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PI7C7300DNAE - 3-Port PCI-to-PCI Bridge | Diodes
PI7C7300DNAE

PI7C7300DNAE - 3-Port PCI-to-PCI Bridge | Diodes

Diodes Incorporated PI7C7300DNAE is a three-port PCI-to-PCI bridge interface IC designed for bridging conventional PCI bus traffic in embedded and industrial systems. It operates from a 3.3 V to 3.6 V supply, is specified at 660 mA, and is housed in a 272-ball PBGA package measuring 27 mm by 27 mm. The PI7C7300DNAE is a surface-mount interface device intended for designs requiring centralized PCI host-bus expansion and translation between PCI transactions and a downstream PCI segment. A PCI-to-PCI bridge is an interface IC that extends a PCI host bus through a transparent bridge while preserving transaction handling across the bus boundary. Within the broader semiconductor hierarchy, it is a specialized bus-interface controller and therefore part of the interface IC category. Its three-port architecture allows multiple PCI resources to be organized behind a shared upstream interface, reducing the need for separate host bridges when system expansion, monitoring, or industrial add-in cards must share a PCI connection. The PI7C7300DNAE operates with a 3.3 V to 3.6 V core supply and is rated for 660 mA. Its three-port configuration is the principal functional feature for systems that must consolidate more than one downstream PCI connection. The 272-PBGA, 27 mm by 27 mm package provides a high pin count for the address, data, control, arbitration, clock, and power interfaces associated with a multiport bridge. Surface-mount construction supports automated assembly but requires careful escape routing and multilayer PCB planning. Technically, the device belongs to the conventional PCI interface generation rather than a compactPCI, PCIe, or USB bridge. Conventional PCI systems separate address and data signaling and use dedicated control, arbitration, interrupt, and clock resources. The three-port topology therefore requires validation at the system level to confirm arbitration behavior, interrupt routing, bus ownership, and the electrical loading introduced by every connected card or module. Typical implementation areas include industrial PCI expansion systems, embedded test equipment, data-acquisition controllers, legacy communication adapters, and PCI carrier systems that need multiple downstream resources. A three-port bridge is especially useful when three downstream bus segments require coordinated operation, but the complete system must remain within the electrical, protocol, and timing limits defined by the manufacturer datasheet. A critical design consideration is the 272-ball BGA layout. The PCB should use the manufacturer land pattern, controlled escape routing, and uninterrupted reference planes for the many high-speed bus signals. Power and ground distribution should be evaluated for the specified 660 mA operating point, with attention given to simultaneous switching activity, connector loading, thermal performance, and the clock and signal-integrity requirements of the target PCI topology. This page organizes the PI7C7300DNAE electrical limits, package information, sourcing questions, functional alternatives, and design considerations into one engineering reference. It also distinguishes true pin-compatible replacements from broader PCI-bridge alternatives, helping designers assess whether a candidate can occupy the same 272-ball footprint or merely provides a similar bus-bridging function.

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PI7C8140AMAE - PCIe-to-PCI Bridge | Diodes Incorporated
PI7C8140AMAE

PI7C8140AMAE - PCIe-to-PCI Bridge | Diodes Incorporated

Diodes Incorporated PI7C8140AMAE is a dedicated PCIe-to-PCI bridge interface IC with one PCI Express port and one 32-bit/66 MHz PCI port, supplied in a 128-FQFP package measuring 14 x 20 mm. The device supports reversible bridging, allowing the PCIe-to-PCI or PCI-to-PCIe direction to be configured according to system requirements. It is intended for systems that need to connect a legacy parallel PCI subsystem to a serial PCI Express host interface. A PCI-to-PCI bridge is an interface IC that translates transactions between unlike bus architectures. PCI Express uses serial, point-to-point links, while conventional PCI is a parallel, shared bus. The PI7C8140AMAE acts as the protocol and electrical boundary between these two domains, helping system designers retain PCI-compatible expansion equipment while upgrading the primary interconnect to PCIe. The verified product information describes the bridge as a two-port device with a 32-bit/66 MHz PCI interface. The main verified differentiation is reversible operation. Instead of implementing only one fixed bridge direction, the PI7C8140AMAE can be configured for forward or reverse bridging. This flexibility is useful in test equipment, embedded platforms, industrial controllers, and legacy PCI cards that must interoperate with a PCIe host system. The physical implementation uses 128 leads in an FQFP package, providing the pin resources required by the bridge and its associated I/O and power connections. The supplied distributor listings identify the part as a PCI-to-PCI Bridge Interface IC and explicitly describe it as a two-port bridge containing one PCI Express port and one 32-bit/66 MHz PCI port. They also identify a 128-FQFP, 14 x 20 mm package. Detailed operating limits, electrical characteristics, clocking requirements, power rails, signal names, and full pin assignments were not included in the verified dataset and therefore are not inferred here. Those values must be confirmed from the manufacturer datasheet before layout or qualification. In a typical system, the bridge would sit between a PCIe root complex and a legacy PCI bus segment. The downstream PCI devices exchange parallel bus transactions with the bridge, while the bridge serializes those transactions for transmission over PCIe. Reversible configuration can also place the bridge in the opposite direction when the host and target roles require it. Correct clocking, reference-voltage, termination, decoupling, and trace routing remain essential in high-speed implementation. This product page combines the verified distributor and manufacturer-linked data with package, sourcing, comparison, and design guidance that is not available as a single consolidated source. It also distinguishes confirmed facts from values that require the complete datasheet, helping engineers identify what can be used for initial component selection and what still needs verification before PCB release.

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PI7C8148ANJE - 2-Port 32-Bit 66MHz PCI Bridge | Diodes
PI7C8148ANJE

PI7C8148ANJE - 2-Port 32-Bit 66MHz PCI Bridge | Diodes

Diodes Incorporated PI7C8148ANJE is a 2-port PCI-to-PCI bridge interface IC built for 32-bit PCI systems operating at up to 66 MHz. The device is supplied in a 160-LFBGA package measuring 15 x 15 mm, with tray mounting and a 3 V to 3.6 V operating supply range. A PCI bridge is an interface integrated circuit that connects two PCI bus segments and allows devices on one segment to communicate with devices on another. In the PCI hierarchy, the PI7C8148ANJE sits between a host or upstream PCI bus and a downstream PCI segment. Its 32-bit, 66 MHz capability makes it relevant to legacy PCI expansion, embedded system integration, industrial control, and legacy industrial computing platforms where a single bus cannot directly reach all peripherals. The main verified device characteristics are the 2-port PCI-to-PCI architecture, 32-bit PCI data width, 66 MHz operating frequency, 3 V to 3.6 V supply range, and 160-LFBGA (15 x 15 mm) package. These specifications define the electrical and mechanical envelope for the component. The package uses surface-mount LFBGA construction, requiring a PCB land pattern with controlled escape routing and careful via placement beneath the device. The bridge is intended to provide transparent PCI bus segmentation where upstream and downstream agents must share a PCI bus. Using a bridge allows more physical distance between bus loads than a single shared segment may support, while preserving protocol handling within the PCI interface domain. Designers should confirm arbitration, interrupt routing, clocking, and downstream-bus loading against the manufacturer datasheet before finalizing a system. Typical uses include legacy PCI industrial controllers, PCI-to-PCI embedded adapters, test equipment, communication systems, and expansion systems that must retain a 32-bit 66 MHz PCI interface. The 160-LFBGA package is most appropriate for multilayer PCB designs where fine-pitch routing and adequate ground-plane continuity can be implemented. The main design consideration is package complexity. A 160-LFBGA footprint is more demanding than a leaded package for assembly, inspection, and repair, so designers should provide adequate via-in-pad or via fanout options, a continuous reference plane, and process controls for solder bridging. The 3 V to 3.6 V supply requirement also means the bridge must be integrated with a compatible 3.3 V power rail and correctly decoupled at its supply pins. This page consolidates the verified distributor and manufacturer-linked information for PI7C8148ANJE, provides practical packaging and PCB guidance, and distinguishes confirmed parameters from information that must be confirmed in the manufacturer datasheet before production release.

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PI7C8148BNJE - 32-Bit PCI-to-PCI Bridge | Diodes Incorporated
PI7C8148BNJE

PI7C8148BNJE - 32-Bit PCI-to-PCI Bridge | Diodes Incorporated

The Diodes Incorporated PI7C8148BNJE is a PCI-to-PCI bridge interface controller for 32-bit, 66 MHz PCI bus systems, supplied in a 160-LFBGA (15x15 mm) package. It is designed to bridge separate PCI bus segments and operates from a 3.3 V supply, with a stated operating range of 3 V to 3.6 V. The device is categorized as a line and bus controller within the interface IC market, providing a standardized way to connect PCI-compatible devices or subsystems across a PCI-to-PCI link. A PCI bridge is a type of interface controller that connects two PCI bus domains while preserving the electrical and protocol behavior expected by PCI peripherals. The PI7C8148BNJE is intended for embedded systems, industrial equipment, communications platforms, and test systems that require a dedicated bridge rather than a direct connection between PCI devices. Its 32-bit bus width and 66 MHz operating frequency match the PCI bus-generation requirements identified in the verified product data. The principal electrical characteristics available from the verified sources are a 3.3 V operating supply, a 3 V to 3.6 V supply-voltage range, and a 0 °C to 85 °C commercial operating-temperature range. The 160-LFBGA package provides a compact surface-mount implementation for space-constrained board designs. The verified distributor descriptions identify the part as a two-port PCI-to-PCI bridge interface, while the available technical listing identifies it as a 32-bit, 66 MHz PCI bridge chip. Because the product data does not include a complete manufacturer electrical table, detailed specifications such as absolute maximum ratings, quiescent current, propagation delay, PCI signal-level thresholds, and package thermal resistance are recorded as data-needed rather than estimated. The available data also identifies the part as active in one distributor listing and confirms distribution through multiple channels, including DigiKey, Mouser, LCSC, and Octopart. Price and lead-time information should therefore be checked against the current distributor offer for the exact MPN. Typical application considerations include host-adapter boards, embedded PCI expansion systems, industrial control equipment, and PCI-compatible communication or test platforms. The key design issue is ensuring that the bridge, power supply, clocking, and downstream PCI devices comply with the system’s PCI timing, impedance, and power-budget requirements. A compact 160-LFBGA footprint also demands careful PCB layout, thermal analysis, and assembly-process control. This page combines the verified supplier specifications, package and pricing references, cross-reference candidates, and practical engineering considerations to provide a concise purchasing and design reference for the PI7C8148BNJE.

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PI7C8150AMAE - 2-Port 66MHz PCI Bridge | Diodes Incorporated
PI7C8150AMAE

PI7C8150AMAE - 2-Port 66MHz PCI Bridge | Diodes Incorporated

Diodes Incorporated PI7C8150AMAE is a 2-port PCI-to-PCI bridge controller operating at up to 66 MHz and supplied from 3.3 V. The device is packaged in a 208-pin FQFP measuring 28 mm by 28 mm. According to the verified distributor and technical-source data, it is classified as a PCI interface bridge and line or bus controller, making it suitable for systems that need to bridge two PCI bus segments while preserving legacy peripheral compatibility. A PCI bridge is an interface IC that connects two Peripheral Component Interconnect bus segments and manages transaction flow between host and peripheral devices. Within the broader semiconductor hierarchy, this component is a PCI interface IC, a bus controller, and an integrated circuit intended for computer expansion and embedded legacy I/O systems. The PI7C8150AMAE specifically combines a 2-port topology with a 66 MHz maximum PCI clock and a 3.3 V supply requirement. The principal verified characteristics are a 2-port PCI-to-PCI configuration, a 66 MHz maximum operating clock, a 3.3 V supply voltage, and a commercial operating-temperature range of 0°C to 85°C. These specifications make the bridge relevant to PCI industrial controllers, embedded computer platforms, communication equipment, test systems, and industrial adapters that still rely on parallel PCI infrastructure. Its large FQFP footprint provides the physical pin count expected for two independently bridged PCI interfaces. The PI7C8150AMAE is a legacy interface device rather than a general-purpose processor, so its design value depends on maintaining a compatible host bus, connector arrangement, termination network, clocking scheme, and software configuration. A bridge installation must account for the 3.3 V supply requirement, the 0°C to 85°C operating range, and the pin-intensive 208-pin FQFP layout. The verified source snippets do not provide the complete electrical timing tables, maximum current ratings, internal divider values, or the complete pin assignment. Typical deployment uses place the bridge between a primary PCI bus and a secondary PCI segment. Because the component is a two-port bridge, it can support bus-segment connectivity without the external discrete buffering normally required when extending a PCI topology. Integration can reduce board complexity, although the FQFP package requires careful escape routing, ground-plane continuity, and compliant power distribution. The 66 MHz clock limit also defines the performance envelope for attached PCI peripherals. Designers should verify all timing, electrical, reset, clock, and pin-level requirements against the manufacturer datasheet before layout or procurement. In particular, verify PCI specification support, bus-width details, input and output current limits, enable sequencing, peripheral connect/disconnect behavior, and the exact meaning of all 208 pins. Distributor availability and pricing should also be checked because the visible search data does not establish a uniform quantity-price schedule for this exact MPN. This page consolidates verified distributor and manufacturer-source references, separates known specifications from missing technical fields, and identifies a same-family base-frequency alternative for engineers who need a drop-in comparison. The data also records the package, operating conditions, sourcing links, and the technical checks required for a safe PCI-bus integration rather than inferring unverified timing or pin values.

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PI7C8150AND-33 - 2-Port 33MHz PCI Bridge | Diodes
PI7C8150AND-33

PI7C8150AND-33 - 2-Port 33MHz PCI Bridge | Diodes

The Diodes Incorporated PI7C8150AND-33 is a two-port PCI-to-PCI bridge interface IC operating at 33 MHz and packaged in a 256-pin PBGA measuring 17 x 17 mm. The device bridges conventional PCI bus domains, supporting system designs that require a host bus and an additional PCI bus segment to communicate through a dedicated interface controller. A PCI-to-PCI bridge is an interface integrated circuit used to extend and isolate conventional Peripheral Component Interconnect bus segments. It belongs to the PCI interface controller class, the interface IC hierarchy, and the broader semiconductor category. Its primary function is to translate and coordinate bus transactions so that devices on separate PCI segments can communicate while each segment operates as an independent bus. The PI7C8150AND-33 provides two PCI ports, a 33 MHz operating frequency, and a 256-pin PBGA package. Its 17 x 17 mm ball-grid-array construction supports dense board layouts where fine interconnect pitch and many power, ground, and signal connections are required. Current ratings, voltage limits, electrical timing, host interfaces, and supported PCI signaling modes should be confirmed in the manufacturer datasheet before schematic or layout release. This bridge architecture is useful in embedded industrial controllers, legacy PCI expansion systems, test equipment, communication appliances, and embedded computing platforms that still depend on conventional PCI topology. The two-port organization allows a motherboard or mezzanine design to divide devices across multiple bus segments instead of placing every device on one shared PCI bus. The principal engineering trade-off is board complexity. A 256-pin PBGA requires careful escape routing, multilayer construction, ball assignment review, and assembly-process control. Power delivery and return paths must also support the bridge's switching and I/O requirements while minimizing crosstalk on high-fanout bus signals. Use the manufacturer pin-description table to assign every power, ground, clock, reset, interrupt, and PCI data contact. Confirm the complete board stack-up, ball-map orientation, decoupling strategy, and manufacturing rules before release because the public product summary does not provide a complete production pin list. This page organizes the verified device identity, package information, sourcing path, family relationship, and practical integration considerations into a concise engineering reference. It also highlights the distinction between the ordered -33 configuration and related PI7C8150 family members without substituting unverified performance claims.

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PI7C8150ANDE - 66MHz 2-Port PCI Bridge | Diodes Incorporated
PI7C8150ANDE

PI7C8150ANDE - 66MHz 2-Port PCI Bridge | Diodes Incorporated

The Diodes Incorporated PI7C8150ANDE is a specialized PCI-to-PCI bridge interface IC designed for extending or bridging PCI bus systems. The device operates at a maximum clock frequency of 66 MHz, supports two PCI ports, and is supplied in a 256-pin PBGA package measuring 17 x 17 mm. It is intended for legacy PCI expansion, industrial computer, embedded controller, and test-system architectures where an additional PCI-to-PCI interface is required. A PCI bridge is an interface-controller device that connects two PCI bus segments and helps manage transaction translation, arbitration, and the electrical protocol requirements of the Peripheral Component Interconnect bus. In the system hierarchy, the PI7C8150ANDE is a bus controller and interface IC, which belongs to the broader semiconductor and computer-interface ecosystem. The verified product information identifies it as a two-port PCI bridge operating at 66 MHz. The PI7C8150ANDE uses a 3.3 V supply according to the available specification data. The listed maximum supply voltage is 3.6 V, and the reported operating temperature range is 0 to 85 degrees C, or 32 to 185 degrees F. These figures make the component suitable for systems built around conventional 3.3 V PCI interfaces, provided the surrounding equipment remains within the specified environmental range. The 256-PBGA package provides the required dense interconnect arrangement for a high-speed, multi-signal bridge device. Because the available verified results do not provide the complete pin assignment, detailed timing tables, power-consumption values, or electrical characteristics, those parameters should be confirmed against the manufacturer datasheet before final PCB release. The package footprint, signal integrity, power-plane distribution, and PCI connector routing are especially important in a 66 MHz PCI design. Typical uses include PCI industrial motherboards, embedded PCI adapters, legacy workstation peripherals, test equipment, and systems that need a dedicated bridge between PCI host and target buses. The PI7C8150ANDE is best considered a specialized legacy-PCI solution rather than a general-purpose modern PCIe interface. For implementation, engineers should verify the exact PCI electrical requirements, I/O voltage, termination strategy, clock routing, and BGA assembly process against the datasheet. This page summarizes verified distributor and datasheet-search information, identifies the package and interface function, and highlights the data needed for a controlled hardware release.

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PI7C8150BMAE - 66MHz PCI-to-PCI Bridge | Diodes Incorporated
PI7C8150BMAE

PI7C8150BMAE - 66MHz PCI-to-PCI Bridge | Diodes Incorporated

The Diodes Incorporated PI7C8150BMAE is a 32-bit PCI-to-PCI bridge interface IC with two 32-bit PCI ports, asynchronous operation, and support for operation up to 66 MHz. It is packaged in a 208-pin FQFP measuring 28 mm by 28 mm. The device is designed to comply with PCI Local Bus Specification Revision 2.2 and provides a configurable bridge between primary and secondary PCI buses. A PCI-to-PCI bridge is an interface controller that extends a PCI local bus through a transparent transaction bridge. In the product hierarchy, this device is a bus controller, interface IC, and ultimately a semiconductor. The primary and secondary ports each operate at 32-bit width, allowing legacy PCI expansion systems, embedded modules, industrial controllers, and data-acquisition equipment to communicate across separate bus domains while preserving the electrical and transaction behavior expected from PCI Revision 2.2 systems. The verified device family supports asynchronous operation, meaning the primary and secondary interfaces do not require a shared clock. Both ports can run up to 66 MHz, while the PI7C8150B-33 family option is limited to 33 MHz. These characteristics distinguish the bridge from simpler endpoint devices: the PI7C8150BB family translates bus transactions between two PCI segments rather than terminating only one host bus. Its large 208-pin package also provides the substantial I/O and power connections required by two full 32-bit PCI interfaces. Mechanically, the MAE ordering code is associated with the 208-FQFP 28 mm by 28 mm package. The package is substantially larger than a modern low-pin-count interface IC, so its footprint imposes demanding PCB routing and assembly requirements. Exact pin names, exposed-pad connections, voltage tolerances, input thresholds, output timing, current limits, temperature ratings, and package thermal data were not included in the supplied verified records and must therefore be confirmed in the manufacturer datasheet before schematic capture or layout release. Typical applications include PCI-to-PCI expansion systems, embedded industrial control platforms, communications equipment, legacy data-acquisition chassis, and computer expansion products that require an additional bus segment. The asynchronous capability can simplify clock-domain planning when the two PCI segments do not operate in lockstep. However, system designers must still validate bus timing, termination, drive strength, isolation requirements, and power sequencing against the specific board configuration. The main design consideration is PCB complexity. Two full 32-bit PCI buses require careful point-to-point routing for address, data, control, interrupt, and clock signals, together with conservative return-path planning. Layout should minimize stubs, provide continuous reference planes, control crosstalk, and keep bypass connections close to the device. Because the verified data does not supply complete pinout or layout guidance, engineers should use the official Diodes PI7C8150B documentation rather than infer connections from third-party listings. This page consolidates the verified manufacturer description, distributor identification, package information, and product-family behavior into an engineer-oriented reference. It also distinguishes documented capabilities from missing electrical data and explains when a true pin-compatible replacement cannot be confirmed from the available cross-reference records.

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PI7C8150BMAIE - 66MHz PCI Bridge | Diodes Incorporated
PI7C8150BMAIE

PI7C8150BMAIE - 66MHz PCI Bridge | Diodes Incorporated

Diodes Incorporated PI7C8150BMAIE is an asynchronous PCI-to-PCI bridge interface IC with two 32-bit PCI ports, operation up to 66 MHz, a 3 V to 3.6 V supply range, and a 208-FQFP (28x28 mm) package. It is designed for systems that need one PCI bus segment to communicate with another through a transparent asynchronous bridge rather than a conventional host controller. A PCI-to-PCI bridge is an interface IC within the broader PCI interface controller hierarchy. It translates and arbitrates transactions between two PCI Local Bus segments, allowing compatible peripheral cards and bus masters on the secondary segment to access resources through the primary segment. The PI7C8150B family supports asynchronous operation, meaning its primary and secondary buses do not have to operate from one shared clock. The bridge's primary and secondary interfaces are both 32 bits wide, and the standard PI7C8150B supports operation up to 66 MHz. The PI7C8150B-33 family member provides a lower-frequency version rated to 33 MHz. A 3 V to 3.6 V core supply range supports integration into conventional 3.3 V PCI systems while avoiding the need for a 5 V-only interface arrangement. In a PCI system, the bridge can separate bus traffic between processor-side and expansion-card segments. Its asynchronous architecture is useful when the two sides run at different clock rates or when independent bus timing is preferred. The 208-pin FQFP exposes the numerous address, data, control, arbitration, and power pins required by two full 32-bit PCI interfaces. Typical uses include industrial PCI systems, embedded instrumentation, industrial control equipment, data-acquisition systems, and legacy PCI expansion platforms. In each case, the bridge must satisfy the PCI Local Bus electrical and transaction-routing requirements while preserving the intended peripheral ordering and arbitration behavior. PCB design should provide the required 3.3 V supply decoupling and route the many high-speed address and data signals with short, continuous paths. The manufacturer's pin-description table should be used directly when assigning all 208 package connections and when checking board constraints for this large fine-pitch bridge. This page combines manufacturer functionality, package and interface characteristics, drop-in replacement analysis, application guidance, and design cautions to support faster component selection and PCB implementation.

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PI7C8150BND - 2-Port 32-Bit PCI Bridge | Diodes Incorporated
PI7C8150BND

PI7C8150BND - 2-Port 32-Bit PCI Bridge | Diodes Incorporated

Diodes Incorporated PI7C8150BND is an asynchronous 2-port PCI-to-PCI bridge with 32-bit primary and secondary interfaces operating up to 66 MHz, housed in a 256-pin PBGA package measuring 17 mm by 17 mm. According to the manufacturer product page, the device supports asynchronous operation and is designed for compliance with the PCI Local Bus Specification Revision 2.2. A PCI-to-PCI bridge is a semiconductor interface controller that connects two conventional Peripheral Component Interconnect bus segments. It belongs to the interface-controller hierarchy, where a PCI bridge translates and arbitrates bus transactions between a host-side primary port and a peripheral-side secondary port. This device adds no external memory or cache to the system; instead, it provides the electrical and protocol interface needed to extend a 32-bit PCI topology. The PI7C8150B family provides 32-bit primary and secondary ports capable of running to 66 MHz, while the PI7C8150B-33 version is identified as a 33 MHz variant. Other advertised characteristics include asynchronous operation and PCI Local Bus Specification Revision 2.2 support. The PI7C8150BND ordering code is supplied in the 256-pin PBGA package with a 17 mm by 17 mm body, making package compatibility a primary screening criterion when evaluating any proposed replacement. The bridge architecture is intended for systems that require a secondary PCI segment rather than a compact serial interconnect. Its two independently referenced bus interfaces support legacy PCI topology expansion, while the 32-bit data path accommodates the width used by the PCI Local Bus Specification Revision 2.2. Engineers must still account for platform-specific voltage, clocking, termination, and signal-integrity requirements when integrating the device into a complete motherboard or embedded system. Typical uses include industrial PCI expansion, data-acquisition equipment, communication appliances, test systems, and embedded controllers that retain a conventional PCI host bus. Because this is a complex 256-pin BGA device, layout requires exact ball assignment, multilayer routing, solid return planes, and careful simultaneous-transition-noise control. Firmware must also enumerate the bridge and configure the secondary bus, so replacing it requires validation beyond comparing the package and nominal clock rate. For a new design, verify the manufacturer datasheet for voltage domains, I/O standards, clock requirements, reset behavior, electrical characteristics, and the complete ball map before committing a PCB footprint. For a repair, do not assume a related order code is interchangeable: suffix changes can represent package, temperature, lead-free, or speed variations. The verified distributor listings identify the device as a PCI interface IC and provide ordering and availability information, but they do not expose enough technical data to claim unqualified pin compatibility for every related suffix. This page consolidates manufacturer and distributor findings, verified package information, family-level operating details, sourcing links, and engineering-oriented selection guidance. It separates documented facts from unresolved electrical and mechanical details, allowing engineers to narrow a replacement before performing full datasheet, firmware, and signal-integrity validation.

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PI7C8150BNDE - 32-Bit 66MHz PCI Bridge | Diodes Incorporated
PI7C8150BNDE

PI7C8150BNDE - 32-Bit 66MHz PCI Bridge | Diodes Incorporated

Diodes Incorporated PI7C8150BNDE is a 32-bit asynchronous PCI-to-PCI bridge with two ports operating up to 66 MHz, supplied in a 256-pin PBGA package measuring 17 mm by 17 mm. The device is designed to comply with PCI Local Bus Specification Revision 2.2 and supports transfer operations between primary and secondary 32-bit PCI interfaces. A PCI-to-PCI bridge is an interface IC that connects two peripheral component interconnect buses and allows devices on one bus to communicate with resources on the other. In the interface hierarchy, the PI7C8150BNDE belongs to the PCI interface controller and bus-bridge category, where it provides protocol translation, transaction handling, and bus arbitration between conventional PCI domains. It is intended for established PCI systems rather than modern PCI Express designs. The PI7C8150B family provides 32-bit primary and secondary ports that run as fast as 66 MHz. Both bus interfaces support asynchronous operation, which allows the bridge to operate between systems whose bus timing is not synchronized. The PI7C8150B-33 member is distinguished by a maximum 33 MHz operating frequency, while the PI7C8150B family described by the manufacturer supports operation up to 66 MHz. As a PCI Local Bus Specification Revision 2.2 device, the bridge targets legacy parallel PCI infrastructure, including systems that require a secondary PCI bus behind a host bridge. Its 256-pin PBGA construction provides the dense pin access needed for two 32-bit PCI interfaces, associated control signals, clock inputs, power rails, and ground connections. The package is identified by distributors as a 17 mm by 17 mm 256-ball PBGA. Typical uses include industrial PCI adapter designs, embedded legacy PCI systems, industrial control equipment, data-acquisition systems, and PCI expansion chassis that require a bridge between primary and secondary buses. The asynchronous operating capability is particularly relevant when the connected PCI domains do not share identical clock timing. Designers must also account for the physical size, routing density, and power requirements of a 256-pin BGA package. The primary design consideration is that PI7C8150BNDE must be evaluated as a conventional PCI bridge rather than a PCI Express device. Board design requires exact BGA layout, controlled-impedance routing, adequate power-plane integrity, and compliance with the PCI Local Bus Specification Revision 2.2. Firmware and system configuration must also support the bridge and its bus-routing requirements. This page consolidates the verified manufacturer and distributor information for the PI7C8150BNDE, distinguishes the 66 MHz part from the 33 MHz PI7C8150B-33 option, and identifies same-family replacement candidates. Detailed electrical values, pricing, pin assignments, and lifecycle details remain explicitly marked where the supplied source data does not provide verified values.

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PI7C8150BNDI - Async 2-Port PCI Bridge | Diodes Incorporated
PI7C8150BNDI

PI7C8150BNDI - Async 2-Port PCI Bridge | Diodes Incorporated

Diodes Incorporated PI7C8150BNDI is an asynchronous 2-port, 32-bit PCI-to-PCI bridge interface IC packaged in a 256-pin plastic BGA measuring 17 mm by 17 mm. It is designed for asynchronous PCI Local Bus operation and compliance with PCI Local Bus Specification Revision 2.2. The bridge provides the central interface between two PCI bus segments, allowing compatible PCI devices and host systems to communicate across separate bus domains. A PCI bridge is an interface IC that connects one PCI Local Bus segment to another while coordinating bus ownership, transactions, arbitration, and protocol translation. Within the product hierarchy, the PI7C8150BNDI is a PCI interface controller, a bridge device, and an interface IC used in legacy PCI computer and industrial expansion systems. Its asynchronous architecture supports independently timed bus segments, which can help isolate traffic and extend usable system topology compared with placing additional loads directly on one shared PCI bus. Key verified features include asynchronous operation, two PCI ports, a 32-bit PCI data path, and support for PCI Local Bus Specification Revision 2.2. The device is identified by distributor listings as the PI7C8150BNDI 256-PBGA variant and as a 2-port, 32-bit PCI bridge. These characteristics distinguish it from ordinary endpoint devices because the bridge participates directly in PCI bus arbitration and forwards transactions between two host or peripheral bus segments. Technically, the bridge is intended to bridge PCI Local Bus domains rather than operate as a memory controller, serial transceiver, or conventional parallel processor interface. The asynchronous design is significant in systems where the two PCI segments do not share identical timing or loading conditions. Exact clock frequencies, voltage limits, transaction throughput, arbitration timing, reset requirements, and electrical characteristics were not included in the supplied verified data and therefore are not asserted here. Typical uses include industrial computers, embedded PCI expansion systems, test equipment, communications appliances, and legacy PCI-compatible platforms that require an additional bridged bus segment. In these applications, the bridge can separate devices onto a second PCI bus and reduce direct electrical loading on the primary segment. System designers must still validate electrical timing, firmware initialization, interrupt routing, and platform support before deployment. A primary design consideration is software and firmware compatibility. Because the device bridges an established PCI Local Bus architecture, operating-system support, BIOS or device-tree configuration, interrupt topology, and vendor reference designs must be confirmed for the target platform. Hardware review should also include the manufacturer's PI7C8150B documentation and the exact pin and layout requirements associated with the BNDI package suffix. This product page combines verified manufacturer and distributor facts, current sourcing information, structured technical context, and explicit data-gap markers. It is intended to help engineers evaluate the PI7C8150BNDI for legacy PCI bridging applications while clearly separating published facts from parameters that still require manufacturer-document review.

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PI7C8150DMAE PCI-to-PCI Bridge | Diodes Incorporated
PI7C8150DMAE

PI7C8150DMAE PCI-to-PCI Bridge | Diodes Incorporated

The Diodes Incorporated PI7C8150DMAE is a 2-port PCI-to-PCI bridge interface IC designed to connect two PCI bus segments in embedded and industrial computing systems. The device is associated with a 208-FQFP package measuring 28 mm by 28 mm, providing a high pin count for PCI data, control, power-management, and auxiliary signal routing. It is identified as an asynchronous PCI interface device, making it suitable for systems that need protocol bridging between separate PCI buses rather than simple point-to-point serial communication. A PCI-to-PCI bridge is a specialized interface semiconductor that translates and buffers transactions between two Peripheral Component Interconnect bus segments. It sits within the interface-IC and semiconductor hierarchy and can isolate traffic, improve bus fan-out, and support legacy PCI system architectures. The PI7C8150DMAE is particularly relevant to embedded industrial equipment, industrial control systems, legacy PCI expansion platforms, test equipment, and data-acquisition systems where a conventional PCI interface must be extended to another PCI segment. The Diodes Incorporated product listing identifies the PI7C8150DMAE as a PCI-to-PCI bridge interface with two ports. Its 208-FQFP package supports the numerous signals required by a conventional PCI bridge, while its size and pin count make careful high-speed layout essential. The available product information also identifies Tube packaging, lead-free construction, and RoHS status for this part. Tube packaging is intended for automated pick-and-place and board assembly, but the exact tube quantity and shipping configuration should be confirmed before production planning. The primary design consideration is signal integrity. Because the device bridges a parallel peripheral bus, routing must minimize trace-length mismatch, maintain continuous reference planes, provide proper termination, and avoid splits across PCB layers. Power and ground distribution also require careful treatment because multiple PCI signal groups and auxiliary functions can create simultaneous switching activity. A complete 208-pin symbol, pin names, and electrical limits cannot be reconstructed from the available product listings; use the manufacturer datasheet and its pin-description tables for layout and schematic work. PI7C8150DMAE is most appropriate when maintaining an existing PCI topology matters more than adopting a modern serial interconnect. Its selection should be based on the host bus, target bus, clocking requirements, interrupt routing, and the exact electrical characteristics defined in the manufacturer documentation. This page combines package information, application guidance, replacement constraints, and practical layout considerations to support early design decisions without inventing unverified electrical values.

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PI7C8150DNDE - 2-Port PCI Bridge | Diodes Incorporated
PI7C8150DNDE

PI7C8150DNDE - 2-Port PCI Bridge | Diodes Incorporated

Diodes Incorporated PI7C8150DNDE is a two-port asynchronous PCI-to-PCI bridge IC operating from a 3 V to 3.6 V supply and packaged in a 256-BGA surface-mount package measuring 17 mm by 17 mm. The device is supplied in tube packaging and is identified as a lead-free, RoHS-compliant interface circuit. A PCI-to-PCI bridge is an interface IC that connects two PCI domains or links within a computer system. It belongs to the broader PCI interface family, specialized interface controllers, and semiconductor hierarchy. Rather than providing a general-purpose processor function, this component translates and coordinates PCI traffic between compatible bus interfaces while preserving the electrical signaling required by the PCI architecture. The PI7C8150DNDE provides two PCI ports in a single package, reducing the number of discrete bridge devices needed when a system requires more than one interconnection path. Its 3 V to 3.6 V operating supply range supports conventional 3.3 V system rails. The 256-BGA package also offers a high pin count for routing the numerous address, data, control, clock, and power connections associated with two PCI interfaces. As an asynchronous bridge, the device is intended for systems in which the linked PCI interfaces do not share a common clock domain. This makes it useful in embedded computers, industrial controllers, communication appliances, and legacy PCI expansion systems where two PCI resources must be connected through a dedicated bridge. The exact bridge mode, protocol timing, and supported host configurations should be confirmed against the manufacturer datasheet before implementation. The 256-BGA package is a surface-mount solution intended for multilayer PCB assembly. Its 17 mm by 17 mm footprint allows access to the package's high pin count, but it also requires careful escape routing, power-plane distribution, and thermal design. Tube packaging is appropriate for production processes that use a compatible component-placement and tray-handling sequence. Designers should pay particular attention to signal integrity when routing the PCI bus through a fine-pitch BGA. Use continuous reference-plane return paths, minimize stub branches, apply device-decoupling recommendations, and observe the manufacturer layout requirements for the package. Because this is a complex interface IC rather than a power component, SOA is not applicable, and thermal qualification depends on the complete board environment. This product summary combines the verified package, supply-voltage, port-count, packaging, and environmental attributes with practical guidance for PCI bridge implementation, BGA layout, and system integration. It also identifies the absence of confirmed drop-in substitutes so engineers can validate interchangeability against electrical and pin-level requirements before redesigning a production PCB.

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PI7C8152AMAE - 2-Port 66MHz PCI-to-PCI Bridge | Diodes Incorporated
PI7C8152AMAE

PI7C8152AMAE - 2-Port 66MHz PCI-to-PCI Bridge | Diodes Incorporated

The Diodes Incorporated PI7C8152AMAE is a 2-port PCI-to-PCI bridge interface IC that provides fully compliant 32-bit, 66 MHz operation per the PCI Local Bus Specification Revision 2.2, operates from a single 3.3 V supply, and is packaged in a 160-pin MQFP (28x28 mm). It bridges one Primary Bus to two Secondary Buses, allowing legacy PCI add-in cards and peripherals to be expanded behind a single host bridge slot. A PCI bridge is a bus-controller IC that sits between two segments of the PCI Local Bus and manages arbitration, transaction forwarding, and the electrical buffering of shared signals. Within the taxonomy, PI7C8152AMAE is a PCI-to-PCI bridge, which is a type of PCI interface controller, which belongs to the broader class of bus interface ICs and therefore to the semiconductor and interface IC categories. Historically the Intel 21152 was the reference device for this function, and the PI7C8152 family was designed as its enhanced competitor. Key differentiating features of the PI7C8152A include support for synchronous bus transactions between devices on the Primary and Secondary Buses operating up to 66 MHz, two independent Secondary Bus ports, 32-bit PCI data width, and operation from a single 3.3 V supply. The MAE suffix denotes the industrial/commercial temperature option supplied in the 160-pin MQFP industrial package. Unlike the PI7C8152B, the PI7C8152A supports synchronous transactions only. Architecturally, the device combines separate primary and secondary bus controllers with a transaction scheduler, a 32-bit arbiter, and buffered address/data control lines. Buffering isolates the two bus segments electrically and lets the bridge absorb the loading of one extra bus level, which matters when several 32-bit expansion cards must share limited host-bridge fanout. Typical uses include industrial and instrumentation PC expansion slots, medical imaging and diagnostic systems, legacy server and test-equipment chassis, RAID and storage controllers on secondary buses, and industrial field-bus gateways that still expose legacy PCI mezzanine connectors. When designing around this device, verify that the target system still uses a 3.3 V PCI bus rather than the older 5 V signalling convention, and confirm the MQFP-160 land pattern and thermal pad requirements on the motherboard. Because the PCI Local Bus is a legacy architecture, supply continuity and long-term availability are the dominant procurement risks, so sourcing from a stocked distributor is usually advisable. This page consolidates distributor availability, verified device specifications, pin-compatible bridge alternatives, and practical design and sourcing notes that are not consolidated anywhere in the original manufacturer datasheet.

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PI7C8152BMAE - 2-Port 66MHz PCI Bridge | Diodes
PI7C8152BMAE

PI7C8152BMAE - 2-Port 66MHz PCI Bridge | Diodes

The Diodes Incorporated PI7C8152BMAE is a 2-port PCI-to-PCI bridge interface IC supporting 32-bit synchronous and asynchronous transfers at up to 66 MHz. It is compliant with the 32-bit, 66 MHz implementation of PCI Local Bus Specification Revision 2.2 and PCI-to-PCI Bridge Specification Revision 1.1, and it is supplied in a commercial-grade 160-pin MQFP package measuring 28 mm by 28 mm. A PCI-to-PCI bridge is a specialized interface IC that connects a host-side PCI bus to one or more downstream PCI buses. It belongs to the hierarchy of PCI interface controllers, bus interface integrated circuits, interface devices, and semiconductors. By separating primary and secondary bus traffic through a bridging controller, the PI7C8152BMAE allows PCI-compatible equipment to extend a 32-bit PCI topology while maintaining compatibility with the Revision 2.2 bus specification. The verified device characteristics include two PCI ports, 32-bit bus width, operation from 33 MHz to 66 MHz, PCI 2.2 compliance, PCI-to-PCI Bridge 1.1 compliance, and a 160-MQFP package. A related distributor listing also identifies 3.3 V operation and a 10 pF feature. These details distinguish it as a conventional, parallel-bus PCI interface solution rather than a serial PCIe controller. The PI7C8152BMAE is applicable to legacy PCI expansion systems, industrial controller interfaces, embedded PCI equipment, data-acquisition platforms, and test systems that retain 32-bit PCI buses. In these systems, the bridge can isolate a secondary bus segment and support devices operating with the same 32-bit width and up to 66 MHz clock rate. System designers must also account for the bridge-specific interrupt, arbitration, and reference-clock requirements described by the manufacturer documentation. PCB implementation is the primary design consideration. The 160-pin MQFP footprint requires a fine-pitch, high-pin-count land pattern, careful escape routing, and verified multilayer-board construction. Power, ground, clock, and high-speed parallel bus signals should follow the manufacturer’s recommended topology, with particular attention to return paths and trace-length relationships. This page combines verified manufacturer and distributor information with package, compatibility, sourcing, and design guidance intended to help engineers evaluate the PI7C8152BMAE efficiently. Because the verified data does not expose a complete public pin table, the page does not reproduce guessed pin assignments; the manufacturer datasheet and product page remain the authoritative references for implementation.

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PI7C8152BMAIE - 2-Port 66MHz PCI-to-PCI Bridge | Diodes Inc
PI7C8152BMAIE

PI7C8152BMAIE - 2-Port 66MHz PCI-to-PCI Bridge | Diodes Inc

The Diodes Incorporated PI7C8152BMAIE is a 2-port PCI-to-PCI bridge interface IC operating at 66 MHz with a 32-bit PCI bus width, packaged in a 160-lead MQFP (28 x 28 mm) surface-mount package. It is the bridge solution of choice for extending a legacy PCI segment behind a host bridge, allowing two independent 32-bit PCI buses to operate on either side of the bridge. A PCI-to-PCI bridge is a specialized interface IC that sits between two PCI bus segments and converts one bus's protocol, arbitration and electrical signaling into the other. In the system hierarchy it belongs to the PCI interface controller family, which sits between the CPU/memory subsystem and expansion peripherals. Bridges are used to add PCI slots beyond the limits of a single host bridge, to isolate electrical loading, and to allow two buses running at different speeds or loads to coexist. Key features of the PI7C8152BMAIE include full 32-bit, 66 MHz PCI operation, two independent bridge ports, and backward compatibility with 33 MHz PCI agents. Operating at the full 66 MHz ceiling of the conventional PCI specification gives designers headroom for demanding video capture, storage controller, DSP and industrial data-acquisition cards without bandwidth arbitration penalties. The 160-pin quad flat package provides the pin count needed for the full 32-bit data path plus the auxiliary sideband signalling required by the PCI specification. Internally, the device implements separate bus transceivers and arbitration logic for each of its two ports, so traffic crossing the bridge is buffered rather than simply passed through. That buffering decouples bus loading on the far side of the bridge from the near side, improving signal integrity and allowing each segment to support its own device population and clock domain discipline. Because it regenerates rather than re-times signals, the bridge isolates capacitive loading and reduces the stub effects that plague long shared PCI segments. Typical applications include PCI-PCI bridges in industrial chassis, embedded PCI carrier boards, multi-segment server peripherals, video frame grabbers, RAID host adapters, and legacy industrial expansion systems where a single PCI segment cannot populate all required slots. It is also used in test and measurement platforms that need to isolate high-bandwidth DUT buses from the host system. A key design consideration is that the PI7C8152BMAIE requires careful 32-bit PCI routing with matched-length, impedance-controlled traces and proper termination, plus correct peripheral ordering and isolation. Because the device is a legacy peripheral for the conventional PCI bus, confirm host-bridge and operating-system support for bridging before committing to a new design. This page consolidates manufacturer specifications, distributor listings, drop-in alternatives and practical layout guidance for engineers who need to evaluate the PI7C8152BMAIE for an existing PCI bridge slot or a legacy PCI expansion platform.

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PI7C8154ANAE - 2-Port 64-bit PCI Bridge | Diodes Incorporated
PI7C8154ANAE

PI7C8154ANAE - 2-Port 64-bit PCI Bridge | Diodes Incorporated

The Diodes Incorporated PI7C8154ANAE is a two-port PCI-to-PCI bridge interface integrated circuit operating at 64-bit and 66 MHz in a 304-BBGA package measuring 31 mm by 31 mm. It is designed for systems that need to connect separate PCI bus segments while maintaining asynchronous operation across the bridged interfaces. A PCI bridge is a specialized interface semiconductor that extends a PCI bus through a controlled communication boundary. Within the PCI interface hierarchy, a PCI-to-PCI bridge connects two PCI domains or bus segments, allowing compatible PCI devices and subsystems to communicate without treating both segments as one uninterrupted electrical bus. The PI7C8154ANAE occupies the interface-IC category and is particularly relevant to legacy and industrial PCI system expansion. The PI7C8154ANAE's principal documented characteristics are its two-port bridge configuration, 64-bit data width, 66 MHz operating frequency, asynchronous bridge operation, and 304-BBGA package. These characteristics place it in the role of a high-bandwidth protocol translator between PCI buses. The package's 304-ball construction supports the numerous power, ground, signal, and interface connections expected in a complex multi-bus bridge. Typical implementation contexts include industrial computers, embedded PCI expansion systems, legacy server or workstation designs, and test equipment that retains a PCI interface. The 64-bit path supports efficient transfer of wide data payloads, while the 66 MHz operating point represents the upper operating frequency identified for this device in its product documentation. The most important design task is PCB-level integration. A 304-BBGA device requires a land pattern, escape routing, reference-plane management, power distribution, and thermal design that account for every specified ball assignment. Use the manufacturer datasheet pin-description table and recommended land pattern when defining the board footprint and routing all power, ground, clock, and PCI signals. This page organizes the verified device identity, package information, interface characteristics, application considerations, and comparison candidates into an engineering-oriented selection guide. It also separates known differences among related PI7C8154 ordering codes, helping designers verify compatibility before committing a complex board layout.

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PI7C8154BNAE - 64-Bit 66MHz PCI Bridge | Diodes Incorporated
PI7C8154BNAE

PI7C8154BNAE - 64-Bit 66MHz PCI Bridge | Diodes Incorporated

Diodes Incorporated PI7C8154BNAE is a 64-bit, 66MHz asynchronous two-port PCI-to-PCI bridge in a 304-ball PBGA package measuring 31 mm by 31 mm. It is designed for systems that need to extend a PCI local bus across two bus segments while retaining 64-bit data width and operation at 66MHz. A PCI-to-PCI bridge is a type of interface controller that connects two PCI bus domains electrically and logically. It belongs to the PCI interface controller hierarchy, where bus controllers and bridges coordinate address decoding, transaction forwarding, arbitration, and compatibility between peripheral buses and host systems. The PI7C8154BNAE supports the 64-bit, 66MHz implementation described by the PCI Local Bus Specification, Revision 2.2. Key characteristics include asynchronous two-port operation, a 64-bit parallel PCI data path, and a maximum operating frequency of 66MHz. The device is intended for 3.3V operation, with an industrial operating-temperature range of 0°C to 85°C. Its 304-PBGA construction provides a large, mechanically robust package for systems requiring hundreds of high-speed PCI connections. Technically, the bridge provides the interface between two independently operating PCI bus segments. Its asynchronous architecture allows transactions to be transferred between buses with different timing characteristics, while maintaining the full 64-bit width and 66MHz operating rate of the target PCI implementation. Correct PCB implementation therefore depends on careful power distribution, controlled-impedance routing, and complete decoupling around this high-pin-count device. Typical applications include industrial PCI systems, embedded server and storage platforms, industrial networking equipment, test systems, and legacy PCI expansion platforms that require an additional bus segment. The device can also support compatibility and bridging designs in industrial control, data-acquisition, communications, and specialized embedded equipment. Designers should pay particular attention to the 304-ball land pattern, power and ground-plane assignment, high-speed signal integrity, and the PCI routing rules in the manufacturer datasheet. Because this is a large BGA device with many connections, assembly inspection and via-in-pad or via-under-bump design practices may materially affect manufacturing yield and long-term reliability. This product page combines interface categorization, verified operating characteristics, alternative-device guidance, and practical PCB considerations to help engineers evaluate the PI7C8154BNAE for legacy PCI bridging applications.

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PI7C8154BNAIE - 64-Bit 66MHz PCI Bridge | Diodes Incorporated
PI7C8154BNAIE

PI7C8154BNAIE - 64-Bit 66MHz PCI Bridge | Diodes Incorporated

Diodes Incorporated PI7C8154BNAIE is a 64-bit, 66 MHz PCI-to-PCI bridge interface IC designed for asynchronous two-port PCI system expansion. The device is packaged in a 304-pin PBGA measuring 31 x 31 mm and is identified as a specialized PCI interface component. Its primary function is to bridge PCI Local Bus traffic between two PCI buses while supporting the 64-bit, 66 MHz implementation described in the PCI Local Bus Specification, Revision 2.2. A PCI-to-PCI bridge is an interface IC within the PCI interface hierarchy and broader computer-interface semiconductor category. It allows a host system or embedded PCI platform to extend its available PCI bus resources by connecting two PCI segments. The bridge coordinates transaction forwarding, arbitration, and bus ownership across the two segments while presenting a unified PCI interface to connected peripherals. The PI7C8154BNAIE is specified as a 2-port, 64-bit, 66 MHz asynchronous PCI bridge. Its 304-PBGA package provides the large number of signal and power connections required for parallel PCI data, address, command, and control paths. The package is surface-mount technology and uses a 31 x 31 mm body according to the product listing. The device is intended for industrial, embedded, and legacy PCI platform designs requiring a dedicated bus-to-bus bridge rather than a general-purpose serial interface controller. The PI7C8154B family was designed for compatibility with the 64-bit, 66 MHz PCI Local Bus Specification Revision 2.2. Because the target is an older parallel-bus bridge, system-level validation is important. The host firmware, PCI configuration space, interrupt routing, clocking, termination, and power-delivery arrangement must be checked against the board design and the manufacturer datasheet before deployment. Typical uses include PCI industrial controllers, embedded computer backplanes, PCI expansion chassis, data-acquisition systems, and legacy embedded platforms that need two PCI bus segments. In these systems, the bridge allows an existing PCI host to reach additional cards without replacing the host processor or redesigning the entire bus topology. Layout is the primary implementation consideration. Route high-speed parallel PCI signals with controlled impedance, continuous reference planes, and minimal stubs. Follow the manufacturer pin-assignment and escape-routing guidance for the 304-PBGA footprint, and place decoupling and termination components close to their associated pins. This page combines the manufacturer-family specifications, package details, sourcing facts, and practical integration considerations for engineers evaluating the PI7C8154BNAIE.

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PI7C8952AFAE - Dual UART PCI Bridge | Diodes Incorporated
PI7C8952AFAE

PI7C8952AFAE - Dual UART PCI Bridge | Diodes Incorporated

Diodes Incorporated PI7C8952AFAE is a dual-channel PCI-to-UART interface bridge with two UART channels, 128-byte FIFO capability, 3 V or 5 V supply support, and a 100-LQFP package measuring 14 mm by 14 mm. It is designed to add two asynchronous serial interfaces to a PCI-based embedded system while presenting a standardized bus interface to the host. A PCI-to-UART bridge is an interface IC within the broader hierarchy of PCI interface controllers, peripheral interface controllers, interface ICs, and semiconductors. It provides the electrical and protocol translation required between a parallel PCI host bus and asynchronous serial channels. Such bridges are useful when a legacy PCI platform needs to communicate with sensors, modems, industrial controllers, or other equipment that uses UART signaling. The verified product information identifies a two-channel UART configuration and a 128-byte FIFO for each function. FIFO buffering helps a host service received serial data without requiring the CPU to retrieve every byte immediately. The device can operate from either 3 V or 5 V supplies, which provides flexibility when integrating it with systems using different primary rail voltages. A 100-LQFP package offers a substantial pin count for power, ground, host-bus, and dual-channel UART connectivity. The PI7C8952AFAE integrates PCI host-bus connectivity with two independent UART channels. Its architecture is intended to reduce the need for discrete host-interface logic while consolidating serial ports in one device. However, the supplied source data does not specify the supported PCI signaling mode, UART baud-rate range, parity and data-bit formats, interrupt behavior, electrical timing, or operating-temperature limits. Those parameters should be confirmed against the manufacturer datasheet before schematic capture or firmware development. Typical uses include industrial PCI instrumentation, data-acquisition systems, test equipment, embedded control platforms, and legacy computer expansion systems. In each case, the bridge can connect a PCI host to two serial peripherals while the FIFO separates buffered receive data from direct host-bus transactions. The exact host-software configuration remains application-specific because an operating-system driver or platform-specific initialization routine may be required. The principal design consideration is package and signal-integrity planning for the 100-pin LQFP. The board layout must preserve the device's power and ground connectivity, route PCI signals according to the manufacturer's recommendations, and keep UART signals away from noisy switching nodes. Decoupling, termination, and clock requirements should be implemented only after the complete pin assignments and electrical tables have been obtained from the official datasheet. This page consolidates the verified product identity, package information, channel count, FIFO depth, supply options, sourcing links, and engineering-use guidance for the PI7C8952AFAE. It also separates documented facts from parameters that remain unavailable in the supplied data, helping engineers plan a search for the datasheet, evaluate procurement, and determine whether the dual-UART PCI bridge matches a legacy platform.

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PI7C8952AFAEX - PCI to UART Bridge | Diodes Incorporated
PI7C8952AFAEX

PI7C8952AFAEX - PCI to UART Bridge | Diodes Incorporated

Diodes Incorporated PI7C8952AFAEX is a PCI-to-UART bridge controller with 3 V and 5 V supply options, a PCI bus interface, and a 100-pin LQFP package measuring 14 mm by 14 mm. It is packaged for tape-and-reel production with a standard quantity of 1,000 units. A PCI-to-UART bridge is an interface controller that connects a host computer's PCI peripheral bus with UART-compatible serial equipment. It belongs to the interface IC hierarchy, where bridge and protocol controllers translate signals between bus architectures that otherwise require incompatible connectors, voltage levels, or data formats. Such devices can reduce the need for a separate host-side PCI adapter when the target equipment relies on legacy or industrial serial communication. The PI7C8952AFAEX supports both 3 V and 5 V supply configurations, giving designers flexibility when integrating it with systems that use different primary logic rails. Its PCI protocol interface is intended for embedded host-bus designs, while the UART side provides the physical signaling path for serial peripherals. The 100-LQFP package offers a high pin count suitable for external bus routing and interface connectivity. The 14 mm by 14 mm LQFP construction provides clearly defined lead geometry for conventional surface-mount assembly and inspection. Tape-and-reel packaging with 1,000 units per reel supports automated pick-and-place equipment and volume production. Exact clocking, transceiver electrical characteristics, operating temperature, and host-side interface details should be confirmed in the manufacturer datasheet before schematic capture. Typical uses include PCI-based industrial control systems, serial data acquisition equipment, legacy peripheral migration, embedded communications appliances, and test systems that need a bridge between a PCI host and one or more UART peripherals. The bridge is particularly relevant where a compact embedded host has a PCI bus but lacks a direct UART expansion interface. When designing the circuit, begin with the manufacturer's pin-description table and reference connection details rather than inferring connections from the package position. Confirm the intended supply rail, PCI interface requirements, UART signal levels, external clocking components, and decoupling network against the electrical characteristics before release. This page organizes the verified PI7C8952AFAEX package, protocol, supply, and ordering information into an engineering-focused product reference. It also highlights drop-in replacement limits, sourcing questions, and design checks that help distinguish a genuine PCB-compatible substitute from a merely similar PCI-to-UART controller.

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PI7C8954AFHE - PCI Quad UART Bridge | Diodes Incorporated
PI7C8954AFHE

PI7C8954AFHE - PCI Quad UART Bridge | Diodes Incorporated

Diodes Incorporated PI7C8954AFHE is a PCI-to-UART interface bridge with four UART channels, supplied in a 144-pin LQFP package measuring 20 mm by 20 mm. The device is categorized for 3 V and 5 V UART-controller applications and is identified by the verified product data as an IC PCI Quad UART Bridge. Its package provides 144 external leads for the PCI interface, four serial-port interfaces, power, grounding, and associated control signals. A PCI-to-UART bridge is an interface controller that allows a host system operating across a PCI bus to exchange serial data with up to four UART peripherals. In the product hierarchy, the PI7C8954AFHE is an interface IC, a PCI bridge, and a multi-channel UART interface controller. This bridge function places it between a PCI-capable embedded or industrial system and external serial devices, reducing the need for four separate host-interface adapters. The verified listing identifies the PI7C8954AFHE as a four-channel UART bridge in a 144-LQFP package. It is associated with 3 V and 5 V UART-controller applications, while a separate distributor listing classifies the product as a PCI bridge and PCI-to-UART interface. These attributes make it relevant to embedded systems, industrial controllers, data-acquisition equipment, multiport communication systems, and legacy PCI systems that require several serial ports. The 144-LQFP construction distinguishes the PI7C8954AFHE from single-channel UART transceivers such as MAX232DR or USB-to-UART devices such as CP2102N-A01-GQFN20R. Its defining advantage is integration: one PCI-to-quad-UART device consolidates four UART channels behind a single PCI host interface. The available source data does not expose detailed clocking, electrical, timing, or channel-level specifications, so those values should be confirmed against the manufacturer datasheet before design release. A typical integration places the bridge on a PCI host board, connects each UART channel to the required serial transceiver or logic-level interface, and routes power and ground carefully across the 144 leads. System designers must account for the available voltage domains, peripheral interface requirements, signal integrity, and thermal performance associated with the large LQFP package. The principal design consideration is verification: the supplied search results confirm the bridge function, four UART channels, 144-LQFP package, 20 mm by 20 mm body size, inventory, and one unit price, but they do not provide a complete manufacturer pin table or electrical limit table. Confirm pin assignments, operating voltages, PCI signaling details, UART baud-rate behavior, and power requirements against the authoritative datasheet before PCB routing or firmware development. This page consolidates verified distributor inventory, pricing, package information, interface classification, cross-reference findings, and practical implementation guidance. It clearly separates confirmed PI7C8954AFHE attributes from unverified details and avoids presenting unsupported substitutes as guaranteed drop-in replacements.

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PI7C8958AFHE - PCI to Octal UART Bridge | Diodes Inc.
PI7C8958AFHE

PI7C8958AFHE - PCI to Octal UART Bridge | Diodes Inc.

Diodes Incorporated PI7C8958AFHE is an active PCI-to-UART interface bridge with eight UART channels, a 3.3 V and 5 V supply capability, and a 144-pin LQFP package measuring 20 mm by 20 mm. It is designed to bridge a PCI host bus to eight serial communications channels, placing legacy UART connectivity behind a PCI interface. The verified product data identifies the device as an octal PCI UART bridge and lists an operating temperature range of -40 °C to 85 °C. A PCI bridge is an interface controller that translates transactions between parallel expansion-bus protocols and peripheral-facing interfaces. The PI7C8958AFHE sits in the interface IC hierarchy as a PCI interface bridge, with the UART interface providing a practical expansion path for systems that need multiple serial ports. Its eight-channel arrangement can reduce the number of separate UART controller components required in multi-port equipment. The principal verified characteristics are PCI protocol support, a PCI-to-UART bridge function, eight UART channels, 3.3 V and 5 V supply operation, 10 mA supply current, and a 144-LQFP surface-mount package. The 144-pin package exposes substantially more interface and control signals than a conventional small-outline UART transceiver, making careful PCB layout and pin-level verification essential. Its 20 mm by 20 mm footprint is materially larger than common SOIC or MSOP interface packages. Technically, the PI7C8958AFHE is intended for embedded systems, industrial equipment, multiport servers, test systems, and other PCI-based products that require several UART channels. The octal architecture consolidates eight serial interfaces behind one PCI bridge, but designers must confirm PCI host compatibility, connector requirements, signal termination, operating-system support, and the complete datasheet pin assignment before production release. A key design consideration is that the listed 10 mA supply current should not be treated as a complete system power budget because regulator efficiency, I/O loading, and other board loads are not included. The 3.3 V and 5 V supply entries should also be validated against the device's detailed electrical tables before selecting rail voltage, decoupling, and interface-level components. Typical uses include industrial controller cards, communications appliances, embedded test equipment, and legacy-port expansion systems. Because no complete pin table, electrical limits, clocking details, UART configuration, PCI transaction behavior, or pricing schedule was present in the verified results, each missing item is identified explicitly rather than inferred. This page combines verified product identity, package information, sourcing links, and engineering-selection guidance without inventing unsupported electrical details.

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