IDT72V223 IDT [Integrated Device Technology], IDT72V223 Datasheet - Page 38

• Manufacturer Part Number: IDT72V223
• Description: 3.3 VOLT HIGH-DENSITY SUPERSYNC NARROW BUS FIFO
• Manufacturer: IDT [Integrated Device Technology]

NOTES:
1. OE = LOW, WEN = LOW, and REN = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
WR
NOTES:
1. OE = LOW, WEN = LOW, and REN = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
WR
RD
IDT72V223/233/243/253/263/273/283/293 3.3V HIGH DENSITY SUPERSYNC II
512 x 18, 1K x 9/18, 2K x 9/18, 4K x 9/18, 8K x 9/18, 16K x 9/18, 32K x 9/18, 64K x 9/18, 128K x 9
RD
Qn
FF
Dn
Qn
EF
Dn
W
0
Last Word in O/P Register
t
W
t
EFA
DH
Figure 27. Asynchronous Write, Asynchronous Read, Empty Flag Operation (IDT Standard Mode)
x
t
Figure 28. Asynchronous Write, Asynchronous Read, Full Flag Operation (IDT Standard Mode)
CYH
t
t
FFA
AA
t
CYH
t
CYC
t
CYC
t
RPE
t
CYL
t
CYL
W
t
x+1
DS
W
1
t
AA
t
AA
t
DH
t
DS
W
W
y
t
x+2
DH
t
W
CYH
38
0
TM
t
CYC
NARROW BUS FIFO
t
AA
t
CYL
t
DS
W
t
EFA
y+1
t
t
DH
FFA
W
1
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
4666 drw30
4666 drw31