參數(shù)資料
型號: IDT72V3640L39268BBGI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: FIFO
英文描述: 1K X 36 OTHER FIFO, 5 ns, PBGA144
封裝: 13 X 13 MM, 1 MM PITCH, GREEN, PLASTIC, BGA-144
文件頁數(shù): 30/46頁
文件大?。?/td> 453K
代理商: IDT72V3640L39268BBGI
36
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72V3640/50/60/70/80/90 3.3V HIGH DENSITY SUPERSYNC IITM 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
NOVEMBER 2, 2005
NOTES:
1. n =
PAE offset.
2. For IDT Standard Mode.
3. For FWFT Mode.
4.
PAE is asserted LOW on RCLK transition and reset to HIGH on WCLK transition.
5. Select this mode by setting PFM LOW during Master Reset.
NOTES:
1. In IDT Standard mode: D = maximum FIFO depth. D = 1,024 for the IDT72V3640, 2,048 for the IDT72V3650, 4,096 for the IDT72V3660, 8,192 for the IDT72V3670, 16,384 for the
IDT72V3680 and 32,768 for the IDT72V3690.
2. In FWFT mode: D = maximum FIFO depth. D = 1,025 for the IDT72V3640, 2,049 for the IDT72V3650, 4,097 for the IDT72V3660, 8,193 for the IDT72V3670, 16,385 for the IDT72V3680
and 32,769 for the IDT72V3690.
Figure 22. Half-Full Flag Timing (IDT Standard and FWFT Modes)
Figure 21. Asynchronous Programmable Almost-Empty Flag Timing (IDT Standard and FWFT Modes)
WCLK
tENS
tENH
WEN
HF
tENS
tHF
RCLK
tHF
REN
4667 drw27
tCLKL
tCLKH
D/2 words in FIFO(1),
[
+ 1
] words in FIFO(2)
D-1
2
D/2 + 1 words in FIFO
(1),
[
+ 2
] words in FIFO(2)
D/2 words in FIFO(1),
[
+ 1
] words in FIFO(2)
D-1
2
D-1
2
WCLK
tCLKH
tCLKL
tENS
tENH
WEN
PAE
tENS
tPAEA
n + 1 words in FIFO(2),
n+2wordsinFIFO(3)
n words in FIFO(2),
n + 1 words in FIFO(3)
RCLK
tPAEA
REN
4667 drw26
n words in FIFO(2),
n + 1 words in FIFO(3)
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