Renesas 89HPEB383ZBEM

Overview

89HPEB383ZBEM from Integrated Device Technology, Inc. is a transparent x1 PCI Express to 32-bit/66 MHz PCI bridge IC supporting PCIe Base Spec 1.1 and PCI Local Bus Spec 3.0, with 128-byte max payload, 512-byte PCIe read completion buffer, and 1-KB PCI read completion buffer. It enables legacy PCI expansion on modern PCIe-based motherboards and DVR adapter cards.

For engineers reviewing the 89HPEB383ZBEM datasheet, 89HPEB383ZBEM pinout, 89HPEB383ZBEM application, or 89HPEB383ZBEM equivalent, key selection criteria include transparent/non-transparent bridging mode support, 5V-tolerant PCI I/O with VIO pins, ASPM L0s/L1 power management, D0/D3 hot/cold states, and 130 mW standby power consumption.

Technical Context

The 89HPEB383ZBEM implements a dual-domain bridge architecture with independent PCIe and PCI transaction layers, supporting both transparent and non-transparent addressing modes for system-level address remapping. It integrates a 4-master PCI arbiter and supports subtractive decode for legacy cycle forwarding.

PCIe interface features Advanced Error Reporting (AER), end-to-end CRC (ECRC) generation/check, and up to four outstanding memory reads. PCI interface provides 5V-tolerant I/O via dedicated VIO pins and operates at up to 66 MHz with full PCI 3.0 compliance.

Key Specifications

Pinout & Package

89HPEB383ZBEM is housed in a 10×10 mm, 132-pin QFN package with exposed thermal pad. Pinout information is not publicly documented in available official sources; no verified pin assignment table is available for this specific variant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PCI Express-to-PCI bridge applications.

Compared with PEB383ZBQF, 89HPEB383ZBEM offers superior PCB density and thermal performance in compact consumer electronics; compared with PI7C9X2G304SV, it delivers stronger legacy interoperability through subtractive decode, VIO-based 5V tolerance, and caching-accelerated read throughput.

Availability

89HPEB383ZBEM is available at Aetrix Electronics and suitable for motherboard expansion, DVR adapter cards, set-top box peripheral interfaces, and ExpressCard-based PC adapters requiring stable component supply and long-term industrial availability.

Supply support for 89HPEB383ZBEM includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Integrated Device Technology, Inc. (IDT) is a fabless semiconductor company specializing in timing, serial switching, and interface solutions for communications, computing, and consumer markets.

The PEB383 family was designed specifically to enable cost-effective, low-power, high-interoperability bridging from emerging PCIe infrastructure to widely deployed 32-bit/66 MHz PCI peripherals in consumer and embedded platforms.

FAQ

What is the primary function of the 89HPEB383ZBEM?

The 89HPEB383ZBEM is a transparent/non-transparent x1 PCI Express to 32-bit/66 MHz PCI bridge IC. Its core function is to translate PCIe transactions into PCI bus cycles while supporting full PCI 3.0 and PCIe 1.1 compliance, 5V-tolerant I/O, and advanced power management. The 89HPEB383ZBEM enables legacy PCI expansion in modern PCIe-based systems without requiring BIOS or driver modifications.

Does the 89HPEB383ZBEM support both transparent and non-transparent bridging modes?

Yes, the 89HPEB383ZBEM supports both transparent and non-transparent bridging modes. In transparent mode, it enables plug-and-play operation under standard BIOS enumeration with flow-through data paths. In non-transparent mode, it performs address remapping between the PCIe and PCI domains, allowing isolated subsystem communication. This dual-mode capability is explicitly defined in the IDT PEB383 Product Brief and confirmed in the device's configuration register mapping.

What power management features does the 89HPEB383ZBEM implement?

The 89HPEB383ZBEM implements PCI Bus Power Management Interface Spec 1.2 compliance, including D0, D3 hot, and D3 cold states, plus ASPM L0s and L1 link power management. Standby power is specified at 130 mW, and supply tolerance is ±10% across common PCH voltages. These features are validated in the January 2010 IDT product brief and align with platform-level power budgeting for consumer electronics.

Is the 89HPEB383ZBEM compatible with 5V PCI peripherals?

Yes, the 89HPEB383ZBEM is fully compatible with 5V PCI peripherals due to its 5V-tolerant PCI I/O pins and dedicated VIO voltage inputs. This eliminates the need for external level shifters in mixed-voltage designs. The feature is explicitly documented in both the "PCI Interface" and "Legacy Mode Support" sections of the IDT PEB383 Product Brief and is essential for interoperability with legacy PCI devices.

What is the significance of short-term caching in the 89HPEB383ZBEM?

Short-term caching in the 89HPEB383ZBEM delivers a 5× improvement in standard read performance, as measured against non-cached operation. This acceleration is critical in bandwidth-sensitive applications like DVR adapter cards with multiple video decoders. The feature is implemented in hardware and requires no software configuration - it is an intrinsic part of the 89HPEB383ZBEM's transaction engine architecture.