Product Summary

The FW82801DBM is a CH4 providing extensive I/O support. The ICH4 incorporates a variety of PCI functions that are divided into three logical devices (29, 30, and 31) on PCI Bus 0 and one device on Bus 1. Device 30 is the Hub Interface-To-PCI bridge. Device 31 contains all the other PCI functions, except the USB Controllers and the LAN Controller.

Parametrics

Absolute maximum ratings: (1)Voltage on Any 3.3 V Pin with Respect to Ground: –0.5 to Vcc3_3 + 0.5 V; (2)Voltage on Any 5 V Tolerant Pin with Respect to Ground (VREF=5V): –0.5 to VREF + 0.5 V; (3)1.5 V Supply Voltage with Respect to Vss: –0.5 to +2.1 V; (4)1.8 V Supply Voltage with Respect to Vss: –0.5 to +2.1 V; (5)3.3 V Supply Voltage with Respect to Vss: –0.5 to +4.6 V; (6)5.0 V Supply Voltage (Vref) with Respect to Vss: –0.5 to +5.5 V.

Features

Features: (1)PCI Bus Interface; (2)Integrated LAN Controller; (3)Integrated IDE Controller; (4)AC97 Link for Audio and Telephony CODECs; (5)Interrupt Controller; (6)New: 1.5 V operation with 3.3 V I/O; (7)Timers Based on 82C54; (8)Enhanced Hub Interface buffers improve routing flexibility (Not available with all Memory Controller Hubs); (9)Firmware Hub (FWH) Interface supports BIOS memory size up to 8 MB; (10)Low Pin Count (LPC) Interface: Supports two Master/DMA devices.; (11)Enhanced DMA Controller; (12)GPIO: TTL, open-drain, inversion; (13)Package 31x31 mm 421 BGA.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
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FW82801DBM
FW82801DBM

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Data Sheet

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FW82801DBM SL6DN
FW82801DBM SL6DN

Other


Data Sheet

Negotiable