IDT7202 IDT [Integrated Device Technology], IDT7202 Datasheet - Page 8

• Manufacturer Part Number: IDT7202
• Description: CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9
• Manufacturer: IDT [Integrated Device Technology]

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