7203L25J Datasheet, PDF (7/14 Pages) Integrated Device Technology – CMOS ASYNCHRONOUS FIFO 2,048 x 9, 4,096 x 9 8,192 x 9, 16,384 x 9

IDT7203/7204/7205/7206/7207/7208 CMOS ASYNCHRONOUS FIFO
2,048 x 9, 4,096 x 9, 8,192 x 9, 16,384 x 9, 32,768 x 9 and 65,536 x 9
RS
W
R
EF
HF, FF
NOTE:
1. W and R = VIH around the rising edge of RS.
tRSC
tRS
tRSS
tRSS
tEFL
tHFH, tFFH
Figure 2. Reset
COMMERCIAL, INDUSTRIAL AND MILITARY
TEMPERATURE RANGES
tRSR
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R
Q0-Q8
W
D0-D8
tRC
tA
tRPW
tRR
tA
tRLZ
tDV
DATA OUT VALID
tWC
tWPW
tWR
tRHZ
DATA OUT VALID
tDS
tDH
DATA IN VALID
DATA IN VALID
Figure 3. Asynchronous Write and Read Operation
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LAST WRITE
IGNORED
WRITE
FIRST READ
R
W
tWFF
FF
tRFF
Figure 4. Full Flag Timing From Last Write to First Read
7
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