Part Number: TSI384-133ILV

Manufacturer: Renesas Electronics

Description: PCI Interface IC PCI-X-to-x4 PCIe Bridge

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of TSI384-133ILV

Datasheet  TSI384-133ILV datasheet
Category Integrated Circuits (ICs)
Family Interface – Specialized
Manufacturer IDT, Integrated Device Technology Inc
Series Tsi384?
Packaging Tray
Part Status Active
Applications PCI-to-PCI Bridge
Interface PCI
Voltage – Supply 1.2V
Package / Case 256-LBGA
Supplier Device Package 256-PBGA (17×17)
Mounting Type Surface Mount

TSI384-133ILV Device Overview

The PCI Express (PCIe) protocol can be connected to the PCI and PCI-X bus standards using a high-performance bus bridge like the IDT Tsi384. The PCIe Interface found on the Tsi384 delivers exceptional performance and can accommodate 1, 2, or 4 lanes. Because of this, the bridge can provide excellent throughput rates of up to one gigabit per second (Gbps). The PCI/X Interface of the device can operate at speeds of up to 133 MHz while in PCI-X mode and up to 66 MHz when operating in PCI mode. Because it supports three distinct sorts of addressing modes—transparent, opaque, and non-transparent—this interface gives designers a great deal of leeway to exercise their creativity.

● Low Power Consumption

The Tsi384 uses cutting-edge power management to keep power consumption a minimum, with typical operations consuming just 1.3W. The device allows unused PCIe lanes to be switched off automatically or manually and supports D0, D3 hot, and D3 cold power management modes.

● Transparent, Non-transparent, and Opaque Bridging

For efficient flow-through configurations, the Tsi384 supports a transparent mode of operation, while non-transparent bridging provides isolation between the PCIe and PCI/X domains. Additionally, non-transparent bridging is utilized in applications like storage adapters to allow for multi-host systems. The opaque mode offers semi-transparent operation for multiprocessor setups and improved support for private devices.

● High Performance

Several high-end PCIe protocols, such as Lane Reversal and Polarity Inversion, end-to-end CRC, Advanced Power Management Profile for Link Level 0 (APM L0), and Hot Plug, are included in the Tsi384. The device operates with low latency and allows payloads of up to 512 bytes in size, which improves throughput.

TSI384-133ILV Features

PCI Express

  • Maximum payload of 512 bytes.
  • Advanced reporting capabilities for errors.
  • Supports Lane Polarity Inversion and Lane Reversal.
  • Complete CRC creation and verification.
  • 4 outstanding memory reads maximum.
  • Link state power management for ASPM L0s.
  • MSI interrupts and legacy interrupt signals.
  • Hot Plug assistance.


  • Addressing in 32/64 bits.
  • 64/32 bit data.
  • 50, 66, 100, and 133 MHz PCI-X functionality.
  • Operating at 25, 33, 50, and 66 MHz for PCI.
  • Eight memory reads are still outstanding.
  • Read completion buffer of 4K.
  • Support for four external PCI/X masters via internal arbitrator.
  • Assistance with an external arbiter.


  • Masquerade mode support
  • Support for D0, D3 hot, and D3 cold power management states is provided by JTAG IEEE 1149.1, 1149.6.
  • The core power supply of 1.2V.
  • The typical power consumption of 1.3W (x4 PCIe to 133-MHz PCI-X).
  • 256-pin PBGA, 17×17 mm package.
  • The Pinout and footprint of the package are compatible with the PLX8114.


● Increases system performance by providing bus interfaces with high throughput and low latency.

● Offers a wide range of configurable features that simplifies system design.

● Offering thorough power management reduces system power consumption.

What is a Peripheral Component Interconnect, and how does it work?

Peripheral Component Interconnect (PCI) is a standard for a local computer bus to link various computer hardware types. The PCI bus provides the same functionality as a processor bus but does so in a standardized, architecture-independent way. The PCI bus allows devices to be addressed in the processor’s address space as though they were directly linked to the bus master. It’s a synchronous parallel bus, meaning everything must be timed to the same clock. One type of peripheral attachment is the motherboard-mounted IC, a planar device in the PCI specification. Another is the expansion card, which slides into a slot on the motherboard.

After its initial implementation in IBM PC compatibles, the PCI Local Bus quickly replaced a bus architecture with multiple slower ISA (Industry Standard Architecture) slots and a single faster VESA Local Bus (VLB) slot. The computer industry quickly adopted it. Network cards, sound cards, modems, supplemental ports like Universal Serial Bus (USB) or serial, TV tuner cards, and hard disk drive host adapters are all examples of common PCI cards. Once ISA and VLB cards were discontinued, PCI video cards were used as their substitute. However, as bandwidth demands increased, PCI eventually became obsolete. After PCI, the Accelerated Graphics Port (AGP) remained the standard for video cards until its replacement by PCI Express.

Although the PCI 1.0 standard allowed for a 64-bit variant, the version of PCI used in most retail desktop computers was a 32-bit bus with a 33 MHz bus clock and 5 V signaling. A single notched hole is on the card to help you find it. To prevent the unintentional installation of 5 V cards, version 2.0 of the PCI standard added 3.3 V slots, which are physically distinguishable by a flipped physical connector. The two notches on a universal card indicate that it can be used with either voltage. PCI v2.1 included support for 66 MHz clock speeds as a configurable option.

PCI Extended (PCI-X) was a server-focused variation of PCI that supported speeds of up to 533 MHz in PCI-X 2.0 and 133 MHz in PCI-X 1.0. In PCI version 2.2, a new form of internal card connector called Mini PCI was introduced for portable devices. The CardBus, an industry standard for connecting laptops to external devices, is based on the PCI bus. Intel was responsible for creating the original PCI specification, but the PCI Special Interest Group is now in charge of updating and expanding the standard (PCI-SIG).

Parallel PCI and Conventional PCI are terms used to differentiate PCI and PCI-X from their more modern replacement, PCI Express, which has a serial, lane-based design. About 1995 to 2005 was PCI’s prime time in the desktop computer industry. PCI and PCI-X are already largely defunct, but you can still find them on current computers in 2020 because of their low production cost and widespread support for legacy hardware. Parallel PCI is still widely used today, particularly in industrial PCs, because many specialized extension cards used there never made the switch to PCI Express, similar to how some ISA cards have remained in use despite the widespread availability of PCI Express. There are now USB and PCI Express versions of several devices that were once exclusively available on PCI expansion cards.


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