LF3304 - LOGIC Devices Incorporated

LF3304 Dual Line Buffer/FIFO

The LF3304 is a dual line buffer/ FIFO, designed to operate at HDTV rates. The LF3304 will operate in two distinct modes: Line Buffer and FIFO. In these modes the two memories can operate independently or with common control. The LF3304 comprises two 12-bit 4K memories configurable in a variety of ways including: Two 12-bit 4K deep line buffers (independent .

Features

u 100 MHz Data Rate for Video and other High-Speed Applications u One 24-bit, Two 12-bit, Three 8-bit Data Paths, or One Double Depth 12-bit u Dual Modes: Line Buffer or FIFO u User-Programmable FIFO Flags u User-Resettable Read and Write Pointers u Single 3.3 V Power Supply, 5 V Tolerant I/O u 100-lead PQFP LF3304 BLOCK DIAGRAM WCLKA RCLKA WENA RENA RRA RWA RAM ARRAY 1 CONTROL FLAG GENERATOR FFA EFA PAFA PAEA OEA 12 AIN11-0 VARIABLE LENGTH RAM ARRAY A 4K x 12-bit 12 AOUT11-0 ADDRA LDA 12 LENGTH11-0 ADDRB LDB MASTER CONTROL VARIABLE LENGTH RAM ARRAY B 12 BIN11-0 12 BOUT11-0 4K x 12.