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IDT72021 Datasheet(PDF) 8 Page - Integrated Device Technology

Part # IDT72021
Description  CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9
PDF  14 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT72021 Datasheet(HTML) 8 Page - Integrated Device Technology

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5.09
8
MILITARY AND COMMERCIAL TEMPERATURE RANGES
IDT72021, IDT72031, IDT72041
CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9
Figure 4. Full Flag From Last Write to First Read
Figure 5. Empty Flag From Last Read to First Write
Figure 6. Retransmit
NOTE:
1. Assume
OE is asserted LOW.
LAST WRITE
R
IGNORED
WRITE
FIRST READ
ADDITIONAL
READS
FIRST
WRITE
W
FF
t WFF
tRFF
2677 drw 07
LAST READ
W
IGNORED
READ
FIRST WRITE
ADDITIONAL
WRITES
FIRST
READ
EF
R
t REF
tWEF
2677 drw 08
VALID
VALID
t A
DATA OUT
(1)
tRTC
tRT
RT
W,R
AEF, HF, EF, FF
t RTR
FLAG VALID
2677 drw 09



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