39
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72V3640/50/60/70/80/90 3.3V HIGH DENSITY SUPERSYNC II
TM
36-BIT FIFO
1,024 x 36, 2,048 x 36, 4,096 x 36, 8,192 x 36, 16,384 x 36 and 32,768 x 36
Figure 27. Asynchronous Write, Asynchronous Read, Empty Flag Operation (IDT Standard Mode)
Figure 28. Asynchronous Write, Asynchronous Read, Full Flag Operation (IDT Standard Mode)
NOTES:
1. OE = LOW, WEN = LOW, and REN = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
NOTES:
1. OE = LOW, WEN = LOW, and REN = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
4667 drw32
Qn
Last Word in O/P Register
t
AA
W
0
t
CYH
WR
Dn
W
0
t
DH
t
AA
W
1
t
EFA
t
EFA
EF
t
CYL
W
1
t
DH
t
DS
RD
t
CYC
t
RPE
4667 drw33
t
CYH
WR
Dn
W
y
t
DH
t
FFA
FF
t
CYL
t
DS
W
y+1
t
DH
t
DS
RD
W
x
t
AA
W
x+1
W
x+2
Qn
t
FFA
t
CYC
t
CYH
t
CYL
t
CYC
t
AA
