IDT72V84 IDT [Integrated Device Technology], IDT72V84 Datasheet - Page 10
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IDT72V84
Manufacturer Part Number
IDT72V84
Description
3.3 Volt CMOS DUAL ASYNCHRONOUS FIFO DUAL 512 x 9, DUAL 1,024 x 9 DUAL 2,048 x 9, DUAL 4,096 X 9 DUAL 8,192 X 9
Manufacturer
IDT [Integrated Device Technology]
Datasheet
1.IDT72V84.pdf
(12 pages)
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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.
DATA
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
DATA
OUT
EF
IN
W
R
R, W, RS
D
0
-D
N
SIDE 1
72V81/72V82/72V83
EXPANSION
72V84/72V85
DEPTH
BLOCK
IDT
Q
Q
D
0
0
0
-Q
-D
-Q
D
Q
FF
8
t
8
8
HF
EF
W
WLZ
A 0-8
R
B 0-8
Figure 17. Read Data Flow-Through Mode
A
B
Figure 15. Compound FIFO Expansion
A
B
B
D
Figure 16. Bidirectional FIFO Mode
9
-D
N
72V81/72V82/72V83
FIFO A
FIFO B
7201A
72V81
72V82
72V83
72V84
72V85
EXPANSION
72V84/72V85
IDT
IDT
t
10
WEF
DEPTH
BLOCK
IDT
Q
D
D
Q
9
9
18
9
t
-D
-Q
A
-Q
-D
17
Q
17
D
17
N
FF
A 0-8
W
EF
HF
A 0-8
R
A
B
B
t
A
A
REF
DATA
3966 drw 18
t
72V81/72V82/72V83
RPE
D
COMMERCIAL TEMPERATURE RANGE
(N-8)
EXPANSION
72V84/72V85
DEPTH
BLOCK
OUT
-D
IDT
N
SIDE 2
VALID
Q
D
Q
(N-8)
(N-8)
(N-8)
-Q
-D
-Q
3966 drw 17
N
N
N
FEBRUARY 5, 2009
3966 drw 19