PI7C9X130DNDE - PCIe-to-PCI-X Reversible Bridge, 256-BGA | Diodes
MPN: PI7C9X130DNDE ✗ Akhir HayatPI7C9X130DNDE Ringkasan
A PCI Express bridge is a bus-controller integrated circuit that translates transactions between the PCIe serial interconnect and the legacy parallel PCI/PCI-X bus. The PI7C9X130 belongs to the bus-controller and interface-controller product class inside the broader interface-IC and semiconductor hierarchy, and it is specifically designed to let a modern PCIe host platform retain connectivity to legacy PCI-X expansion cards, instrumentation, or industrial add-in modules without redesigning the host board.
Key features include fully reversible operation, meaning the bridge can operate with PCIe as the primary side and PCI-X as the secondary side, or in the reverse configuration with PCI-X primary and PCIe secondary. The device supports a maximum payload size of up to 512 bytes, and it implements PCI Bus Power Management Specification Revision 1.1 and Advanced Configuration and Power Interface Specification Revision 2.0b, which allows the bridge to place the legacy secondary bus into a low-power state when no card is active.
Architecturally, the PI7C9X130 is a transparent and non-transparent bridging solution: in transparent mode the bridge forwards traffic without modifying it, while in non-transparent mode it provides a subtractive decode path for legacy devices. Configuration register behavior is backward compatible with existing PCI bridge software and firmware, so host drivers and BIOS code written for earlier bridges run without modification for the original operation, which drastically reduces software porting effort on legacy industrial platforms.
Typical applications include industrial PCI-X instrumentation and test equipment, migration of PCI-X mezzanine cards onto PCIe hosts, server and workstation legacy expansion support, embedded control systems with legacy peripheral cards, and telecom or medical platforms that must bridge an older PCI-X backplane to a modern processor fabric.
When designing around this device, pay close attention to the power-rail sequencing of the 1.8 V and 3.3 V domains and to the fact that the bridge is listed as not recommended for new designs. For new platforms, evaluate current-generation PCIe-to-PCI-X or PCIe-to-PCI alternatives first, and reserve the PI7C9X130 for sustaining existing designs and certified legacy equipment.
This page combines manufacturer specification data, lifecycle status, a parameter-by-parameter comparison table against the closest family members, and practical design guidance covering layout, power, and legacy-bus integration that engineers normally have to piece together from several documents.
Pilihan pengganti yang segera untuk PI7C9X130DNDE — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
PI7C9X130DNBE
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif rujukan (tidak dalam katalog)
PI7C9X130D3DE
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif rujukan (tidak dalam katalog)
PI7C9X130DNCE
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif rujukan (tidak dalam katalog)
PI7C9X130DNDE Penilaian maksimum & Ciri-ciri Elektrik
| Manufacturer | Diodes Incorporated |
| Series | PI7C9X130 |
| Technology | PCI |
| Device Type | Line / Bus Controller |
| Fungsi | PCI Express to PCI-X reversible bridge |
| Tegangan Pemberi Arus | 1.8 V, 3.3 V |
| Kemasan | 256-PBGA (17 x 17 mm) |
| Kemasan / Case | 256-BGA |
| Jenis Pemasangan | Surface Mount |
| Suhu Operasi | -40C to +85C (industrial) |
| Status RoHS | Compliant |
| Maximum Payload Size | Up to 512 bytes |
| PCI Bus Power Management | Revision 1.1 |
| Advanced Configuration and Power Interface | Revision 2.0b |
| Bridge Direction | Reversible - PCIe primary/PCI-X secondary or PCI-X primary/PCIe secondary |
| Bridging Mode | Transparent and non-transparent |
| Configuration Register Compatibility | Backward compatible with existing PCI bridge software and firmware |
| Status Lingkungan Hidup | NRND (Not Recommended for New Design) |
| Packing Option | Tray |
Panduan Konfigurasi Pin PI7C9X130DNDE 256-bga
Konfigurasi pin untuk PI7C9X130DNDE (256-bga pakai). Peranti kuasa ini mempunyai terminal kawat, buang, dan sumber. Untuk pakai non-polarized, rujuk dokumen pengeluar untuk orientasi pin 1 tepat dan perincian kebentuk.
Tiada data garisan pin yang diperoleh untuk PI7C9X130DNDE.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
PI7C9X130DNDE patut untuk 6 aplikasis: Legacy PCI-X Test and Measurement Instruments, Industrial Control and Factory Automation, Medical Imaging and Diagnostic Equipment, Telecom and Networking Line Card Expansion, Server and Workstation Legacy Expansion Support, Embedded Platform Legacy Mezzanine Migration.
Legacy PCI-X Test and Measurement Instruments
The PI7C9X130DNDE lets a modern PCIe workstation or server host operate an installed PCI-X acquisition card without changing the instrument's backplane. Because the bridge configuration registers are backward compatible with existing PCI bridge software and firmware, the validated host BIOS and driver stack can be retained, which removes a full requalification cycle. The 512-byte maximum payload size keeps large waveform and analysis block transfers efficient across the bridge, while the -40C to +85C industrial rating suits unheated rack environments. The trade-off is that the part is no longer recommended for new designs, so new instrument platforms should evaluate current-generation bridges first.
Disebarkan
Industrial Control and Factory Automation
Factory cells often mix modern PCIe-based motion controllers with PCI-X I/O modules installed years earlier. The PI7C9X130DNDE bridges those two worlds, with the reversible architecture allowing the same silicon to serve a PCIe primary side and a PCI-X secondary bus, so a controller card can itself become a PCIe subordinate to a newer fabric. The 1.8 V and 3.3 V supply rails suit modern industrial SoC power trees, and the industrial temperature grade supports shop-floor operation without active cooling. Deployment planning should account for the Not Recommended for New Design status and plan a controlled migration path.
Disebarkan
Medical Imaging and Diagnostic Equipment
Installed diagnostic systems frequently retain PCI-X acquisition and reconstruction boards long after the host platform has moved to PCIe. The PI7C9X130DNDE preserves that legacy path, and its transparent and non-transparent bridging modes allow either pass-through operation or subtractive decode for mixed-bus peripherals. Because configuration registers are backward compatible with existing bridge software and firmware, the manufacturer validation file for the device can be extended rather than rewritten, which shortens change-control timelines considerably. Design teams should confirm RoHS status documentation for the shipping region and verify the exact temperature grade of the ordering code against the equipment's ambient specification.
Disebarkan
Telecom and Networking Line Card Expansion
Telecom line-card and switching platforms built on PCI-X architectures can be adapted to PCIe host processors through the PI7C9X130DNDE, which supports fully reversible operation so PCI-X primary to PCIe secondary configurations are possible for plug-in controller cards. Maximum payload sizes of up to 512 bytes improve throughput for packet-moving workloads crossing the bridge, and the implementation of PCI Bus Power Management Revision 1.1 allows idle legacy buses to be placed into a low-power state. With the family at NRND status, use the bridge in expansion of installed line-card platforms rather than as the basis for a new chassis design.
Disebarkan
Server and Workstation Legacy Expansion Support
Enterprise servers and professional workstations often need to retain support for PCI-X expansion hardware such as high-end capture, storage controller, and signal-processing cards. The PI7C9X130DNDE provides a PCIe-to-PCI-X path in a 256-ball PBGA (17 x 17 mm) package, small enough to sit on a standard server add-in board. Backward-compatible configuration registers mean the firmware and OS driver stack already validated for the legacy bus can be reused. Engineering teams must budget for careful PCI-X trace length matching and clock routing per the manufacturer layout guidance, and should verify that the host PCIe port supports the traffic profile of the attached legacy device.
Disebarkan
Embedded Platform Legacy Mezzanine Migration
Embedded compute modules with mezzanine connectors built around PCI-X can be migrated to a PCIe-capable processor module by placing the PI7C9X130DNDE at the mezzanine interface. The reversible capability is valuable in dual-role mezzanine designs where a module must appear as a PCIe endpoint to one host and a PCI-X bus master to another. The bridge supports both transparent operation, where traffic passes unmodified, and non-transparent operation for subtractive decode of legacy peripherals, giving designers flexibility in system partitioning. Given the Not Recommended for New Design status, such migrations are best justified as a cost-effective way to extend field service life rather than as a new platform strategy.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk PI7C9X130DNDE — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | PI7C9X130DNBE | PI7C9X130D3DE | PI7C9X130DNCE |
|---|---|---|---|---|
| Package | 256-PBGA (17 x 17 mm) | 256-PBGA (17 x 17 mm) - same | 256-PBGA (17 x 17 mm) - same | 256-PBGA (17 x 17 mm) - same |
| Brand | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Function | PCIe-to-PCI-X reversible bridge | PCIe-to-PCI-X reversible bridge - same | PCIe-to-PCI-X reversible bridge - same | PCIe-to-PCI-X reversible bridge - same |
| Supply Voltage | 1.8 V, 3.3 V | 1.8 V, 3.3 V | 1.8 V, 3.3 V | 1.8 V, 3.3 V |
| Maximum Payload Size | Up to 512 bytes | Up to 512 bytes | Up to 512 bytes | Up to 512 bytes |
| Power Management Compliance | PCI Bus PM Rev 1.1, ACPI Rev 2.0b | PCI Bus PM Rev 1.1, ACPI Rev 2.0b | PCI Bus PM Rev 1.1, ACPI Rev 2.0b | PCI Bus PM Rev 1.1, ACPI Rev 2.0b |
| Lifecycle Status | NRND | NRND | NRND | NRND |
| Device Type / Technology | Line / Bus Controller, PCI | Line / Bus Controller, PCI | Line / Bus Controller, PCI | Line / Bus Controller, PCI |
| RoHS Compliance | Compliant | Compliant | Compliant | Compliant |
Penyeberangsung Jelas
- Fully reversible bridge architecture (vsPI7C9X130D3DE)
- Backward-compatible configuration registers (vsPI7C9X130DNBE)
- Industrial temperature coverage on the DNDE ordering code (vsPI7C9X130D3DE)
- Legacy bus integration with minimal software impact (vsPI7C9X130DNCE)
Catatan Desain
Treat the PCIe and PCI-X sides as two independent high-speed subsystems. Keep the PCIe differential pairs on a continuous reference plane over the 256-ball PBGA escape region, and route the PCI-X shared-bus traces as a matched-length group because the legacy bus is source-synchronous and intolerant of skew. Place the required reference-clock network close to the device with a short, low-inductance return path, and follow the ball assignment and reference schematic in the manufacturer datasheet exactly rather than improvising the escape pattern.
The device runs from both 1.8 V and 3.3 V domains. Sequence the rails so the core domain is stable before the I/O domain enables, in line with the Advanced Configuration and Power Interface Revision 2.0b behavior implemented in the bridge. Place the decoupling network directly under the corresponding balls of the 17 x 17 mm PBGA and keep the loop area minimal; estimated current draw scales with the number of active PCI-X agents and payload traffic, so size the supply for full-width operation rather than the idle case.
Do not assume a modern PCIe-to-PCI chip can replace this bridge in an installed design. The PI7C9X130 is not recommended for new designs, so a lifecycle-driven redesign is often cheaper than hunting for a scarce bridge. If a same-family ordering code is used as a substitute, confirm the temperature grade, packing style and pinout against the manufacturer datasheet, since suffix changes can alter grade marking without altering the footprint.
Legacy PCI-X edges are fast enough that a bridge board often needs deliberate termination and via stitching around the bus. Estimated: with a 33 ohm single-ended PCI-X load on each of the 32 data lines plus the associated shared-clock network, parallel termination networks in the 15 to 33 ohm range are typically used; confirm the exact values from the reference schematic and PCI-X electrical specification rather than adopting values blindly. Keep the bridge-to-connector distance short to limit loss and reflection before the signal reaches legacy cards.
Maklumat Kesediaan
RoHS compliance is stated for the 256-BGA plastic package in catalog data for this ordering code. The device is not marketed as AEC-Q100 qualified, so it is not intended for automotive applications. Reach, halogen-free status and conflict-minerals declarations should be confirmed with the manufacturer for your shipping region.
