IDT7200L65SOB データシートの表示（PDF） - Integrated Device Technology
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IDT7200L65SOB Datasheet PDF : 13 Pages
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IDT7200/7201A/7202A CMOS ASYNCHRONOUS FIFO
256 x 9, 512 x 9 and 1,024 x 9
MILITARY, INDUSTRIAL AND COMMERCIAL TEMPERATURE RANGES
LAST READ
IGNORED
READ
FIRST WRITE
ADDITIONAL FIRST
WRITES
READ
W
R
EF
DATA OUT
t REF
tWEF
tA
VALID
VALID
Figure 5. Empty Flag From Last Read to First Write
2679 drw 07
RT
W,R
HF, EF, FF
t RTC
t RT
t RTS
t RTF
Figure 6. Retransmit
t RTR
FLAG VALID
2679 drw 08
W
t WEF
EF
t RPE
R
2679 drw 09
Figure 7. Minimum Timing for an Empty Flag Coincident Read Pulse
R
t RFF
FF
t WPF
W
Figure 8. Minimum Timing for an Full Flag Coincident Write Pulse
2679 drw 10
8
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