DESCRIPTION:
The IDT72103/72104 are high-speed Parallel-Serial FlFOs to be used with high-performance systems for functions such as serial communications, laser printer engine control and local area networks.

FEATURES:
• 35ns parallel port access time, 45ns cycle time
• 50MHz serial input/output frequency
• Serial-to-parallel, parallel-to-serial, serial-to-serial, and parallel-to-parallel operations
• Expandable in both depth and width with no external components
• Flexishift™ — Sets programmable serial word width from 4 bits to any width with no external components
• Multiple flags: Full, Almost-Full (Full-1/8),Full-Minus-One, Empty, Almost-Empty (Empty +  1/8), Empty-Plus One, and Half-Full
• Asynchronous and simultaneous read or write operations
• Dual-Port, zero fall-through time architecture
• Retransmit capability in single-device mode
• Packaged in 44-pin PLCC
• Industrial temperature range (–40^oC to +85^oC)

APPLICATIONS:
• High-speed data acquisition systems
• Local area network (LAN) buffer
• High-speed modem data buffer
• Remote telemetry data buffer
• FAX raster video data buffer
• Laser printer engine data buffer
• High-speed parallel bus-to-bus communications
• Magnetic media controllers
• Serial link buffer