IDT7203/7204/7205/7206/7207/7208CMOSASYNCHRONOUSFIFO
2,048 x 9, 4,096 x 9, 8,192 x 9, 16,384 x 9, 32,768 x 9, 65,536 x 9
COMMERCIAL,INDUSTRIALANDMILITARY
TEMPERATURERANGES
Q(N-8)-Q
N
Q9-Q17
Q0-Q8
Q9-Q17
Q0-Q8
Q(N-8)-Q
N
IDT7203
IDT7204
IDT7205
IDT7206
IDT7207
IDT7208
DEPTH
IDT7203
IDT7204
IDT7205
IDT7206
IDT7207
IDT7208
DEPTH
IDT7203
IDT7204
IDT7205
IDT7206
IDT7207
IDT7208
DEPTH
R, W, RS
EXPANSION
BLOCK
EXPANSION
BLOCK
EXPANSION
BLOCK
D0-D8
D9-D17
D(N-8)-DN
D0-DN
2661 drw17
D9-DN
D18-D
N
D(N-8)-DN
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
IDT
R
EF
HF
B
W
A
7203
7204
B
IDT
7205
FF
A
7201A
B
7206
7207
7208
QB 0-8
DA 0-8
SYSTEM A
SYSTEM B
QA 0-8
DB 0-8
IDT
7203
7204
7205
7206
7207
7208
R
HF
EF
A
W
B
A
2661 drw18
FF
B
A
Figure 16. Bidirectional FIFO Operation
12
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
