72221L25J IDT, 72221L25J Datasheet - Page 12

• Manufacturer Part Number: 72221L25J
• Description: FIFO
• Manufacturer: IDT

Specifications of 72221L25J

• Part # Aliases: IDT72221L25J

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D
Q
IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™
64 x 9, 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9
WCLK
WEN1
0
RCLK
REN1,
REN2
0
- D
- Q
LD
LD
7
7
DATA IN OUTPUT REGISTER
t
CLKH
t
CLKH
PAE OFFSET
(LSB)
t
CLK
t
CLK
t
t
ENS
t
ENS
ENS
t
ENS
t
t
DS
CLKL
t
CLKL
PAE OFFSET
t
t
ENH
A
t
t
Figure 12. Write Offset Registers Timing
Figure 13. Read Offset Registers Timing
ENH
DH
(MSB)
EMPTY OFFSET
(LSB)
12
PAF OFFSET
(LSB)
EMPTY OFFSET
(MSB)
PAF OFFSET
(MSB)
COMMERCIAL AND INDUSTRIAL
FULL OFFSET
TEMPERATURE RANGES
FULL OFFSET
(LSB)
OCTOBER 22, 2008
(MSB)
2655 drw 14
2655 drw15