IDT7203中文资料(14)

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IDT7203/7204/7205/7206 CMOS ASYNCHRONOUS FIFO2048 x 9, 4096 x 9, 8192 x 9 and 16384 x 9

MILITARY AND COMMERCIAL TEMPERATURE RANGES

WRITE (W)

FULL FLAG (FF)

RESET (RS)

READ (R)

DATA OUT (Q)EMPTY FLAG (EF)RETRANSMIT (RT)

2661 drw 14

Figure 12. Block Diagram of 2048 x 9/4096 x 9/8192 x 9/16384 x 9 FIFO Used in Single Device Mode

DATA IN(D)WRITE (W)FULL FLAG (FF)

RESET (RS

)

READ (R)

EMPTY FLAG (EF)RETRANSMIT (RT)

DATA OUT (Q)

2661 drw 15

NOTE:

1.Flag detection is accomplished by monitoring the FF, EF and HF signals on either (any) device used in the width expansion configuration.

Do not connect any output signals together.

Figure 13. Block Diagram of 2048 x 18/4096 x 18/8192 x 18/16384 x 18 FIFO Memory Used in Width Expansion Mode

5.0411

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