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IDT7280 Datasheet(PDF) 5 Page - Integrated Device Technology

Part No. IDT7280
Description  CMOS DUAL ASYNCHRONOUS FIFO DUAL 256 x 9, DUAL 512 x 9, DUAL 1024 x 9
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT7280 Datasheet(HTML) 5 Page - Integrated Device Technology

 
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5
COMMERCIALTEMPERATURERANGE
IDT7280/7281/7282/7283/7284/7285 5V ASYNCHRONOUS FIFO
DUAL 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9
Figure 4. Full Flag From Last Write to First Read
NOTES:
1.
EF, FF, HF may change status during Reset, but flags will be valid at tRSC.
2.
W and R = VIH around the rising edge of RS.
Figure 2. Reset
Figure 3. Asynchronous Write and Read Operation
W
RS
R
EF
HF, FF
tRSC
tRS
tRSS
tRSS
tRSR
tEFL
tHFH , tFFH
3208 drw 04
t A
R
t RC
DATA OUT VALID
DATA OUT VALID
t RPW
t RLZ
t DV
t A
t RHZ
tRR
t WC
t WR
t WPW
DATA IN VALID
DATA IN VALID
t DS
t DH
Q0-Q8
3208 drw 05
W
D0-D8
LAST WRITE
R
IGNORED
WRITE
FIRST READ
ADDITIONAL
READS
FIRST
WRITE
W
FF
tWFF
tRFF
3208 drw 06


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