10

COMMERCIALTEMPERATURERANGE

IDT72V81/72V82/72V83/72V84/72V85 3.3V CMOS DUAL ASYNCHRONOUS FIFO

512 x 9, 1024 x 9, 2048 x 9, 4096 x 9, 8192 x 9

JULY 17, 2006

NOTES:

1. For depth expansion block see section on Depth Expansion and Figure 14.

2. For Flag detection see section on Width Expansion and Figure 13.

Figure 15. Compound FIFO Expansion

Figure 17. Read Data Flow-Through Mode

Figure 16. Bidirectional FIFO Mode

W

DATA

R

IN

EF

DATA

VALID

OUT

3966 drw 19

IDT

7201A

SIDE 1

SIDE 2

IDT

72V81

72V82

72V83

72V84

72V85

FIFO B

3966 drw 18

FIFO A

IDT

72V81/72V82/72V83

72V84/72V85

DEPTH

EXPANSION

BLOCK

R, W, RS

3966 drw 17

IDT

72V81/72V82/72V83

72V84/72V85

DEPTH

EXPANSION

BLOCK

IDT

72V81/72V82/72V83

72V84/72V85

DEPTH

EXPANSION

BLOCK