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that supports two independent card sockets compliant with the PC Card Standard
?The PCI1520 provides features that make it the best choice forbridging between PCI and PC Cards in both
notebook and desktop computers. The 1997 PC Card Standard retains the 16-bit PC Card specification
defined in PCI Local Bus Specification and defines the new 32-bit PC Card, CardBus, capable of full 32-
bit data transfers at 33 MHz. The PCI1520 supports any combination of 16-bit and CardBus PC Cards in
the two sockets, powered at 5 V or 3.3 V, as required
?The PCI1520 is compliant with the PCI Local Bus Specification,and its PCI interface can act as either a
PCI master device or a PCI slave device. The PCI bus mastering is initiated during CardBus PC Card
bridging transactions. The PCI1520 is also compliant with PCI Bus Power Management Interface
Specification
?Key Features
- 209-terminal MicroStar BGA�ball-grid array (GHK/ZHK) package
- 2.5 V core logic and 3.3 V I/O with universal PCI interfaces compatible with 3.3 V 5 V PCI signaling
environments
- Integrated low-dropout voltage regulator (LDO-VR) eliminates the need for an external 2.5 V power
supply
- Mix-and-match 5-V/3.3-V 16-bit PC Cards and 3.3-V CardBus Cards
- Two PC Card or CardBus slots with hot insertion and removal
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