Product Summary

The CY7C68300A-56LFC is an EX-USB AT2 USB 2.0 to ATA/ATAPI bridge. The CY7C68300A-56LFC implements a fixed-function bridge between one USB port and one ATA- or ATAPI-based mass storage device port. The CY7C68300A-56LFC adheres to the Mass StorageClass Bulk-Only Transport Specification and is intended for self-powered devices. The USB port of theCY7C68300A-56LFC is connected to a host computer directly or via the downstream port of a USB hub.

Parametrics

CY7C68300A-56LFC absolute maximum ratings: (1) Storage Temperature: -65 to +150°C; (2) Ambient Temperature with power supplied: 0 to 70°C; (3) Supply Voltage to Ground Potential: -0.5 to +4.0V; (4) DC Input Voltage to Any Input Pin: 5.25V; (5) DC Voltage Applied to Outputs in High-Z State: -0.5 to Vcc +0.5V; (6) Power Dissipation: 936mW; (7) Static Discharge Voltage: > 2000V; (8) Max Output Current per IO port: 10mA.

Features

CY7C68300A-56LFC features: (1) Complies with USB-IF specifications for USB 2.0, the USB Mass Storage Class, and the USB Mass StorageClass Bulk-Only Transport Specification; (2) Operates at high (480-Mbps) or full (12-Mbps) speed; (3) Supports 48-bit addressing for large hard drives; (4) Supports PIO modes 0, 3, 4, and UDMA modes 2, 4; (5) ses one external serial EEPROM containing the USB device serial number, vendor and product identification data, and device configuration data; (6) ATA interface IRQ signal support; (7) Support for a single ATA/ATAPI device configured either as master or slave; (8) Support for board-level manufacturing test via USB interface; (9) 3.3V operation for self-powered devices; (10) 56-pin SSOP and 56-pin QFN packages.

Diagrams

CY7C68300A-56LFC Block Diagram