration procedure, and application circuit from the manufacturer datasheet before layout or firmware release. PCB implementation requires careful sensor-electrode geometry, grounding, shielding, and separation from noisy switching nodes. The available verified excerpts emphasize broad support for sensor capacitance, sensor shapes, sensor sizes, and noise immunity, but do not provide enough data to state precise layout dimensions or timing values. Use the manufacturer guidance for those details rather than extrapolating from generic touch-controller layouts. This page consolidates distributor availability, manufacturer-oriented search results, indexed datasheet excerpts, and replacement research for CY8C20140-SX2I. The supplied evidence does not include a current unit price, complete pinout, or verified list of same-package substitutes; those gaps are explicitly marked instead of being filled with guesses.

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