IDT72251 IDT [Integrated Device Technology], IDT72251 Datasheet - Page 13

• Manufacturer Part Number: IDT72251
• Description: CMOS SyncFIFOO 8192 X 9
• Manufacturer: IDT [Integrated Device Technology]

IDT72251 CMOS SyncFIFO
8192 x 9
NOTES:
1. PAF offset = m.
2. 8192 - m words in FIFO IDT72251.
3. t
4. If a write is performed on this rising edge of the write clock, there will be Full - (m-1) words in the FIFO when
(If Applicable)
edge of RCLK and the rising edge of WCLK is less than t
WEN2
SKEW2
REN1,
WCLK
RCLK
REN2
WEN1
PAF
is the minimum time between a rising RCLK edge and a rising WCLK edge for
t
CLKH
Full - (m+1) words in FIFO
t
t
ENS
ENS
t
CLKL
Figure 10. Programmable Full Flag Timing
t
t
ENH
ENH
SKEW2
, then
(1)
(4)
PAF
5.14
may not change state until the next WCLK rising edge.
t
PAF
PAF
to change during that clock cycle. If the time between the rising
Full - m words in FIFO
t
ENS
PAF
t
ENH
t
COMMERCIAL TEMPERATURE RANGES
SKEW2 (3)
goes LOW.
(2)
t
PAF
2655 drw 12
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