Datasheet Details
| Part number | IDT77305 |
|---|---|
| Manufacturer | Integrated Device |
| File Size | 248.59 KB |
| Description | UTOPIAFIFO 4 PORT MULTIPLEXER FIFO |
| Download | IDT77305 Download (PDF) |
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| Part number | IDT77305 |
|---|---|
| Manufacturer | Integrated Device |
| File Size | 248.59 KB |
| Description | UTOPIAFIFO 4 PORT MULTIPLEXER FIFO |
| Download | IDT77305 Download (PDF) |
|
|
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The IDT77305 UtopiaFIFO is a high-speed, low power, four to one, muxed FIFO with multiple programmable modes of operation.
The IDT77305 can be used as a stand alone device or as a building block element.
Within the UtopiaFIFO, the input FIFOs act as intermediate queues for the input streams to allow synchronizati
UTOPIA.I.O 4-PORT (128 X 9 X 4) MULTIPLEXER-.I.O .eatures x x x x 1,6%%! # x x x x Four Independent Input 128 x9 FIFO Queues Nine bit wide input FIFOs Single selectable 9 or 18 bit output bus "UtopiaRx" or "UtopiaTx" Utopia compliant interface signaling options Separate clocks for input and output Selectable Automatic byte insertion for 8-bit Receive Utopia to 16bit Receive Utopia compliance Four 155Mbs ATM input channels can be consolidated into a single 622Mbs channel with no additional glue logic Maximum through put per device over 1.4Gbps x x x x x x x In a building block configuration multiple input channels can be multiplexed onto a 32, 64 or 128 bit bus.
User programmable: – byte insert/delete, UtopiaTx/UtopiaRx mode, master/slave configuration, byte swapping Selectable Round Robin Sequencer output control Data clock rates to 80 MHz; access times 8.5 ns 100-pin TQPF package Separate cell ready signals for each FIFO and cell ready composite signal End of cell transfer flag .unctional Block Diagram CRn CRC ECT CSS RTS BDI CELL SIZE/CELL READY OE RST WCLK ROUND ROBIN SEQUENCER MSE RRE RCLK MUX1 MUX2 LDM X 18 SWP FIFO CONTROLLER 128 BYTES FIFO ENR a CLAVR a SOCR a Data a (0 - 8) ENR b CLAVR b SOCR b Data b (0 - 8) ENR c CLAVR c SOCR c Data c (0 - 8) ENR d CLAVR d SOCR d Data d (0 - 8) FIFO CONTROLLER 128 BYTES FIFO XOE ENS CLAVS SOCS , FIFO CONTROLLER 128 BYTES FIFO Q0 - Q8 Q9 - Q17 FIFO CONTROLLER 128 BYTES FIFO BSS 3206 drw 01 MARCH 2001 1 ©2001 Integrated Device Technology, Inc.
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