AM7969-175DC

TAXIchip Integrated CircuitsTransparent Asynchronous Xmitter-Receiver Interface

GENERAL DESCRIPTION

The Am7968 TAXIchip Transmitter and Am7969 TAXIchip Receiver Chipset is a general-purpose interface for very high-speed 4–17.5 Mbyte/s, 40–175 Mbaud serially point-to-point communications over coaxial or fiber-optic media.

DISTINCTIVE CHARACTERISTICS

■ Parallel TTL bus interface

— Eight Data and four Command Pins

— or nine Data and three Command Pins

— or ten Data and two Command Pins

■ Transparent synchronous serial link

— +5 V ECL Serial I/O

—AC or DC coupled

—NRZI 4B/5B, 5B/6B encoding/decoding

■ Drive coaxial cable or twisted pair directly

■ Easy interface with fiber optic data links

■ 32–140 Mbps 4–17.5 Mbyte/s data throughput

■ Asynchronous input using STRB/ACK

■ Automatic MUX/DEMUX of Data and Command

■ Complete on-chip PLL, Crystal Oscillator

■ Single +5 V supply operation

■ 28-pin PLCC or DIP or LCC